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  1. S

    knock sensor selection

    Hey folks - I'm tracking down a persistent misfire (which has grown more frequent with time) in my 04 Burb which only seems to occur when in tow/haul mode, even when not pulling anything. Live data shows misfire on 1 & 6 that trigger the CEL with a very small number of misfires logged in the...
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    VCX Nano connection issues

    Hi folks - I am having some connection issues with my VCX Nano running Tech2Win on an old laptop. I am attempting to chase down a persistent misfire issue in my 04 Burb SLT AWD. Whenever I attempt to collect live data the VCX Nano always drops the signal - at best I can get about 30 secs of...
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    P0300 only when in tow/haul

    Morning all - I am trying to chase down a P0300 code on my 04 Burb AWD. It only seems to appear when in tow/haul pulling my small (1500lb) camper, it does not crop up when towing my utility trailer in regular mode even if it is loaded as much/more than the camper in tow/haul. It seems to happen...
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    Tech2 menu help

    Finally got a VCXNano up and running and have the unit connecting to the truck to retrieve data. I want to change out the airbag module under the drivers seat due to SRS codes - the unit was badly corroded after the interior floor got wet this winter (hole in the floor has been patched). I have...
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    Chinacargiags - "gm tech2 lacks the chips"

    Morning folks - just received a shipping notification from Chinacardiags that the "gm tech2 lacks the chips". Anyone here have any leads on another source that has units in North America or a different unit (Autel maybe?) that I could get my hands on in Canada? I'm chasing an airbag issue that I...
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    B0100 & B0103 airbag codes

    Howdy folks - this winter I had the above codes (B0100 & B0103) pop on my 04 Suburban LT. I have done some investigating and tried replacing the two front impact sensors with salvage units from the wrecking yard to no avail - I know that I have no way of testing them but they were free of any...
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    Brake line diagram - SOLVED

    Hi all - just blew out a brake line on the Burb (04) yesterday. It looks like it is the line from the proportioning valve to the ABS pump which sits on the frame next to the steering box. I am having a hard time finding this specific line, the dealer being the only place that can supply it as...
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    Blend door actuator questions

    Hey guys - I'm experiencing an intermittent blend door actuator problem in my 04 Burb. It will sometimes get stuck on the full hot setting only on the drivers side (and central dash vent) - I have the digital auto climate control unit. Usually restarting the truck cures this and full...
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    How much oil in my compressor?

    Hey guys, after attempting to replace just the clutch and pulley on the front of my compressor (pulley bearings went) I think I am going to have to replace the entire compressor as I am still finding a small leak - likely through the compressor shaft seal from what I have researched. I have...
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    A/C issues

    Hey all - I'm currently trying to get ahead on the warmer weather and get caught up on overdue maintenance on the truck (04 Burb LT). Last year on a road trip we lost a/c when the bearings went on the pulley. This fried the magnet and the clutch. I managed to get the whole front end of the...
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    key replacement

    Morning folks ... looks like I have lost one of the two keys that I had for my 2004 Suburban. I think the plastic part that connects to the key ring must have broken. Any suggestions on where to get a new key (other than the stealership) way up in the Great White North?
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    A/C issues

    Hey folks, I had the a/c clutch on my 04 Burb give up on a recent lengthy road trip and now that we are back home I need to dig into repairs. I've already had the clutch off and it was full of burnt/melted friction material. The bearing is also shot on the pulley. I've done some preliminary...
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    Steering gear seal rebuild

    Hey guys, any good resources for replacing the input shaft seal on the steering gear (04 Burb w/ 7,200lb hydroboost brakes)? I have a slow leak that I would like to fix and have no need to replace the entire box.
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    Power steering pump question

    Hi all, I am attempting to source a new power steering pump for my 04 Burb as mine sounds a bit gravelly (technical language of course) but I am having some difficulties. The local parts supplier that I use all the time says they only show a couple of different pumps and the differentiating...
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    Deleting autoride

    Hi folks - before I go sifting through previous threads does anyone have any recommendations on deleting the autoride suspension from an '04 Burb? It looks like the rear shocks were replaced by the PO (with OEM autoride compliant units) but I am pretty sure the compressor is gone and the front...
  16. S

    Vibration at 110km/h

    Hi all - my 2004 AWD Burb has developed a pronounced vibration from 110km/h to 120km/h, it drives fine at all other speeds. I was hoping that it might have been a lost balance weight on one of the wheels but after changing over to winter tires the problem is still there. From my initial research...

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