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Prev Professional Automotive Repair Technical Discussions for March 6, 2019
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Open Help Requests for GM
Help Request Answers
2009 Chevrolet Silverado 1500 LT 5.3L brakes VIN: 1GCEK29089
Good evening, I have a 4x4 Silverado that came in with the low fluid warning light in display. We found leaking rear wheel cylinders and fluid leaking from master cylinder into booster. We replaced Master cylinder, booster, rear wheel cylinders and rear br...
2006 GMC Envoy XL SLE 4.2L Steering VIN: 1GKET16S46
Vehicle has hard steering at idle and if you rev up it steers great but as soon as you hit idle its hard to steer again
2015 GMC Sierra 1500 SLE 5.3L Poor Idle Quality, Hesitation, Surge, Cuts out, Misfire VIN: 3GTU2UEC6F
This is a fleet truck that came in after the cel came on for missfire p0300 and mixture imbalance p219b . After alot of testing and reading we decided to replace the injectors and clean the intake ports they were very dirty. after the repair the vehicle ra... Trouble codes: P219B

Fixes & Summaries for GM
Fix/Summary Answers
2003 Cadillac Escalade 6.0L Engine Oil Cooler Hose VIN: 1GYEK63N83
First, I want to thank everyone who answered my post. I especially want to thank Bradley, as he was the only one who responded before I did the job. I also want to thank Dan for providing the web link to the video. It appears that this job varies somewhat depe...
1990 Chevrolet Corvette 5.7L Lighting VIN: 1G1YY2387L
so after 40 plus hours of everyone in the shop working on this car. taking the dash and trim panels apart and tracing wires , checking body modules and such , it was given to me fifteen minutes latter the courtesy light relay is just below...
2003 Chevrolet Silverado 2500 6.0L Compression VIN: 1GCHC29U23
I have done just about everything that was suggested by you all except the wet compression test. After doing so all cylinder bumped up about 30 psi each except cylinder #6, it stayed the same at 120psi. It all came out to the engine having low compression and...
2012 Chevrolet Malibu LT 2.4L No Start, Stall, Misfire VIN: 1G1ZC5E05C
Sorry for the long awaited reply. After posting I realized I need to look at the Underwood fuse box so I took it apart, cleaned all connections. Even though I did not see anything obvious to me cleaning it solved the issue. You guys had hit it on the head, tha... Trouble codes: P0201 (Injector circuit), P0202 (Injector circuit), P0203 (Injector circuit), P0204 (Injector circuit).
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