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Professional Automotive Repair Technical Discussions for April 3, 2009 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1991 Buick Park Avenue 3.8L clutch VIN: 1G4CU53LOM Hi guys, thanks for the reply. This my own car and I don't do a/c. With the propper puller, can the hub be changed without taking the compressor out of the car? Thanks for the help. Deck |
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| 2004 Cadillac CTS 3.6L No Start, Poor Idle Quality, Hesitation, Cuts out, Stall, MIL Lamp on VIN: 1CGDM57744 Hello. This cadillac is a good customer so I will have an opportunity to spend some quality time with the vehicle. The tune up was done just to cover the basics due to service interval. The codes p2188 and p2190 and the rough run were the original customer com... Trouble codes: P2188, P2190 |
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| 1993 Chevrolet C2500 Suburban Silverado 7.4L axle VIN: 1GNGC26N6P This Guy is Cool, It has to run like an F16 and ride like a Cadillac, Complaint is at 70 it rattles his teeth, fairly accurate description of what I experienced. He had the tires shaved and balanced at a reputable tire dealer. I dont see how they can spin bala... |
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| 1995 Chevrolet C1500 Cheyenne 5.7L Mechanical VIN: 2GCEC19K9S Hello again fellow techs, have a braking issue. Doesn't only apply to this vehicle. For some reason after we are surfacing rotors we are getting a thumping noise from the rotors that we surfaced, mainly on ones with wheel bearings. We can put in bearings and r... |
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| 1999 Chevrolet K2500 5.7L No Start VIN: 1GCGK29ROX Good morning!after re sealing a typical intake,I lost spark and inj. pulse.scanner sees rpm.verified module & coil even swapped out vcm w/used,still no trigers.security also ok, scanner will not perform inj.ball. test.also verified all related connectors.what ... |
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| 2002 Chevrolet Astro 4.3L transfer case VIN: 1GCDL19X72 hello fellow technicians i have this chevy astro van that intermittently binds when turning .originally came in with service awd light on and dtc co310 .fixed problem with new transfer case encoder motor.came back several months later for binding.did transfer ... |
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| 2004 Chevrolet Silverado 1500 5.3L Drive-axles VIN: 1GCEK19TX4 Driver's side axle seal is leaking, Repair procedure states to remove outer axle and tap inner axle flange with a brass punch. I've been unsucessfull. Do I need a bigger hammer or do I need to do something different? Has anybody had any luck tapping these out ... |
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| 2006 Chevrolet Silverado 3500 WT 6.0L ABS light on, no codes VIN: 1GBJC34U96 Vehicle came in w/ABS light on, code C0040, RF speed sensor. Ohms checked open, backprobe @ connector w/scope showed approximately 3.v biased, rotate wheel, no signal. Get dealer hub/sensor assembly & install, clear codes. I have a Mastertech scanner. I also c... |
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| 1995 GMC C3500 Sierra SL 6.5L No Start, Cuts out VIN: 1GDKC3AFXS Hi all. This truck is harder to start when cold. The glow plugs stay on only about one second when the outside temp is 50 degrees. Hooked up scanner and saw coolant temp was 180 degrees after sitting overnite outside. Popped the sensor connector off and it onl... |
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| 2000 GMC K2500 Sierra SL 5.7L Speedo / ABS VIN: 1GTGK29VXY Customer came in with the following problem - all happen at the same time - once every 50 +/- miles this would occur 1) Intermittent Erratic speedo (jumping / dropping needle) 2) Flashing ABS lamp 3) Red Brake Lamp ON (dash indicator) 4) Erratic transmission s... |
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| 2002 Oldsmobile Alero GL 3.4L passlock2 bcm VIN: 1G3NL52E52 Howdy, I was called over to another shop to look at no start for them, took my tech2. When I got there they said it had just started for them but I scanned it and came up with b2960 in the bcm and the radio was toggling back and forth in the serial data2 code ... |
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| 2001 Pontiac Bonneville SE 3.8L Mechanical VIN: 1G2HX54K81 we removed cylinder heads to repair leaking exhaust valves. customer calls week later stating he was low on oil. after monitoring oil consumption he found it using about a quart per 400 miles. we got vehicle back today for repair. we removed all spark plugs, w... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1983 Cadillac Fleetwood Brougham 4.1L e-brake VIN: 1G6AB4785D Hey Thanx to all the great folks that replied...Yes it was the neutral safety switch that had gone bad...point of interest the Caddy dealer is about $12.00 less than the aftermarket. Again I greatly appreciate all the quick responses. Ed |
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| 1997 Chevrolet Blazer 4.3L fuse#10 VIN: 1GNDTELW34 First I want to thank everybody for all of your help on this one.This was a first for me.I followed alot of your responses telling eliminate or disconnect the things on that circuit using a wiring diagram.Now I went through alot of fuses but I found the short.... |
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| 1998 Chevrolet S10 LS 4.3L abs VIN: 1GCDT19X2W Checked both front wheel speed sensors with lab scope, and found that left front sensor was dropping off faster than the right. I replaced the left front hub and sensor with a new one, and it took care of the problem. |
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| 1998 Chevrolet K1500 Cheyenne 5.7L power door locks VIN: 2GCEK19R7W thank you to everyones help and advise it turned out to be a defective remote reciever installed a new one and no more locking |
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| 1999 Chevrolet K1500 Suburban 5.7L converter VIN: 1GNFK16R3X Truck is fixed -Alex [...] had the correct answer. We knew that the engine had just been rebuilt(the owner installed it)but owner said problem was present before the engine work only not as bad.So we ended up w/two problems - 1. the convertor was bad 2. whe... |
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| 2000 Chevrolet Express 3500 5.7L No Start VIN: 5B4JP32R4Y Thanks so much for all your help we ended up, after a long time of tracing wires down, finding that one of the ground wires on the front of the engine was broken and running along the wire loom so it was hard to see. We repair that and reset the dist. and I ... |
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| 2002 Chevrolet Trailblazer LS 4.2L no start VIN: 1GNDT13S22 We installed a new ignition switch and the fuse stop blowing. We also found some loose ground wires on the left side of the engine block. On the first test drive the vehicle had a misfire. Tested for a misfire and the truck had a bad ignition coil on cylinder ... |
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| 2002 Chevrolet Astro LS 4.3L Misfire, MIL Lamp on VIN: 1GNDM19X12 Well, it took some time to end this adventure. We recommended cleaning the injectors or replacing the spider as required. The customer did not wish to spend the money so she ran a few tanks for a mild cleaner through the vehicles fuel tank and the miss finally... Trouble codes: P0300 (Random misfire). |
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| 2003 Chevrolet Malibu 3.1L oil filter VIN: 1G1ND52J43 installed new oil pump that repaired vehicle thanks everybody for the info all u guys were a big help |
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| 2005 Chevrolet Silverado 2500 HD 6.0L Internittent Battery Drain VIN: 1GCHK24U55 Good morning I am going to report this as a repair, I removed the alternator and replaced the regulator, it has been two weeks and no problems so far. If it comes back I will update that info. I responded to all ideas with a personal reply. IATN is a huge p... |
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| 1999 GMC K1500 Suburban SLE 5.7L transfer case VIN: 3GKFK16R9X Well I feel bad for the guy, he fixed and serviced everthing we recommended christmas a year ago and he decided to just ride out the transfercase problem. Since it doesnt have the removable tail housing its a bigger problem than just the common snap ring issue... |
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| 1992 Pontiac Trans Sport 3.8L Cuts out, MIL Lamp on VIN: 1GMDU06LON thanks for every ones input on this old wreck but its happy & down the road again. I didnt think the knock sensor was causing my running issue but i decided to test out the system any way so i could at least make some progress , found bad sensor, after replace... Trouble codes: 43 (electronic spark control / knock sensor). |
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| 2005 Pontiac Vibe 1.8L No Start I want to thank everybody for their input. We ended up sending the car to the dealer because I was pretty sure it did have a pcm problem. They checked it out and said it needed a pcm, they did not say anything about why the battery was going dead. we've had it... |
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