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Prev Professional Automotive Repair Technical Discussions for July 28, 2015
International Automotive Technicians' Network (iATN) - Members Only
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
1992 Buick Park Avenue 3.8L No Start VIN: 1G4CW53L5N
Does anyone have a color coded wiring diagram for this car? I need the wiring for the ignition to module plug. This one has a thirteen wire plug. My alldata doesn't show a very good one. Any help would be a big help. Thanks to all.
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2002 Cadillac Escalade EXT 6.0L fuel pump/ing.coils VIN: 1GYEK63N52
vehicle come in on flat bed cust.states vehicle will start then shuts off immediately,cust.had vehicle at another shop once before for same problem vehicle was fixed and ran for about three days,problem started again.checked wireing harness relays fuses no cod...
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1996 Chevrolet Blazer 4.3L No Start VIN: 1GNDT13W5T
ok no start but cranks ok/no data link with scan tool/i can get it to run if i jump power to orange wire to ecm/and pink to ign feed then it will start and run also i have ground at pin 17 and 18 at c3 gray vcm connector it has all new ign parts but not dis it...
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2001 Chevrolet Express 1500 4.3L No Start VIN: 1GCFG15W21
van came in no crank no start, replaced starter, became crank no start. fixed shorted ignition signals and replaced ignition switch. Now I have a crank no start on the first key cycle, only when cold. After that starts everytime, when the crank no start occurs...
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2008 Chevrolet Tahoe LTZ 5.3L Starting VIN: 1GNFK13018
Ok GM Guys Got a good one for you here, Thanks in advance for the help! This 2008 Tahoe got towed in with a no crank no start. Hooked up the scanner and could not access the ECM, TCM, BCM, ABS, 4WD Computers they may be others, so I I Checked power and grounds...
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2000 GMC C3500 Sierra SL 7.4L Reverse VIN: 1GDKC34J5Y
This transmission works great until the trans temp reaches 180 to 200 degrees. The trans shift just fine and the TCC works correctly but once warm you can put it in reverse its fine until you hit the gas the it acts like the Tcc locks up and The engine stalls....
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2012 GMC Savana 3500 LS 6.0L MIL Lamp on VIN: 1GJZ7ZFG4C
Any help appreciated, Code P1682, No information at all in Alldata. No symptoms other than Reduced Power indicator on. Trouble codes: P1682 (Ignition 1 switch circuit 2)
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Fixes & Summaries for GM
Fix/Summary Answers
2001 Buick Century Custom 3.1L Surge, Cuts out VIN: 2G4WS52J91
seth from new york hit the nail on the head.crank shaft pulley had been replaced by another shop with an aftermarket part. compared to a/c delco part and reluctor ring half a window out of time.why no crank position codes i have no answer. thanks for all repli...
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1999 Chevrolet C1500 LS 5.0L No Start, MIL Lamp on VIN: 1GCEC19M8X
Well,Dave pointed me in the right direction & Tim convinced me to follow it to the end.Truck is fixed & won't be back for the same problem (4 times to date).What kicks my butt is the bypass cost more than a new replacement module (that is back ordered since Ma... Trouble codes: P1626 (VTD data missing), U1192 (VTD module data loss).
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2007 Chevrolet Suburban 1500 Z71 5.3L coolant reservoir VIN: 3GNFK163X7
Thanks for all the input, this is a good one guys never seen before. Metal chunk came off the camshaft #8 cylinder, embedded itself with the lifter into the block,was unable to remove the damaged lifter and suspect there maybe damage internally in the block al...
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2011 Chevrolet Cruze LT 1.4L cams VIN: 1G1PF5S92B
cams gears chains crank exciters were all marked when I tore cams down set tdc cam timing made a tool for exciters locked it all down vehicle had 135 lbs compression started run vehicle no codes released vehicle to customer
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2001 GMC Savana 2500 5.7L Misfire, MIL Lamp on VIN: 1GTGG29R31
This van I believe needs a PCM. I could not get the crank learn to reset with 2 scanners including a Tech 2. The customer is deciding how much they want to spend on it. Thanks for all the help. Trouble codes: P0335, P0300.
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