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Hi there, I dont think its the memory as much as it may be a shorted seat adjustment switch. If the side seat bezel is moved or is not set correctly, it may hold the switch in place which will keep the motor energized. Take a look at that first. Allthebest, c4c5

HI there, There are too many factors here. EPA mileage testing, powertrain development, validation of design and not to mention EMISSIONS validation of the driveline. Did it ever occur to the people at Autoweek or Motortrend that they can easily install the GM 8 speed automatic and NOT tell...

Hi there, There are check valves to prevent backflow and siphoning is near impossible. C5 before the FFS fuel system would be much easier because you can just get under the car, disconnect one fuel line and gravity will allow it to flow out. C6, with the FFS is near impossible. Allthebest, c4c5

HI there, While c6 is tough to diagnose, I think this is just ludicrous. IF YOU DUPLICATE IT< DONT TOUCH NOTHING UNTIL YOU SCAN WHAT PART OF THAT DOESNT ANYONE GET ????? Plug in the Tech 2 or Tech 2 WIN, laptop based and just start reading data. I mean, BE PREPARED. I agree with BUD, that...

Thank you Bill. Im just not up to snuff on some of the c2/c3 stuff and need all the help I can get. Yea Gary, I am doing c5 and c6 stuff but its right when your seminar is on and I wouldnt be able to get away. I find it always helpful to attend the other seminars on site whenever I can. If...

HI there, I would certainly think more so interference. Please place the key fob in your pocket in the glove box with the buttons facing the passenger door and see if this works. Allthebest, c4c5

HI there, First, the ZO6 does have an adjustable clutch, as the pressure plate fulcrum moves as the friction disc wears. Second, black fluid is normal in the clutch system and will appear over time. Third, GM recommends clutch fluid changes every 2 years/24000 miles. If your clutch is...

HI there, The column lock system is controlled by its own dedicated module for 2005, and it is IN NO WAY working the same way as the c5 column lock system. 2005 Column lock system were pretty trouble free. I have had a few that had reverse switch issues, but no actuators or control modules...

Hi there, Z51 is the OUTER TIE RODS. And the RANGER method of removing fluid does NOTHING for your slave cylinder fluid. You cannot override gravity to get the fluid out of the slave cylinder. In most cases, you are simply cycling the slave back and forth, cleaning the support that the...

Hi there, GM released TSB 07.07.31.001 and the following is the cut and paste from that bulletin. This bulletin is being issued to provide dealers with additional information on servicing the clutch hydraulic system. Please also advise customers of this new maintenance information. Some cases...

HI there, Once again, first check your battery to make sure it is sound. 12.5 volts and 500 CCA. If you turn the ignition on without starting it and your digital display reads LESS than 12.5, you have a battery issue. Allthebest, c4c5

Hi there, Unplug the connector at the bottom of the changer. Let sit 2 mins and then reconnect. Tell us what you have. Allthebest, c4c5

HI there, I did comment on the CM, but yes, I would completely get the car out of there. The low battery voltage would NEVER cause shorting of the column lock motor. It will create bad information TO the body control module but that is it. Im not a big fan of the Red top because of the lower...

DAMN, not gonna be able to make it. :ugh Anyone video tape it ????? c4c5

Hi there, GM service recommendation is 2 years / 24000 miles for all c5 and c6 clutch fluid. 88958860 or DOT 4 brake fluid should be used. The issue is HEAT and the fluid boiling when under stress. Thats why header equipped cars have MORE issues as the headers are RIGHT next to the hydraulic...

Hi there, 41-110 is the correct plug and DO NOT REGAP THEM!!!! Also, engine oil and torque to 11 ft lbs. Allthebest, c4c5

Hi there, EGR valves are NOT the only thing that can cause NOX failures in emissions tests. Carbon buildup is ALSO a big contributor, even if the EGR VALVE IS WORKING CORRECTLY> I would suggest a simple way to diagnose this issue. Vacuum test the EGR valve by putting actual engine vacuum...

Hi there, Ok, so based on your description, why not start with the basics?? You have already assisted in diagnostics and you stated that cold its fine, warm it is not. So, that being the case, lets start with FACTS. 1) when your o2 sensor is warm, its starting to tell the computer something...

HI there, That is showing an issue with the signal between the 2 systems for the steering wheel position sensor. I have seen these codes pop up on C5 when aftermarket ECUs are used that are not programmed correctly or are damaged. What kind of control module did you install ????? Allthebest...

HI there, Your mistaken. It does not require the PCM to be changed at all. Simply in order to get the maximum out of the spark plug change, it is suggested to have the programming updated. Allthebest, c4c5