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  1. M

    80 series very hot

    My 1993 occasionally stays very hot after I park it. Hot to the touch for 2 hours Fan works Heat works No play on water pump No leaks No implications on dash. Any guidance would help.
  2. M

    80 series CDL SWITCH TRANNY

    Hi all, I recently just installed a center differential lock switch it went in very smooth I took the truck out for a ride and I noticed it was shifting hard when I got it home the transmission fluid smelt burnt could this be a coincidence or is the switch directly involved with this? Should I...
  3. M

    A new leak

    Just finished the PHH, LC has been sitting for a few weeks. I noticed this oil leak (I think). It always had a small weep, fluid never made it to the floor Any recommendations where it could be coming from?
  4. M

    Coolant leak

    GM, I can't find the source of the leak. Any suggestions.It appears to start from the starter, I cannot trace it up that location.
  5. M

    80 series hvac

    Did some reading and I cant find a similar thread to work off of. 1993 Lc A/C works awesome. The heat blows very weak at 96degrees. The rear heat on floor blows 106degrees. When u switch from cold to hot on any speed it dosnt blow as hard as when it is cold. If on heat dashboard gets very hot...
  6. M

    Passenger side soaked floor

    Good day, 93 LC woke this morning realized wet front passenger side floor, I have a sunroof. I cant find any moisture above the carpet. I checked a 1/2in black line for clog clear! There was a plug in the floor about 1/2 in I removed it because there was standing water there. Any ideas. I...
  7. M

    Replacing a coolant ine pulled the wire out

    Can anyone identify the plug in top left
  8. M

    EGR delete kit

    does anyone on the net sell a complete egr delete kit for 1993 LC gasoline motor which includes plate and electronic
  9. M

    Coolant leak 80 series

    Found about 2oz of coolant underneath the LC. I wiped it all clean it seems as if it is coming from a plastic rectangle in the transmission, problem is I cant get it it to leak again drove 30 miles. Any ideas or explanations. I'm a rookie. Lol , yesterday I repaired a transfer case leak and...
  10. M

    Tapping at 2500rpn

    Iam getting a tapping sound at 2000-2500rpm Only when the O/D switch is off. Then it stops when I get above 2500rpm. Opinion or explanation please 240k on a 80 series 1993. Keep in mind hatd to duplicate if not driving.
  11. M

    New to the forum

    Hello, just purchased a 1993 LC with 239k. I'm having a few issues lol! I did a spark plug and wire change she runs rough at 650rpm (intermittently)she was not doing that before the change. I used ngk wires and oem plugs. I cleaned throttle body and bottle of seafoam in fuel tank. I also feel my...
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