my first ls swap 1996 2 door Tahoe 4wd 385 Stroker to LQ4 cam headers **pics**

[RedHeartbeat]

Oring looks like an oil pump pickup tube oring. The trans part is the PRNDL switch.

[PitchBlackC3]

The part from the heater hose is the cut-off valve for the heater core. Only the SUVs had it on the old body style. It uses vacuum controlled by the AC unit to shut off the flow to the heater core when the AC is in use. You can eliminate it or plumb it into your new heater lines. You would have to add the vac lines to the intake if you want to use it and there should be a solenoid that attaches to it on the vac line.
I would just ditch it, like I said before, none of the trucks had it only the SUVs. That part is prone to develop leaks too.

[myzterray]

Oring looks like an oil pump pickup tube oring. The trans part is the PRNDL switch.

ok i didnt see tha oring til i pulled the trans. any chance it could have came from the back of the trans where it connects to the transfer case?

do i need that switch because i didnt see any plugs for it on my harness and looks liek theres 2 separate plugs that go to it.

[myzterray]

The part from the heater hose is the cut-off valve for the heater core. Only the SUVs had it on the old body style. It uses vacuum controlled by the AC unit to shut off the flow to the heater core when the AC is in use. You can eliminate it or plumb it into your new heater lines. You would have to add the vac lines to the intake if you want to use it and there should be a solenoid that attaches to it on the vac line.
I would just ditch it, like I said before, none of the trucks had it only the SUVs. That part is prone to develop leaks too.

yea sounds like a lot of work so ill just ditch it and run the hoses straight from the water pump to the heater core. thanks!

[silverado_lover]

The 40 was a nice touch

[myzterray]

The 40 was a nice touch

lmao! i told my girl watch someone is going to say something about it i think it really ties the whole project together

[RedHeartbeat]

put a tape measure on it, what diameter? Could be an output shaft oring if it's large enough.

[myzterray]

put a tape measure on it, what diameter? Could be an output shaft oring if it's large enough.

not home right now but its about half the size of a spark plug lol so maybe 2 inches maybe less

[myzterray]

FML!!!!!! i just remembered when i put on the flywheel spacer i didnt use the longer bolts i ordered from jegs...i reused the original ones....should i be ok or should i go ahead and pull everything back out?

[RedHeartbeat]

not sure how you got it together with the shorter bolts but yes, pull it apart and put the correct bolts in it.