2005 Cadillac Sts V8 Problems

2005 Cadillac Sts V8 ProblemsIts real-world fuel economy of 14. Top 5 Problems Cadillac STS Sedan 1st Generation 2005-11 1A Auto: Repair Tips & Secrets Only Mechanics Know 2. The aim of this study was to screen and quantify 23 pharmaceutical compounds (including illicit drugs), at two sampling points near the diffusers of the Guarujá submarine outfall, State of São Paulo, Brazil. Problems / Cadillac / STS / 2005; 2005. Currently, it has almost 80,000 miles. I replaced the valve cover and spark plug port gaskets, spark plugs, coils and did an oil and filter change. Mileage 101,244 miles below avg. Instead, check your dashboard’s coolant indicator. Aug 11, 2005 · As good as it is, at 4,230 pounds, the 2005 Cadillac STS is too muscle-bound for life in a world of $50 fill-ups. 2005 Cadillac STS review: 2005 Cadillac STS. I just recently purchased a 2005 STS with a V8 (car has 95k). SLG, 09/23/2015. Common Cadillac STS Problems. 2005 Cadillac Sts Throttle Problem. 2005 Cadillac STS Rwd 4dr Sedan (4. The GPS, Bose Stereo, power features, suspension, and all the restmake for a great driving. Does 2005 northstar engine have problems like earlier years oil leak, coolent, head gaskets. Inspect the transmission connector terminal connections. But it was the most expensive car in their lineup. 2005 Cadillac STS Power Loss: I Am Having Problems with My. My wife and I picked up a 2005 Cadillac V8 this weekend, and it has several problems. 2005 Cadillac STS Review & Ratings. They have changed the modern N. 2005 2005 Cadillac STS Problems Find the most common issues based on car owner complaints Top 2005 Cadillac STS Problems The Check Engine Light With Code: P0011, P0014, P0021, P0024, P0341, P0346, P0336, and/or P0391 42 people have reported this 14 Failure of Front Turn Signal and DRL Bulbs 41 people have reported this 16. 2005 CADILLAC STS. 4L Supercharged Northstar V8 engine and GM’s new Hydra-matic six-speed automatic transmission. 7 85 reviews Write a review See all. The contact owns a 2005 Cadillac Sts. Audi and BMW have always been more sports oriented than Cadillac STS. 6L V8 Drivetrain: RWD Price. EVAP Codes for a Bad Gas Cap Symptoms of a Bad Gas Cap. Worst 2005 Cadillac STS Problems #1: Timing Chains Stretch 2005 STS Average Cost to Fix: $2,400 Average Mileage: 81,000 mi. Subject: Multiple Electrical System Malfunctions, Engine Will Not Start, Engine Will Not Shutdown, IP Gauges/Lighting Inoperative, Radio Inoperative, HVAC Display Erratic, Loss of Rear Door Functions (Inspect Both Rear Door Harnesses and Repair, if Necessary) Models: 2005 Cadillac STS. Aug 1, 2017 · STS. I am having problems with my STS. 2 V8, the LH2 is a modified Northstar meant for rear. 6L V8 RWD AUTOMATIC 102,000 MILES I am having problems with my STS. Learn more about the 2005 Cadillac STS. · 2005 STS-V8 Catalytic Converter Problems 2005 STS-V8 Catalytic Converter Problems. 7 142 reviews Write a review See all STSs for sale View Photos & Videos List Price. engine failure engine defect noisy engine engine knock intake manifold gasket leaking coolant oil sludge whining noise stalls while driving engine complaint electrical issue heater complaint. (The new V6 has had more reports of excessive oil consumption than the V8's. Worst 2008 Cadillac STS Problems #1: Rattling Noise From Engine 2008 STS Average Cost to Fix: N/A Average Mileage: 54,000 mi. I need help or insight on what else it could be. Following the CEL codes, I have installed new plugs, a new Camshaft position sensor on bank 2, a new fuel injector for cylinder 6 and all of this to no avail. My 2005 STS Northstar V8, my first new Cadillac, was a great car, drove it 49000 troublefree miles during eight years. 12 Complaints: 2005 Cadillac STS Engine Problems. Honestidade, simplicidade e um bom atendimento é o nosso objetivo sempre. If the fuel pump relay fails on a Northstar V8, the engine should still run because the fuel pump also can be energized through the oil pressure-sending unit. The STS V-8 danced as well as all of the pricey exotics, and in the case of the elegant but stiff-bordering-on-stuffy $243,000 Bentley Arnage, it danced a heck of a lot better. Loose gas cap Gas cap doesn't ratchet Gas cap gasket is broken, torn, or missing pieces Causes of a Bad Gas Cap The gas cap not ratcheting and securing, and the gas cap gasket breaking are usually the cause for a faulty gas cap triggering the check engine light for an EVAP code on the 2005 to 2011 Cadillac STS. It may be adequate, but only the CTS-V holds any attraction to me. I don't like V6's; the sound, DI doesn't improve torque much, the vibration, V8's are much smoother running and pull better because of their better torque. 2005 Cadillac STS Problems, Defects & Complaints. To help prevent this the Brake fluid should be flushed at the very least every 60,000 miles. 31 for each sensor, there are two sensors, and $97. Check out our Cadillac STS overview to see the most problematic years, worst problems and most recently reported complaints with the STS. Jan 19, 2010 #15 A good friend has a 2005 STS. There were a few minor mechanical problems when new. I tried the manu-matic for a couple of laps, but found that the PAL kept it in the right gear most of the time. Worst 2006 Cadillac STS Problems #1: A/C. 2005 northstar engine have problems like earlier years ">Does 2005 northstar engine have problems like earlier years. Some of the most common problems with the Cadillac Northstar include: Blown Head Gasket Rear Main Seal Oil Leaks Valve Cover Oil Leaks Excessive Oil Consumption Carbon Buildup Water Pump Failure Despite its 18-year running history, the Northstar engine is susceptible to a lot of problems. I learned elsewhere in Cadillac forums that in that era N, there was an intentional cross-hatching that was actually a design choice by GM engineers. 2005 Cadillac STS V8 specifications, technical data, …. Detailed specs and features for the Used 2005 Cadillac STS V8 including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and more. 2005 Cadillac STS Values & Cars for Sale. The EVAP canister vent valve or valve solenoid wiring may fail causing illumination of the check engine light , setting code P0446 , and problems filling the tank with fuel. Does 2005 northstar engine have problems like earlier years …. Does 2005 northstar engine have problems like earlier years oil leak, coolent, head gaskets. It's powered courtesy of a naturally aspirated engine of 4. The official power ratings for the 2006 STS are 469 hp at 6,400 rpm and 439 lbs. 2005 Cadillac STS Specs, Price, MPG & Reviews. 6 4dr Sedan $ 7,200 $ 125 /mo* 75,209 miles Engine: 4. Disconnect the connector and carefully tug on each wire to ensure the pins are fully seated. 4 door sedan/ saloon FR 6A 2792 cm 3 /170. Top 5 Problems Cadillac STS Sedan 1st Generation 2005. and up the accel pedal must be pushed 1/2 to 3/4 to the floor just to get any downshift out of 5th gear. The STS V-8 danced as well as all of the pricey exotics, and in the case of the elegant but stiff-bordering-on-stuffy $243,000 Bentley Arnage, it danced a heck of a lot better. · 2005 STS-V8 Catalytic Converter Problems 2005 STS-V8 Catalytic Converter Problems. STS Forum - 2005-2012. The gaskets are difficult to replace. V6, V8 and supercharged V8 powerplants were offered, along with a host of state-of-the-art (at the time) features. Problems 2005 Cadillac STS V8: Door Locks, Drivers">Problems 2005 Cadillac STS V8: Door Locks, Drivers. Top 5 Problems Cadillac STS Sedan 1st Generation 2005-11 1A Auto: Repair Tips & Secrets Only Mechanics Know 89K views 2 years ago 3:33 ECM replacement: Cadillac CTS Pre Morgan 53K views 4. Problems 2005 Cadillac STS V8: Door Locks, Drivers. The belt broke, and took the ac compressor out with it. 6L; V8; AUTOMATIC; 220,000 MILES; Hi, I just need to know the location of the crankshaft position sensor for the car listed above. · Particularly at higher altitudes. View all 142 consumer vehicle reviews for the Used 2005 Cadillac STS on Edmunds, or submit your own review of the 2005 STS. Cadillac STS models. The well-calibrated suspension and steering provide agility and a supple, controlled ride, which. Sold it to a mid-twenties male relative who thrashed it pretty hard, within a year it was losing a lot of coolant into the oil, plus other failures. See exactly where the battery is located in your 2005 Cadillac STS. Go with CTS if you want sporty. Consumer Reviews Used 2005 Cadillac STS Rwd 4dr Sedan (4. Sounds like something is clogged through the passage to coming out. Auto Peças V8 do Guarujá, Guarujá, Brazil. Steers perfectly, which kept me out of trouble one recent time. 2K 95K views 2 years ago Top Problems with Your. My wife and I picked up a 2005 Cadillac V8 this weekend, and it has several problems. Does 2005 northstar engine have problems like earlier years oil leak, coolent, head gaskets. My 2005 STS Norstar V-8 since it was new. There were a few minor mechanical problems when new, all covered under warranty, but over the last several. Based on member's reports, the power steering pump has a design weakness, too. It also didn't help that I have a bias for smaller engines as I enjoy sharper engine tones , but for the 65 HP difference, I am sure gonna look seriously at the STS V8. My 2005 STS Norstar V-8 since it was new. 2005 Cadillac STS Power Loss: I Am Having Problems with My ">2005 Cadillac STS Power Loss: I Am Having Problems with My. SOLVED: I just bought a 2005 Cadillac STS 4. Cadillac STS Problems and Complaints. This issue will need the owner to replace the seals and gaskets which consumes a lot of time. By MAC November 26, 2010 in Cadillac CT5, CTS, STS 2005+, 04-09 As the owner of a 2004-2005 model year Cadillac SRX or a 2005 model year Cadillac STS vehicle, equipped with a 4. Top 5 Issues with the 1st Gen Cadillac STS (2005 to 2011) 1. The computer developed some kind of fault where it doesn't recognize the tire pressure, so the light has been on for 70,000 miles. Does 2005 northstar engine have problems like earlier years. A problem with the Crankshaft Position Sensors can cause the vehicle to not start. I only recall one post of a HG issue on this forum. Subject: Multiple Electrical System Malfunctions, Engine Will Not Start, Engine Will Not Shutdown, IP Gauges/Lighting Inoperative, Radio Inoperative, HVAC Display Erratic, Loss of Rear Door Functions (Inspect Both Rear Door Harnesses and Repair, if Necessary) Models: 2005 Cadillac STS. The cost to repair the Crankshaft Position Sensors is $55. · 2005 Cadillac STS may experience a dead battery or a concern of the engine continuing to run after the ignition is shut off. My 2005 STS Northstar V8, my first new Cadillac, was a great car, drove it 49000 troublefree miles during eight years. Cadillac STS V8, 2005 MY US STS Cadillac STS V8 Image courtesy of Cadillac This vehicle has a 4 door saloon (sedan) body style with a front located engine driving through the rear wheels. STS Starting Problem. 22 hours ago · The 2005-2009 Cadillac STS may have issues with the EVAP system, a part of your emission control system. Aug 1, 2004 · Damn, this STS unwinds a chunk of California's coastline like no Cadillac ever has, and that's in the cushy-riding model without the 1SG package that I drove on the. Worst 2005 Cadillac STS Problems #1: Timing Chains Stretch 2005 STS Average Cost to Fix: $2,400 Average Mileage: 81,000 mi #2: AC Unit Will Not Hold Charge 2005 STS Average Cost to Fix:. I have a '97 Cadillac STS with NorthStar V8. 4 door sedan/ saloon FR 6M 2792 cm 3 /170. Problem with your 2005 Cadillac STS? Our list of 9 known complaints reported by owners can help you fix your 2005 Cadillac STS. Our tested V6-powered Cadillac STS was very quick and responsive. Two crankshaft position sensors are used (A and B). 2006 Cadillac STS Reliability. mostly heard about oil - Answered by a verified Cadillac Mechanic Hello. ) The STS V-8 danced. Occasional problems on this vehicle are the failure of the Crankshaft Position Sensors and the Fuel Pressure Regulator. 2005 CADILLAC STS. 2005; Print report. Top Cadillac STS Problems The Check Engine Light With Code: P0011, P0014, P0021, P0024, P0341, P0346, P0336, and/or P0391 42 people have reported this 14 Failure of Front Turn Signal and DRL Bulbs 41 people have reported this 16 Check Engine Light Due to Loose or Worn Gas Cap 24 people have reported this 5 Steering Wheel Position Sensor May Fail. · The problem with gas milage is in the real world you would still get better with the V6, more so then the EPA numbers may say. Temporal and spatial variation of benthic. I just recently purchased a 2005 STS with a V8 (car has 95k). Repair the connections as necessary. The air coming out was cold but nothing was really coming out the dashboard vents. There were a few minor mechanical problems when new, all. 3 (40 reviews) 82% of drivers recommend this car Rating breakdown (out of 5): Comfort 4. com">2005 Cadillac STS Consumer Reviews. If the fuel pump relay fails on a Northstar V8, the engine should still run because the fuel pump also can be energized through the oil pressure-sending unit. 2005 Cadillac STS Sedan Review. 21756 Views 23 Replies 15 Participants Last post by Submariner409, May 1, 2021. · Her old 1998 STS N* used about a quart every 2,500 miles. I was starting the car and encountered at very hard brake pedal that would not depress enough to engage the switch to allow the engine to start. Also, the car has the typical "front doors don't unlock with the key fob" problem. 2005 Cadillac STS consumer reviews $40,525 starting MSRP Photo not available 4. The DIC was indicating 92% but the oil was very dark, probably due to the misfires. 2 Contamination of extended life coolant 10 people have reported this 2 Flush brake fluid every 60,000 miles 8 people have reported this 0 Replace spark plugs every 100,000 miles, no plug wires 7 people have reported this 0 Check Engine Light and Trouble Filling Gas Tank 7 people have reported this 1 Get Your Car Fixed. The different anthropic activities developed in urban areas around the world have been responsible for the intense removal of green areas (greater pavement and waterproofing of terrestrial routes) (Yang et al. · There are three pieces used in the stability system that require replacement when the stability system becomes inoperative and you've troubleshot it correctly. 2005 CADILLAC STS 4. 2005 Cadillac STS Rwd 4dr Sedan (4. You may need to remove the air filter housing, a plastic engine cover or parts of the cowl to find the battery in your STS. 50 for labor to replace both sensors. 1) First you perform an ABS system. Northstar old problems fixed?. I had an ignition coil die at 90k, then again (same cylinder) at 148k. 2006 Cadillac STS Service Stability SYS & Break Assist problem">2006 Cadillac STS Service Stability SYS & Break Assist problem. 6L 8cyl 5A)">Used 2005 Cadillac STS Rwd 4dr Sedan (4. My 2005 STS Norstar V-8 since it was new. A failure of either component can cause the vehicle to stall. The cost to replace the Fuel Pressure Regulator is $42. SOLVED: I just bought a 2005 Cadillac STS 4. No response from the start button at all. Jun 11, 2010 · However, in 2005, Cadillac engineers gave their Northstar a boost when they introduced a new 4. A lot of us enjoy the full power band of the 2005-2010 N* STS. Anyone with a 2005 STS with a V8 engine should be aware, if you haven't already received notice from GM, that the catalytic converters are prematurely breaking down and that GM will replace them free of charge. It also didn't help that I have a bias for smaller engines as I enjoy sharper engine tones , but for the 65 HP difference, I am sure gonna look seriously at the STS V8. Feb 19, 2023 · 2006-2011 Cadillac DTS; 2004-2005 Pontiac Bonneville; 2006-2007 Buick Lucerne; LH2: 4. Head gasket leaks can be difficult to identify in the Northstar engine. There were a few minor mechanical problems when new, all covered under warranty, but over the last several years. Failure of brake components can be caused by contaminated brake fluid. com">2005 Cadillac STS Specs, Price, MPG & Reviews. Samples were collected in triplicate during the high (January 2018) and low (April 2018) seasons at two different water column depths (surface and bottom). Top 5 Problems Cadillac STS Sedan 1st Generation 2005-11 1A Auto: Repair Tips & Secrets Only Mechanics Know 2. Please follow this diagnostic or repair process thoroughly and complete each step. Cadillac slapped a supercharger making 12 pounds of boost on top of the Northstar V8 — a slightly smaller Northstar, in fact. Used 2005 Cadillac STS Consumer Reviews More about the 2005 STS 5 (74%) 4 (20%) 3 (5%) 2 (1%) 1 (0%) 4. Check engine light for an evaporative emission control system (EVAP) code; Loose gas cap; Gas cap doesn’t ratchet; Gas cap gasket is broken, torn, or missing pieces; Causes of a Bad Gas Cap. Find the most common issues. I have been daily driving my 2008 STS since late 2011. mostly heard about oil Ask an Expert Car Questions Cadillac Repair Pete, Cadillac Technician 44,861 Satisfied Customers 17 years Cadillac experience as a technician. 2009 Cadillac STS V6. engine failure engine defect noisy engine engine knock intake manifold gasket leaking coolant oil sludge whining noise stalls while driving engine complaint electrical issue heater complaint. 2005 Cadillac STS Check Engine Light and Trouble Filling Gas Tank. 6L V8 Days Listed 46 Price $66 above avg. I have - Fixya Home Forum Cars & Trucks Cadillac I just bought a 2005 Share on Facebook Share on Twitter Share on Pinterest Share by Email Question about Cadillac Cars & Trucks 1 Answer Posted by ginger_edson on Mar 03, 2013 Answer David Kassin 600 Answers Posted on Mar 05, 2013. Video Walkarounds Driveway Delivery Johnny's Motors Inc Santa Ana, CA Get a Free Vehicle History Report 2005 Cadillac STS 4. The steering wheel position sensor is located at the base of the steering. Occurrence and risk assessment of pharmaceuticals and. 21 people have reported this 7 Rear Axle Pinion Seal May Leak 12 people have reported this 2 Contamination of extended life coolant 10 people have reported this 2 Flush brake fluid every 60,000 miles 8 people have reported this 0 Replace spark plugs every 100,000 miles, no plug wires 7 people have reported this 0. · Cadillac Vehicle Discussion. There were a few minor mechanical problems when new, all covered under warranty, but over the last several years the repairs have been minimal, or just routine maintenance. Used 2005 Cadillac STS V8 Specs & Features. 2005 CADILLAC STS; 4. NO accidents, no damage, no problems. , 2011), which consequently has led to an increase in the volume and intensity of diffuse pollution flowing into different receptor bodies (Angrill et al. My 2005 STS Norstar V-8 since it was new. It is too late to change my mind and take it back so I am stuck with diagnosing and, hopefully, finding the problem. 2005 Overview May 8: General Motors Transmission Class Action Lawsuit Certified 2005 Cadillac STS Problems & Complaints Worst 2005 Cadillac STS Problems by Category Find something. 6L 8cyl 5A) My 2005 STS Norstar V-8 since it was new. I guess it was blowing past the rings and polluted the oil. I replaced the valve cover and spark plug port gaskets, spark plugs, coils and did an oil and filter change. 2005 STS electrical problem NO START. lighter than an AWD STS. A two-millimeter bore reduction (from 93 to 91 millimeters) dropped. If chafing is found, repair wiring and reroute the harness. Not sure why I didn't notice it when I test drove it before purchasing it but I am hearing knocking that I am unsure about. 2005 Cadillac STS Flush brake fluid every 60,000 miles. 61K views 7 years ago 2006 Cadillac STS -Service Stability SYS -Service Break Assist It’s cable reimagined No DVR space limits. The LD8 also burns a significant quantity of oil. 2005 CADILLAC STS 4. Dealer’s invoice price on the base model is $43,025. just bought a 2005 Cadillac STS 4. T What I find interesting that this thread has 113 views but not one report of. 1 day ago · Introduced for 2005, the Cadillac STS was not the brand’s flagship model. The contact merged the vehicle to side of. The contact stated while driving 30 mph, the engine lost power as the engine light illuminated. In the questionnaire, we ask subscribers to note any problems with their cars that occurred in the past 12 months. Occasional problems on this vehicle are the failure of the Crankshaft Position Sensors and the Fuel Pressure Regulator. Anyone with a 2005 STS with a V8 engine should be aware, if you haven't already received notice from GM, that the catalytic converters are prematurely breaking down and that GM will replace them free of charge. The battery location in a Cadillac STS can typically be found in the engine bay, but may be in the trunk, fender or inside of the vehicle. 6L 8cyl 5A) My 2005 STS Norstar V-8 since it was new. Procurando por Cadillac Usados e Seminovos em Santos/SP? Na Webmotors você encontra mais de 1 anúncios de carros com as melhores ofertas do mercado. NO accidents, no damage, no problems. 2009 Cadillac STS 2. 2005 Cadillac STS Engine Problems">12 Complaints: 2005 Cadillac STS Engine Problems. Consumer Reviews Used 2005 Cadillac STS Rwd 4dr Sedan (4. Our list of 16 known complaints reported by owners can help you fix your Cadillac STS. The usual symptoms of head gasket failure, such as the radiator constantly needing to be topped up with water, or plumes of smoke coming from the exhaust, are not always apparent. The A/C turned on but did not blow out barely any cold air. 1 day ago · 2005 Cadillac STS V8 added 2005-07-01. A side load on the wires may cause a false positive lock. The gaskets are difficult to replace. 6L engine, your satisfaction with our product is very important to us. 2005 Cadillac STS $ 7,999 $ 139 /mo* 40,230 miles Engine: 4. (Base price on the tested Cadillac STS V-8 is $47,025. · A problem with the Crankshaft Position Sensors can cause the vehicle to not start. Open up the sunroof and turn off the A/C I then finish my cig and hit auto. May 8, 2023 · Cadillac STS (2005–2007) STS Produktionszeitraum: 2004–2011 Klasse: Oberklasse: Karosserieversionen: Der Cadillac STS ist ein Fahrzeug der Oberklasse, Als Motorisierungen dienten für den STS zunächst ein 4,6-l-Northstar-V8-Motor, der es auf eine maximale Leistung von 239 kW (325 PS) brachte und ein 3,6 l großer V6-Motor mit. A four-coil distributorless ignition with a waste spark set up provides spark to the plugs. Open up the sunroof and turn off the A/C I then finish my cig and hit auto. Top 5 Issues with the 1st Gen Cadillac STS (2005 to 2011) 1. Crankshaft Position Sensor Location?: Hi, I Just …. In the questionnaire, we ask subscribers to note any problems with their cars that occurred in the past 12 months. Problems / Cadillac / STS; Cadillac STS Problems. Apr 28, 2022 · Causes of Steering Wheel Position Sensor Problems on the 2005 to 2011 Cadillac STS. this is just my opinion, but if the head gasket issue had not been resolved, we would hear about it!. Top Cadillac STS Problems The Check Engine Light With Code: P0011, P0014, P0021, P0024, P0341, P0346, P0336, and/or P0391 42 people have reported this 14 Failure of Front Turn Signal and DRL Bulbs 41 people have reported this 16 Check Engine Light Due to Loose or Worn Gas Cap 24 people have reported this 5 Steering Wheel Position Sensor May Fail. Where the two systems cross (ABS and Stability Control) is in step #1 and step #6, those being WSS and the electronic brake control module (EBCM). Inspect the engine wiring harness for chafing against the heater hose clamp at the bulkhead near the right cylinder head. Worst 2005 Cadillac STS Problems #1: Timing Chains Stretch 2005 STS Average Cost to Fix: $2,400 Average Mileage: 81,000 mi #2: AC Unit Will Not Hold Charge 2005 STS Average Cost to Fix:. Used 2008 STS potential problems ?. When I Push Start Button Nothing?">Engine Will Not Crank Over When I Push Start Button Nothing?. Get 2005 Cadillac STS values, consumer reviews, safety ratings, and find cars for sale near you. 2005 Cadillac STS Common Problems, Issues, Recalls, and Reliability. It does consume some oil, like a quart in between oil changes. The 2005-2009 Cadillac STS may have issues with the EVAP system, a part of your emission control system. 6L 8cyl 5A) Consumer Reviews More about the 2005 STS 5 (76%) 4 (18%) 3 (5%) 2 (1%) 1 (0%) 4. The PAL really works in these conditions as it senses agressive driving and holds the transmission in gear at about 5000 rpm even while letting off the gas, so no time is lost downshifting when you get back on it. 2005 Cadillac STS Common Problems, Issues, Recalls, and. The car: Cadillac Seville sts year 1994 chassinr. Inspect the transmission connector terminal connections. But bigger prices do not guarantee better talent. On the drive home, the car threw a ton of codes. 2008 – 2009 Cadillac STS Problem. The EVAP canister vent valve or valve solenoid wiring. To correct the issue, the EVAP canister vent valve. They are asked to identify problems that they considered serious (because of. I replaced the passenger side motor mount due to vibration issues. If the check engine light is on take it to a Cadillac dealership for diagnosis. 1G6KY5294RU819838(Northstar) Problem: Oil comes into coolant water. Cadillac slapped a supercharger making 12 pounds of boost on top of the Northstar V8 — a slightly smaller Northstar, in fact. The battery location in a Cadillac STS can typically be found in the engine bay, but may be in the trunk, fender or inside of the vehicle. 2005 STS v8 in 2016; So Much Car for so Little (SLS and STS)for. 05STSWOW said: Similar problem This occurred once or twice. By MAC November 26, 2010 in Cadillac CT5, CTS, STS 2005+, 04-09 As. Pete is online now Continue Related Cadillac Questions. If you notice a drop in oil pressure, just remove the oil pump and clear away the debris. The feet blow out fine as well as the defrost.