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  1. Laredo1307

    96 Tahoe Heater Only Blows Warm Air

    I believe some vehicles like the single cab trucks don’t have the vacuum actuator but it connects to a PVC on the driver side of the engine and has a hard vacuum line that runs over the top, behind the throttle body.
  2. Laredo1307

    96 Tahoe Heater Only Blows Warm Air

    Well I'm back and I still can't solve my heater issue. I replaced my T-stat which does seem to be operating better than the old one. I also replaced the temp sensor as well. The heater seemed to be blowing warmer and was reaching a steady 130F when cruising on the highway. But that was with...
  3. Laredo1307

    1997 5.7 Misfire under load, bunch of parts replaced

    Somehow I didn't see you last post before I wrote this.......Looks like you figured it out. I'll leave it up for someone else.
  4. Laredo1307

    1997 5.7 Misfire under load, bunch of parts replaced

    My guess is you're off by a tooth when stabbing the distributor or......Are you using the new distributor hold down bracket or the original one? The new aftermarket distributors come with a hold down that locks the distributor in-place and allows no adjustment. Need to use the old one so that...
  5. Laredo1307

    Front end slack

    +1 on replacing the rag joint. Just replaced my idler, pitman and rag joint this week.
  6. Laredo1307

    96 Tahoe Heater Only Blows Warm Air

    Possibly but it’s a brand new sensor as well. Just replaced it a couple months ago. I can try putting the old one it to see if that makes a difference. I don’t believe anything is wrong with it.
  7. Laredo1307

    96 Tahoe Heater Only Blows Warm Air

    Using Dash Command to read the temperature coming from the sensor Yeah, I check my mode actuator and it seems to be working properly along with the others. Yeah I should have flushed the heater core this past weekend but plenty of fluid drained out and I didn't really see any sediment. Going...
  8. Laredo1307

    96 Tahoe Heater Only Blows Warm Air

    No, I have not but I'm fairly certain now that all the air is out of the system. I did find that my quick connect was seeping out fluid so while I was at it I went ahead and replaced my heat control valve even though I tested that whole system with the solenoid and it all appeared to be working...
  9. Laredo1307

    96 Tahoe Heater Only Blows Warm Air

    I can only assume there was a pocket of air trapped in the heater core after I replaced the radiator and hoses over the summer. My guess is that there wasn’t enough pressure in the current system to overcome the trapped air whenever I turned on the heater finally and the valve opened. I...
  10. Laredo1307

    96 Tahoe Heater Only Blows Warm Air

    Update: No parts replaced. What I discovered was that my heater core was dry locked. I had replaced my radiator over the summer and of didn’t turn on my heater when I went to replace fill new antifreeze. Just had to squeeze the heater core hoses a few times with the truck warmed up and the...
  11. Laredo1307

    1997 5.7 Misfire under load, bunch of parts replaced

    I had a similar issue lately except it was the opposite of you. Would misfire really bad my whole 30 mile commute in the mornings and then run fine at lunch and my drive home. All I would get is P0300 codes as well. Ended up being my fuel pressure regulator the MPFI I installed a few years...
  12. Laredo1307

    96 Tahoe Heater Only Blows Warm Air

    FYI, I decided to unplug the heater control valve vacuum tube that goes to the solenoid and my heater immediately started blowing hot air. Previously I had only tried unplugging the vacuum line from the engine to the Solenoid and it made no difference. I tested the voltage going to the solenoid...
  13. Laredo1307

    96 Tahoe Heater Only Blows Warm Air

    Hey guys, I'm a bit stumped on this one. My heater is currently only blowing warm air out of the vents. I do not appear to have any coolant leaks that I can see inside or outside for starters. My radiator, upper & lower hoses, temp sensor, and thermostat were all replaced in September. The...
  14. Laredo1307

    Oil pan gasket

    I recently did this. I basically removed the 4 front diff bolts so that it would drop about an inch or two and stay in-place, then I removed the drivers side motor mount bolt and that was enough to jack up the motor to remove my pan. I was also replacing my timing chain and cover. DO NOT use a...
  15. Laredo1307

    Water in cab of truck

    I currently have a leak as well and of course mine is in the worst possible location. But there's a few spots you can check - Like most have said the cowl screws (2 of them) are directly above the air box inside the dash and water will look like it's coming out of the box if that's you issue...
  16. Laredo1307

    Transmission Options

    Just saw your last post. If you have a ton of fluid in your T-case then it maybe leaking from the transmission. There's a seal that separates the two and if t leaks the fluid from the trans will flow back into the transfer case. There's a TBI out there about this issue. I had a shop here in...
  17. Laredo1307

    Transmission Options

    Does sound like a starter making contact with the flywheel lol. Maybe try puling that and seeing if the gear is not retracting all the way. Otherwise I would guess it's in the torque converter area based on the sound. Sounds loud and hollow like it's coming from inside the bell housing. I...
  18. Laredo1307

    '96 K1500 5.7 Crank no start, no changes.

    Sorry, I didn't read your last post very well but as soon as I got to the other observations the first thing that came to mind was the ignition switch. I think you might be on the right path. Also, the AC blower only working on high is from a faulty blower motor resistor. It's pretty cheap on...
  19. Laredo1307

    '96 K1500 5.7 Crank no start, no changes.

    If the truck was running the same day and then all of a sudden you get crank with no start it's most likely the fuel pump. I've had this happen a couple times on my 96 Tahoe. Fuel pumps are not usually intermittent issues when they fail. They either work or they don't. If it was putting out low...
  20. Laredo1307

    96-98 Vortec Alternator Upgrade AD244

    Was looking to upgrade my alternator and stumbled upon this thread. Just posting some info I found in-regards to the different options for the AD244 140amp Delphi units. These all have the Oval style single wire plug that match my 96 Tahoe. You can save some money depending on which part number...

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