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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for June 27, 2014
International Automotive Technicians' Network (iATN) - Members Only
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
2005 Cadillac DeVille 4.6L starter VIN: 1G6KD54Y25
Car came to us with no start condition. Battery was dead. Charged battery and still no start. Checked voltage at purple solenoid wire and showed 9 volts with key off. I knew this shouldn't have any voltage so I pulled intake manifold and found starter to be bu...
2005 Chevrolet Silverado 1500 LS 5.3L 4 wheel drive VIN: 2GCEK13T85
Truck came in and customer had already install al new parts but still wasn't getting his 4x4 to work. The code that it's giving me is co321 transfer case lock circuit malfunction. I've never seen this code before can someone put me in the right direction like ...
2006 Chevrolet Silverado 1500 LT 5.3L Flex plate VIN: 2GCEK13T96
Hello everyone! Just throwing this out there in case someone has run into this. Last Feb. this truck came in with a noise from the trans/engine area. Found the flex plate was broken. Removed the trans and replaced plate. Now its back again with the same proble...
2006 Pontiac G6 GTP 3.9L Mechanical VIN: 1G2ZM15126
This vehicle shakes at idle. The engine seems like it's a misfire but it is not. It's fairly pronounced. There are no registered misfires, it feels like an imbalance issue. There is a bit of a noise that goes away with the clutch pedal pressed. Has anyone run ...
2003 Saturn Vue 2.2L no up shift VIN: 5GZCZ33D93
Two years ago I put a gm remand trans in. the car just came back with a broken chain. took the trans apart and put a new chain in and now the car has no up shift. I get one code when driving it p1882. changed a ratio control motor because it would just make a ...

Fixes & Summaries for GM
Fix/Summary Answers
1999 Chevrolet C1500 Suburban 5.7L No Start VIN: 3GNEC16R2X
The crank sensor and weatherpack was wasted changed them out truck runs like a champ again thanks everyone for your insights and direction
2001 Chevrolet Blazer LS 4.3L Poor Idle Quality, Stall VIN: 1GNDT13W41
Ok guys. First of all thanks for all the fast responses. Sometimes we put our blinders on because we (I)think because of a symptom it has to be such and such. It turned out to be fuel pressure. The pressure always stayed consistent but a little to the low ...
2008 Chevrolet Colorado LT 3.7L 1-2shift
First off I want to express a sincere thank you to all that replied to my help request.In stalled a new PSM(pressure manifold swich)I personally didn't get to test drive it,was very swamped today.Boss did and came back with its fixed.Did return to customer so ...
1999 Pontiac Grand Prix GT 3.8L Fuel Gauge VIN: 1G2WP52K5X
Thank you for all the replies. I can see where this one would have stumped someone. All PCM grounds are Good. I took a resistance reading right at the PCM it read what was coming out of the sending unit at the tank. But yet it still would not read correctly. d...
2008 Pontiac Solstice 2.4L Timing Chain Tensioner VIN: 1G2MB35B38
Sorry about the vague post . I stopped in at a nearby shop to help them with a vehicle and in the process introduced them to IATN . I guess he used my account that was still up to post this help request . Definitely the tensioner Thanks Dirk
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