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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for February 23, 2013
International Automotive Technicians' Network (iATN) - Members Only
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Open Help Requests for GM
Help Request Answers
1995 Buick LeSabre Limited 3.8L Hvac VIN: 1G4HR52L4S
Everything works but no airflow from vents,ac is not charged.changed parts from another car that works.what else controls system.has dual climate control.thanks for your help
2007 Chevrolet HHR LT 2.2L Sol Control Valve VIN: 3GNDA23D47
12 volts at the Vent Control Solenoid (multi-meter). Will load test tomorrow to be positive on full circuit. But, a meter across the 2 terminals will yield 1.6v koeo. If I could get a full wiring diagram from underhood to solenoid, I will load test both circui...

Fixes & Summaries for GM
Fix/Summary Answers
1997 Cadillac Eldorado ETC 4.6L brakes VIN: 1G6ET1291V
Hello, After replacing the left harness we could see no reason why the left front wheel should not work and installed a reman EABS controller. The result was as expected no improvement. We then decided to follow most help responses and do some wire testing at ...
2007 Chevrolet Trailblazer LT 4.2L cooling fan system VIN: 1GNDT13S77
Well again the IATN crew has helped me through another major headache..The thing that made this so hard was there really was no failure time.I guess the only problem accured upon cranking.. so to use the scope on it was really impossible due to the voltage flu...
1997 Oldsmobile Cutlass 3.1L Coolant Reservoir VIN: 1G3NB52M0V
Well I ended up replacing the unit with another Factory Delco part. We went through additional extensive checks and found that it was not over pressurizing and system was normal. Some noted to check for electrolysis, block test (via purple fluid), and inspec...
2003 Saturn Ion-1 2.2L abs VIN: 1G8AG52F83
Well its fixed ! I decided to trace every wire from the abs module and found out that the ground wires wouldnt pass a load test. Basically I took a head light bulb from the plug to battery power to test the integrity of the grounds . well I already took off an...
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