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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for February 26, 2008
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Open Help Requests for GM
Help Request Answers
1998 Cadillac civalle 4.6L egnishion switch VIN: 1G6K55441W
the key is stuck in the egnision in off position,we cant get it out,is threr any way that we can remove the key without removing the egnision lock cylinder?
1999 Cadillac Seville SLS 4.6L Mechanical VIN: 1G6K554Y8X
Hello everyone, I would like to know the best way to R & R this engine. Aldata said to take out bottom with trans. No matter which way if you have any do's and dont's, short cuts anything that might make this engine swap go as smooth as possible. I know the e...
1993 Chevrolet K1500 Suburban Silverado 5.7L MIL Lamp on, high idel VIN: 1GNFK16K7P
customer will come in with code 22 tps every few months fast idel and harsh shifting.replaced tps a couple times still problems,trial fit connector pins good and tight also replaced map sensor as they share refrence voltage never has had map code but new map h... Trouble codes: 22 (tps low voltage)
1996 Chevrolet Blazer 4.3L oil system VIN: 1GNDT13W3T
this vehicle came in on a hook. customer said had oil change done at another place and low oil light came on. found gasket on oil filter pushed out. replace filter and same thing again. did oil pressure test our guage goes to 110 and it peged it. what would ca...
1997 Chevrolet C1500 Cheyenne 5.7L Poor Idle Quality, Hesitation, MIL Lamp on VIN: 1GCEC19R9V
After replacing the fuel pressure regulator, the truck will idle fairly smooth. Under load, in park or drive, engine cuts out, misses and bogs. It was during this time we were informed by customer he'd replaced his own cam sensor. Scan showed cam retard -13 de... Trouble codes: P1345 (crank/cam correlation)
1999 Chevrolet K1500 Suburban 5.7L Poor Idle Quality, Misfire VIN: 3GNFK16R2X
I am pulling my hair out. Customer said another shop installed an dist. to fix a no start conditon, since then, the vechicle has a rough run and misfires on 3 and 5. I installed a fuel pump to cure the lean missfire on 3 and 5, then the miss moved to 6 and 7,... Trouble codes: P0300, P0305, P0307
2002 Chevrolet Tahoe LS 5.3L Poor Idle Quality, Misfire VIN: 1GNEK13Z12
Cust complaint is vehicle idles rough at start-up for about 30 seconds to a couple minutes, then clears up and runs fine. DTC P0300 sets at this time. This condition happens about once every two to four weeks. Other than start-up vehicls runs fine. When vehicl... Trouble codes: P0300 (Multiple Cylinder Misfire)
2004 Chevrolet Silverado 2500 6.0L plugged VIN: 1GCHK24U14
This is my personal truck, bought the truck this way. Catalytic converter is plugged causing the left bank to misfire. Problem is its a california truck and must pass smog. I can't seem to find any aftermarket replacements. Anyone have any ideas for universals...
2004 GMC Yukon SLE 5.3L heater / engine temp VIN: 1GKEK13ZX4
I got this builder from a local body shop. It had a hard hit to the front. Has been repaired, and I might add a good repair, and sold. The complaint is there is little or no warm air coming from heater. The customer put an aftermarket t-stat in to try to fix. ...

Fixes & Summaries for GM
Fix/Summary Answers
2003 Buick Century Custom 3.1L Misfire, MIL Lamp on VIN: 2G4WS52JX3
Thanks to all! We investigated all the options and concluded it was a cam wear issue. With the mileage, we opted for another engine rather than tear it down again. It also turned out to be the less expensive fix! Trouble codes: P0302.
1991 Cadillac DeVille 4.9L leaking brake hoses after new installed VIN: 1G6CD53B3M
A lot of great rely's on this one. Time to stock up on quality brake hose washers, I have as of yet had good ones come out of the box with the hoses... most of the time, they come with no washers!
1993 Cadillac DeVille 4.9L Starting VIN: 1GGCD63B6M
Gentlemen IATN is great! Within 10 minutes of opening, the solution was there. As I stated, I thought it was time to step back and give someone else a shot.I almost feel foolish because the answer was so simple. The wires on the lock cylinder were broken. I ...
1999 Cadillac DeVille 4.6L light on dash VIN: 1G6KD54Y5X
thanks evrone. i wanted to wait to close this until I know it was repaired. steve from ohio was right. I removed the connector from the abs module,checked the pins and installed dielectric grease in the plug and reinstalled. so far so good. I did have the unit...
2001 Cadillac Eldorado ESC 4.6L Automatic Temp Control VIN: 1G6EL12Y11
To repair this vehicle I simply had to replace the passenger blend door motor. When I removed the glove box to observe the movement of the blend door I noticed that the motor was moving nearly 360 degrees and that was causing the pushrod actuated door to move...
1998 Chevrolet Astro 4.3L intake manifod VIN: 1GNC12ACK2
the van is done.Thanx so much for all your help.The service writer gave this van to another tech.He used car quest gaskets.No new fuel o rings,However he did change the engine oil.Hopefully this one wont come back.Replacing the gaskets at least for now stopped...
2000 Chevrolet Blazer LS 4.3L 4wd inopertive VIN: 1GNDT13WXY
The s10 is now fixed. The 38 pin plug on the tccm had numerous terminals that had bad connections making the truck have a different problem or code. That is why everytime I would check something it would check ok because when I would back probe the wires in ...
2004 Chevrolet Cavalier LS 2.2L Poor Idle Quality VIN: 1G1JF52F24
I finally had a chance to remove timing cover and did find chain had jumped 1 tooth. I'm hoping new chain, gears and tensioner will fix it. Thanks for the help. Trouble codes: P0300 (Random misfire), P0172 (Rich exhaust).
2005 Chevrolet Silverado 3500 6.6L frame VIN: 1GBJC39205
I had envisioned this to be a area of which not many would be knowledgeble and I truly appreciate those who did respond. I suppose I needed to document my opinion. Having been "born' on a B-Line rack,, I instructed the frame shop to correct the sway and to e...
1990 GMC K1500 Sierra 5.7L No Start, Stall VIN: 1N6ED27Y21
It's been gone since friday with a new distributor in it. Thanks for all of your help guys!
1994 Oldsmobile Silhouette 3.8L Hesitation, Surge VIN: 1GHDU06L5R
Thanks for the replies guys. I rechecked everything that was mentioned with scope and voltmeter. Nothing made any sense. Friday I had the corporate guru in town, he had the correct cable for reading the com[puter data. Found the cruise control servo desired po...
1997 Pontiac Sunfire GT 2.4L Hesitation, Cuts out, Misfire VIN: 1G2JD12TXV
We really have run the gauntlet on this little thing. Responses were good and well thought out but for the most part, we had already tried all of it. Suggestions ranging from another new battleship to CKP and fuel issues, all the way to a potential head gaske...
2004 Pontiac Grand Prix GT2 3.8L headlamps VIN: 2G2WS52294
thankyou for all you're help. I found one B+ yellow wire in the wiring harness that runs along behind the battery, and in between the right front fender, after probing yellow power wire by fuse box on right strut tower, and having power, i simply backtracked, ...
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