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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for March 6, 2011
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Open Help Requests for GM
Help Request Answers
1972 Chevrolet Monte Carlo 5.7L tach VIN: 1H57H2R599
ok guys i have done several of these with the result of the tach not going past 2000 rpm. i have a 66 truck i changed to hei same thing. hi know about the wave difference of the point verses the hei and i heard i need a filter to correct this.i heard a 7 0r 8 ...
1995 Chevrolet K1500 Suburban 5.7L torque converter VIN: 1GNFK16K0S
Vehicle came in shifting fine. Customer stated that while driving on interstate the tcc wasn't locking up and engine rpm was higher than normal. After shifting the vehicle into neutral and then back into the overdrive it then went into lockup mode. He also sta...

Fixes & Summaries for GM
Fix/Summary Answers
2007 Chevrolet Equinox LT 3.4L Poor Idle Quality VIN: 2GND133F78
Thanks again to all that replied. It was a defective throttle body from gm. Replace with another one from gm and worked fine. Performed relearn for throttle body and vehicles left without any issues. Thanks again. Trouble codes: P0507.
1997 GMC Savana 2500 5.0L oil pressure guage VIN: 1GCFGJ29M4
Hi all, Thanks for the replies on this one. I have never seen a case where the oil pressure neddle pegs out past the last market and sticks with engine off before. Customer decided to not have it fixed. I did not at the time have the right sized socket for ...
2000 Pontiac Montana 3.4L starter VIN: 1GMDX03E6Y
Well the problem with this car was the security system. Not known to me at the time i was using the extra repo keys customers key started car fine.
2001 Pontiac Grand Am SE 2.4L Cuts out VIN: 162NF52TX1
exhaust valve showed 10 ths. shorter than all the rest. customer went with an engine replacement. after engine gets replaced then further tair down will be done will relay findings latter. Trouble codes: 301 (testing and results).
2002 Saturn SL1 1.9L intermittent hard shift VIN: 1G8ZH52802
Most replies agreed that the valve body and or input shaft end nut are the common problems. The customer was not willing to spend the money for a valve body replacement but did want to see if tightning the end nut would help...it did not...I suspect, as m...
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