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Prev Professional Automotive Repair Technical Discussions for October 7, 2014
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Open Help Requests for GM
Help Request Answers
2007 Cadillac DTS 4.6L Oil Pan VIN: 1G6KD57Y17
Engine oil pan needs to be replaced, My Question is for those with experience on this repair: do I remove the engine or the transmission? Either looks to be a pain in the ass. Which process makes more sense? Thanks in advance for your advice!
1998 Chevrolet Metro 1.0L MIL Lamp on, o2s2 VIN: 2C1MR2266W
We have been trying to squeese this through emissions test and drove it over 200 miles with "Cata Clean" in the tank. It would not get ready and the rear o2 is following the front. Customer is a working mom with no money. Finally it threw the p0420 again. I ge... Trouble codes: P0420
1999 Chevrolet S10 4.3L Hesitation, Surge, Misfire, MIL Lamp on
Truck came in with p0171 p0174 p0300 p0305 check injectors ok check compression 150 all check leak down test install new injectors new spark plug, wires, distributor rotor distributor cap, notice voltage at number 5 was 30kv the rest ok fuel filter was plugged... Trouble codes: P0300 (p0304-), P0304 (p0305-), P0305
2000 Chevrolet Express 2500 5.7L No Start, Stall VIN: 1GCGG25R1Y
Hi , every one this van has been siting for a while , we installed a reman. Engine , ignition switch was changed before engine go out on it.but now it starts and die . Security light stay on and code p1626 registered , i don`t think engine r&r should cause any... Trouble codes: P1626 (Security problem)
2005 Chevrolet Silverado 2500 HD 6.0L Starting VIN: 1GCHK29U05
Customer stated that truck died while driving and wouln't start. No Crank and instrument cluster lights and running lights stay on with the key out of the ignition. I found the battery flat dead. Installed a known good battery and symptoms are still there. It ...
2006 Chevrolet Trailblazer SS 6.0L No Start, Cuts out VIN: 1GNES13H66
Ok i have a doozie here. Vehicle runs great for about 30 minutes and then just all of a sudden dies out. Sometimes it just takes about 30 minutes or so to start back up but yesterday afternoon it took over a hour due to it being hot outside. I replaced the cra... Trouble codes: P0689, P0175, P0172, P1682, P2101, P0443
2007 Chevrolet Tahoe LS 5.3L Starts and Stalls, after fueling VIN: 1GNEC03067
Vehicle Starts, runs, and drives Normally, the only isuue is that after turning the vehicle off to fill with fuel it either starts and stalls, or cranks but wont start, no codes present, according to the driver at the last event 15 attempts to start vehicle we...
2007 Chevrolet Cobalt SS 2.0L Clutch VIN: 1G1AP18P97
Customer experiences hard shift effort and weak clutch pedal (intermittently). When customer first brought in car, inspected clutch hydraulic system -no leaks detected. Bled clutch hydraulic system and returned vehicle to customer. Approximately one week l...
2007 Chevrolet Avalanche LT 5.3L Excessive Emissions VIN: 3GNEC12J17
avalanche came in for check engine light and traction control light and Stabilitrak light on short term fuel trim is 0-6long term fuel trims on both banks are max. a24 I replaced fuel pump I replace mass air flow downstream o2 sensors smoked engine for vacuum ... Trouble codes: P0171, P0174
2008 GMC Acadia SLE 3.6L Unknown VIN: 1GKER13738
got this Acadia in that boss recharged about a week ago.Front pannal discharge in middle duck wont go below 60f rear will go down to around 45f too outside vents near doors blow warm.evacd system pulld vaccume recharged with 2.32lbs of refrig r134a,still same ...
1992 Oldsmobile Cutlass Ciera 3.3L No Start VIN: 1G3AM51N7N
Vehicle came in for a no start. Was flooded bad and found bad wires and worn spark plugs. Replaced plugs and wires and got vehicle to run. Vehicle was running good when given back to customer. Two days later the vehicle got towed back with a no start. Now The ...

Fixes & Summaries for GM
Fix/Summary Answers
1987 Chevrolet R10 Suburban Custom Deluxe 5.7L engine VIN: 1GNER16K9H
thanks for all the info found broken magnets in the dist replaced it with a new one and it is running good hope I can help you with some of your problems in the futher thanks again Bill
2000 Chevrolet Blazer LS 4.3L Hesitation, Misfire VIN: 1GNCT18W7Y
Alrighty. Here goes vehicle had bad inj timing as I stated was fixed with a complete distributer. Had tried just replacing worn gear but did not fix problem.Injection timing went from -11 to now reading -1.Then after repeated fuel pressure checks and inj leak ...
2006 Chevrolet HHR LT 2.4L steering VIN: 3GNDA23P56
Thanks for all the help on this one. U did go over most of the suggestions I received here on this site. I checked a lot of things on this car that were fine. I finally ended up setting the left camber to max neg (-1.7) and the right to max positive (-.2) Th...
2000 GMC Sierra 1500 SL 4.8L backup lights VIN: 1GTEK14V5Y
I got plenty of good infoe but customer chose not to want to repair .thanks for help
2002 GMC Sonoma SL 2.2L timing chain tensioner VIN: 1GTCS19532
Customer admitted that he had not change the oil in this truck since last year when I redid the timing chain tensioner. This time we remove the oil pan from the truck to clean out all the debris, along with installing a new chain oiling plug (we did not inst...
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