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Professional Automotive Repair Technical Discussions for January 27, 2015 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2007 Cadillac CTS 3.6L Unknown VIN: 1G6DP57717 crack timing cover the left primary intermediate drive chain sprocket bolt is hitting cover can c what cause to hitting cover |
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| 2006 Chevrolet Silverado 2500 HD LS 6.6L Cam, Crank VIN: 1GBHC29DX6 Need help from gm dissel tech's cannot find good cam,crank relation sync wave form need some help with this.this is the (lbz)engne ,found one here at iatn with missing reluctor toth but i will like a known good thanks |
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| 2008 Chevrolet Equinox LS 3.4L Ignition VIN: 2CNDL23F98 Customer drove into shop with misfire, said her mechanic up north told her to change the fuel filter. Scanned vehicle, got misfire around 50 MPH on cylinder #6, replaced Coil and test drove vehicle, now I got a misfire code on cylinder #1. Crank and Cam sensor... |
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| 2010 Chevrolet Equinox LT 2.4L Stall VIN: 2CNFLEEW1A Customer complains the vehicle idle drops, the vehicle shakes as this happens, and the engine stalls at a stop sign or red light. We have been unable to duplicate this concern. 500 miles ago, we cleaned the throttle body and performed the idle reset procedure.... Trouble codes: P0506 (Idle lower than expected) |
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| 2012 Chevrolet Equinox LS 2.4L No Start, Poor Idle Quality, Stall VIN: 2GNALBEK4C Mechanical fuel pump will not build pressure. Suspect failed pump, but why? Is there something overlooked when changing the engine? Rear main seal had failed and engine ran out of oil. Did this kill the mechanical pump? Sure hate to replace it and then have th... |
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| 1998 GMC C1500 Sierra SL 4.3L MIL Lamp on VIN: 1GTEC14W0W Hoping you guys and can help me out here, I'm at a loss. Sorry in advance for this being so long, but I wanted to be thorough. Truck originally came in with P0172,P0175 Both Banks Rich. Testing found FPR leaking, after replacement fuel pressure held but was 80... Trouble codes: P0171 (Fuel Trim System Lean Bank 1), P0174 (Fuel Trim System Lean Bank 2) |
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| 2005 GMC Sierra 1500 SLE 5.3L actuators VIN: 2GTEK13T55 Removed the hvac housing to replace heater and evaporator cores. Everything went smooth. I checked to make sure all the doors moved freely when i screwed the housing back together. All the door seals looked ok. Got back together but the mode door and recircula... |
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| 2007 GMC Yukon SLT 5.3L Poor Idle Quality VIN: 1GKFK13027 Hi all. Have replaced throttlebody for sensor problems{p0121,p2119,p2135,p1516,p2101-goes into limp in and veh.stability light on}-fixed problem but cannot get vehicle to relearn idle.100 rpm hi in gear-at times in park or neutral will go up to 3000.Tried real... |
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| 2006 Hummer H3 3.5L flywheel VIN: 5GTDN13676 GM special tool part number EN6547 to lock up flywheel in order to torque crankshaft pulley bolt. Can you lock it up with a pry bar? thanks, |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2006 Cadillac CTS 3.6L Battery VIN: 1G6DP57776 car had a faulty overhead dome light circuit board,it was showing a slight output of 4 volts at all times causing the modules not to go to sleep after the rap shut down |
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| 1994 Chevrolet K1500 5.7L Acceleration VIN: 2GCEK19K6R Because of the mileage we changed the fuel pressure regulator, it was weeping a bit but the problem persisted. Took the distributor out and found the exciter wheel loose on the shaft. The shaft was too worn so we replaced the distributor and the truck runs p... |
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| 1996 Chevrolet Camaro 3.8L Misfire VIN: 2G1FP22K7T Thank you all for taking the time to help. Indeed it was nothing more than a typical misfire issue. I made it much more complicated than it should have been. The ignition wires were at fault. The first time I drove it after installing the pump, tank and filter... Trouble codes: 90300. |
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| 2000 Chevrolet Tahoe LT 5.3L No Mode Control VIN: 1GNEK13T1Y Calling this a fix. After talking to owner other shop also put in a "new" mode door motor. It was the wrong part. Put old motor back in. The unit work, but backwards. Defrost is heat, heat is defrost. Rear control which hasn't work for a while started working.... |
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| 2000 Chevrolet S10 4.3L misfire VIN: 1GCDT14W1Y thanks for all the help.found good comp after a checked it the second time(may have had bad seat of tester).the fix was new plug wires.first ones were bad.had spark at cap to wire but no spark at plug. getting hard to find good parts some times.god bless ameri... |
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| 2006 Chevrolet Trailblazer LT 5.3L Misfire VIN: 1GNET13M86 Well after finding nothing wrong with the valve springs I decided that we had to have defective new lifters on cylinder #6.The lifters came from our local GM dealer.The customer sure didn't want to spend anymore money on this thing and we didn't want to repla... Trouble codes: P0300. |
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| 2007 Chevrolet Avalanche LTZ 5.3L p0306 VIN: 3GNFK123X7 Hello. everyone. I am very happy as you gave me lots of information even small details I may forget/miss. First of all, this truck is fixed and runs well as before. 1.cam lobe: I checked when head out and no scoring/worn. 2.removed screen und... |
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| 2008 Chevrolet Aveo LT 1.6L MIL Lamp on VIN: KL1TG56668 Hello Techs Thank you for look up, we are call up local dealer for update parts, but their respond none available, back order. Thanks again! Trouble codes: P, 2106 (Throttle control system performance- limitation active), P2110 (Tac system forced limited throttle actuator speed), P2135 (Tp system sensor 1-2 correlation), P2282 (Intake manifold air leak). |
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| 2011 Chevrolet Silverado 3500 HD WT 6.6L Def VIN: 1GC4KZC8XB This truck is fixed. The rear NOx sensor did not need to be replaced. I talked to the customer at the end of last week and he said the light is still off. He believes he has driven about 750 miles since the repair. What fixed this truck was a completely... |
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