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  1. M

    Help! Lb7 soot and pressure in coolant

    Had same problem did all that and then found the oilcooler gasket had been leaking allowing a little oil. Into coolant . Cleaned it and put the whole merchant automotive gasket kit with a light amount of anaerobic sealant and problem solved.
  2. M

    LB7: Anyone know who could program my vin into my pcm. Dealer says that GM cannot. My tru

    It was like it is now. Sent from my DROID X2 using Tapatalk 2
  3. M

    LB7: Anyone know who could program my vin into my pcm. Dealer says that GM cannot. My tru

    I have not changed the pcm but I have only had it a year and a half. I appreciate the responses. The dealership told me they thought the pcm was locked and they couldn't get in. When I try to put a programmer on it, it says no vin on pcm. Sent from my DROID X2 using Tapatalk 2
  4. M

    LB7: Anyone know who could program my vin into my pcm. Dealer says that GM cannot. My tru

    I did try that but neither dealer offered to take it out and do it on the bench. Is this reason the security light is on due to the pcm having no vin programmed in. Sent from my DROID X2 using Tapatalk 2
  5. M

    LB7: Anyone know who could program my vin into my pcm. Dealer says that GM cannot. My tru

    My security light is also on. I have owned the truck for a year and had no other problems with it. However the pcm shows no vin when you hook to it. Sent from my DROID X2 using Tapatalk 2
  6. M

    LB7: Anyone know who could program my vin into my pcm. Dealer says that GM cannot. My tru

    How Sent from my DROID X2 using Tapatalk 2
  7. M

    LB7: Anyone know who could program my vin into my pcm. Dealer says that GM cannot. My tru

    Sent from my DROID X2 using Tapatalk 2
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