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  1. SuperTramp

    5.7 wants to stall when stoped when HVAC is on

    Here’s a picture showing oil gauge under power
  2. SuperTramp

    5.7 wants to stall when stoped when HVAC is on

    Here’s another clue to the problem. CHECK GAUGES light comes on and oil pressure drops. See picture
  3. SuperTramp

    5.7 wants to stall when stoped when HVAC is on

    96-2D-Hoe, Thanks for your comments and advice. I will check the grounds and I've been planning on performing a Big-3 upgrade so this could be good motivation to proceed. I'll let you know my results. I'm pretty certain I attached the fuel pump ground but will check this out as well.
  4. SuperTramp

    5.7 wants to stall when stoped when HVAC is on

    Thanks Stutang. You've given me some good direction and I'll let you know what I've found when I get a free weekend to start
  5. SuperTramp

    5.7 wants to stall when stoped when HVAC is on

    Thanks for your suggestions. So, if I'm understanding correctly, are you suggesting I conduct an "injector balance test"? If so, is this typically a tool that can be rented from a local auto parts store?
  6. SuperTramp

    5.7 wants to stall when stoped when HVAC is on

    Thanks for your suggestions. I used the same technique of putting transmission into "N" in order to keep the engine from shuddering. The use of Seafoam (only burnt 50% of the mixture) has helped some. I'll see if there are any changes once I get to "E". I'm considering adding fuel injector...
  7. SuperTramp

    5.7 wants to stall when stoped when HVAC is on

    Thanks for your response and suggestions. 1) I changed fuel filter about 6k miles ago and the fuel pump about 3k miles ago. Both were AC Delco. 2) Am I correct in thinking that in order to check the ground at the pump, you either need a head of a small child or loosen the tank straps and...
  8. SuperTramp

    5.7 wants to stall when stoped when HVAC is on

    UPDATE: (1998 k2500 5.7) The only thing I've had time to do to fix this problem is to add Seafoam to the gas tank. Within 10 miles, the SERVICE ENGINE light came on. Four days and 100 miles later, I checked the codes which were; "PO174 Bank 2 System too lean" and "PO154 Oxygen Circuit No...
  9. SuperTramp

    Great and Terrible Parts Vendors

    DON’T BUY FROM PARTS GEEK! I paid $540 for parts which were all incorrect. After 6 calls to 5 extremely incompetent “customer service” people and sending multiple messages they left me $199 short as they just decided to keep my money, with no response. Sent from my iPhone using Tapatalk
  10. SuperTramp

    5.7 wants to stall when stoped when HVAC is on

    Test with a voltage meter?
  11. SuperTramp

    5.7 wants to stall when stoped when HVAC is on

    Thanks!
  12. SuperTramp

    5.7 wants to stall when stoped when HVAC is on

    Thanks! I'd of never figured that one out.
  13. SuperTramp

    5.7 wants to stall when stoped when HVAC is on

    I've replaced the IAC. I'll look into the TPS and vacuum leaks, which I'm not looking forward to. I will employ a scanner.
  14. SuperTramp

    Rear sway bars (anti roll bars) what got them and what didn't?

    Thank you Sewlow!
  15. SuperTramp

    5.7 wants to stall when stoped when HVAC is on

    I put it in PARK before it stalls. Engine shakes/shudders when it dips to 500 RPM
  16. SuperTramp

    no start when it rains

    Check out the thread entitled, 98 K1500 doesn’t start during rain
  17. SuperTramp

    5.7 wants to stall when stoped when HVAC is on

    I could use the experience of the members on a problem with my 1998 5.7; 160k miles; complete tune up 10,000 ago. It wants to stall when stopped (in Drive -foot on peddle) ONLY when HVAC is on and ONLY when the engine has warmed up. The RPM drops to 500 and oil pressure drops. RPM increases back...
  18. SuperTramp

    Winches for ‘98 k2500 4x4 hauling 2k lb camper

    Has anyone purchased or used the larger Badlands winches from Harbour Freight? I see where they have a 12,000 lb winch for $300.
  19. SuperTramp

    Winches for ‘98 k2500 4x4 hauling 2k lb camper

    I couldn’t find the H2R available anywhere so I purchased the Curt Front Hitch CRT31042 from Real Truck for $160.
  20. SuperTramp

    Winches for ‘98 k2500 4x4 hauling 2k lb camper

  21. SuperTramp

    Winches for ‘98 k2500 4x4 hauling 2k lb camper

    It is only the grill guard.
  22. SuperTramp

    Winches for ‘98 k2500 4x4 hauling 2k lb camper

    Who has experience with choosing a winch and mounting it on a GMT400? I’m looking for the best mounting equipment and location. I have a Ranch Hand grill guard. Has anyone had experience with the Badlands winch? I see where I can buy one from HF for $300. Buying a $600 winch is not an option...
  23. SuperTramp

    Brush-Grill Guards

    Ranch hand addition. Surprised how heavy Sent from my iPhone using Tapatalk
  24. SuperTramp

    Brush-Grill Guards

    Ranch hand addition. Surprised how heavy Sent from my iPhone using Tapatalk
  25. SuperTramp

    Brush-Grill Guards

    Has anyone had experience with installing/using brush guards on their GMT400? Have the heavier Westin and Ranch Hand guards caused any problems with front end wear and tear on the 3/4 ton trucks. I’m finding it difficult to locate any used, direct-fit, guards for sale. If I have to buy new, or I...

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