Shifter23 Posted August 26, 2008 Report Share Posted August 26, 2008 Well i was wondering about advice with one of my 90 TGPs. It drives and shifts ok, but when sit at idle it sounds like it hums from the pump. Fluid level is good and doesn't smell burnt. At part throttle is seems to slip partially. Vaccum modulator is connected and everything else seems fine. I did notice the vaccum line that goes to the modulator has a splice for something else. I know this isnt factory do you guys think this may cause too much of a pressure loss to the modulator and cause weak TV pressure? Quote Link to comment Share on other sites More sharing options...
Garrett Powered Posted August 26, 2008 Report Share Posted August 26, 2008 If you are talking about the tee on the modulator, its for the boost bleed off and should have one on all your tgps. Quote Link to comment Share on other sites More sharing options...
Shifter23 Posted August 26, 2008 Author Report Share Posted August 26, 2008 No it is a splice of some sort to maybe a boost gage or something i just got the car. Quote Link to comment Share on other sites More sharing options...
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