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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for November 7, 2011
International Automotive Technicians' Network (iATN) - Members Only
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Open Help Requests for GM
Help Request Answers
1999 Chevrolet Malibu 3.1L Hesitation, Cuts out, Stall VIN: 1G1ND52M1X
This vehicle only acts up for a few minutes after engine cools.When Scanner data says cam signal not present,it will buck when driving and stall when you come to a stop. Then scanner will say cam signal present and it will act normal,until the next time engine... Trouble codes: P0341
2001 Chevrolet Corvette 5.7L Wheels VIN: 1G1YY22G21
All opinions, past experiences, and advice welcome on this one guys and gals. I have a customer that has installed quite oversized wheels on the vehicle. I can't remember the exact size but they are wheels meant for a truck. With the tires, they are at least ...
2001 Chevrolet Blazer LS 4.3L Coolant leak VIN: 1GNDT13W71
Greetings! Have a fairly substantial coolant leak and can't see the exact location. Wanted to check on pattern failures for these before tearing into it so I can have likely parts on hand when I do. Left side of engine - up in the vicinity of the intake manifo...
2003 Chevrolet Impala 3.4L Battery Drain VIN: 2G1WF52E43
Hi fellow IATN techs, We have a 2003 impala that has a drain on the battery. Ok so here is what happens when the battery is hooked up the drain goes to 1.698amps and after about 2min it will fall to 48ma but then it will drop to 32ma and jump back up to 1.698...
2003 Chevrolet Tahoe LS 5.3L blower speed VIN: 1GNEK13T83
hi all, customer originally complained of the defroster not heating up fast enough. Turned out what he was really trying to say is the blower motor speed set on automatic was not fast enough. Customer says it used to go all the way to max blower speed. I verif...
2003 Chevrolet Impala LS 3.8L Surge, Stall, Misfire VIN: 2G1WH55K03
ok, where to begin on this one, this is one of thoes that makes u wanna pull your hair out. but this vehicle has came in with an intermittant no start/ rough idle concern...it will start right up but after you drive it for 30 mins or so and get it nice and hot...
1991 Pontiac Trans Sport 3.1L Faulty ECM VIN: 1GMCU06DXM
Hi all, Helping a friend with his sweet ride. He's the original owner of this beauty and I wanted to fix a couple of minor items on it so he could drive it for another 20 years. While working on the air conditioner, I noticed that the cooling fan would not com...

Fixes & Summaries for GM
Fix/Summary Answers
1984 Chevrolet K20 Custom 6.2L Converter VIN: 2GCGK24J1E
Thanks to all the replies. I pulled the converter inspection cover off and found the 3 converter bolts loose one accually was hitting the inspection cover. I lock tighted the bolts and reinstalled them. Will see how long this lasts. If it happens again I will ...
1985 Chevrolet S10 Tahoe 2.8L Poor Idle Quality, Flooding VIN: 1GCDT14B8F
Thank you to everyone who took time to give me input. A lot of experiemnce and information. I sold a reman repair, dropped it on set it and forget it. New plugs and oil change and its back on the road. Performs as well as these 2.8l every run. Next time I will...
2003 Chevrolet Silverado 2500 HD 6.6L engine smoke VIN: 1GCHK23173
Thanks again for all your help. I think I convinced my customer from most of your responses that the injectors need to be pulled and checked. From the specs. I think only a couple will need to be replaced but all the rest will need to be cleaned. Until next ti... Trouble codes: P0234, P1093 (Fuel Pressure low while power enrichment).
2006 Chevrolet Silverado 1500 LT 4.8L Heater VIN: 2GCEK13V46
OK. put city water to this heater core and had Good Flow. Chased my tail after that. Installed a new heater core externally to the heater hoses and now the flow and pressure is exactly what it should be. The first thing we did was test and flush the heater cor...
1988 GMC K1500 Sierra SLE 5.0L speedometer VIN: 2GTDK14H3J
thanks guys...less than an hour after posted got two replies both of them correct...purple and yellow wires directly back to the speedo...
2005 GMC Envoy SLT 4.2L engine VIN: 1GKDT13S55
Good Evening all, well I have done what you all told me to do and although the pick was a little dirty as well as the pan I have seen much worse. I did not want to close this yet because I am not done with the vehicle yet but could find no other way to update ...
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