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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for November 15, 2017
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Open Help Requests for GM
Help Request Answers
2010 Buick Enclave CXL 3.6L Misfire VIN: 5GALVBED6A
I have this Enclave in. Customer told me she would drive it it would randomly buck on her and the check engine light would flash. Of coarse I can't get it to do it foe me. Was thinking I had a typical problem with the ignition coils and it has never had th... Trouble codes: P0089 (Fuel Pressure Regulator Performance), P0089 (Fuel Pressure Regulator Performance), P0089 (Fuel Pressure Regulator Performance)
2005 Cadillac SRX 3.6L steering pump VIN: 1GYEE63755
Suspected no flow from new pump. Replaced pump 5X rebuild and new, all aftermarket. Replaced pressure line. Applied vacuum to fill cap in reservoir before starting engine on #5. Same result. Removed pressure line at rack, no flow running or not. Found mentions...
2000 Chevrolet Tahoe Limited 5.7L unknown VIN: 1GNEC13R6Y
This vehicle came in because there's a vibration that occurs between 60-65 mph. It sounds like briefly driving over a rough patch in the road or driving onto rumble strips. It only occurs for 1-2 seconds at a time and only occurs on acceleration. Driving norma...
2007 Chevrolet Equinox LS 3.4L Engine VIN: 2CNDL13FX7
When put back together vacuum was pulled on cooling system. Engine slowly comes up to temperature. Thermostat opens about 190 degrees. At about 215 degrees engine starts to push out coolant then fan comes on and temp drop as coolant level drops. Fans turn ...
2004 Pontiac Grand Prix GTP 3.8L Dead Battery VIN: 2G2WR52464
Vehicle has fluctuating draw of 60 to 115 milliamps. Removing the CHMSL/BKUP fuse causes the draw to drop to 20 milliamp. This fuse is power supply to BCM. removing c1 at bcm also causes draw to go away. All aftermarket equipment and interfaces have been disco...

Fixes & Summaries for GM
Fix/Summary Answers
2011 Chevrolet Malibu LT 2.4L No Start, Cuts out, Stall VIN: 1G1ZC5E12B
first of all -a big thanks to all you guys for your inputs. i did a relative compression using an amp clamp on starter cable and a ignition coil control wire for a scope pattern to see if timing was the issue. i unplugged both coils and injectors - cranked eng... Trouble codes: P0011, P0014.
2009 GMC Acadia SLT 3.6L Fuel injector remova VIN: 1GKEV23D29
I have to admit this has to be one of the dumbest setups I've worked on. I was able to use a punch and small hammer to lightly tap the injectors out of the rail. Only way to remove the rail is without the injectors attached. Vehicle is fixed and down the road...
2012 GMC Sierra 2500 HD SLE 6.6L Glow Plugs VIN: 1GT120C87C
So I ended up ordering the kit to remove the broken tips spent $170 and it DID NOT work. The tips were absolutely stuck and we will go ahead and pull the heads off to see whats up.
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