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Old April 29th, 2008, 04:13 PM
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No oil pressure, cant seem to prime the oil pump

The 4.1 is in the car, but the oil pump doesn't want to prime. The oil pump was well packed with vaseline and drill was used to turn the oil pump, but cannot get it to pump oil. What could be wrong?

Mark
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1989 Turbo Trans Am #178, "291" 4.1 with ported irons and intake, rollerized valve train, 210/215 roller cam, PTS 9/11 3200 T/C, CPT66 BB, stock IC with Duttwieller neck in the works.

Previous combo: 11.79 @ 114.7 w/1.61 60' all time best with TA49. ATR bleed valve to control boost, Ext Chip - 23/19 timing, Translator Plus, LT1 MAF Sensor, 62mm T/B, ported plenum, 1" plenum spacer, 60# MotoTron injectors, Adj F/P reg, Walbro 340 F/P, Action Fab 3” D/P, freeflowing exhaust with testpipe, 110# valve springs, PTS 9/11 Lock-up 2800 T/C, BFG Drag Radials on stock rims, Spohn Adjustable Torque Arm, Global West Subframe Connectors, Spohn Adj Panhard Rod, Spohn Lower Control Arms
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Old April 29th, 2008, 07:14 PM
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Running the drill in the wrong direction??
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Old June 6th, 2008, 04:23 PM
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Well we eliminated as many "other" possibilities as we could before removing the front cover to see what may be the obstruction. The culprit has been revealed to be the front cover in that the oil feed from the pickup was not fully drilled through. Nice...huh? If we would have confirmed the no oil pressure problem when it was on on the engine stand, then it wouldn't have been as big of deal as it now.
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1989 Turbo Trans Am #178, "291" 4.1 with ported irons and intake, rollerized valve train, 210/215 roller cam, PTS 9/11 3200 T/C, CPT66 BB, stock IC with Duttwieller neck in the works.

Previous combo: 11.79 @ 114.7 w/1.61 60' all time best with TA49. ATR bleed valve to control boost, Ext Chip - 23/19 timing, Translator Plus, LT1 MAF Sensor, 62mm T/B, ported plenum, 1" plenum spacer, 60# MotoTron injectors, Adj F/P reg, Walbro 340 F/P, Action Fab 3” D/P, freeflowing exhaust with testpipe, 110# valve springs, PTS 9/11 Lock-up 2800 T/C, BFG Drag Radials on stock rims, Spohn Adjustable Torque Arm, Global West Subframe Connectors, Spohn Adj Panhard Rod, Spohn Lower Control Arms
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Old June 6th, 2008, 05:55 PM
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Quote:
Originally Posted by AKTURBOTA View Post
The culprit has been revealed to be the front cover in that the oil feed from the pickup was not fully drilled through. Nice...huh?
common thing with new GM covers
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86/87 GN and 89 TTA .. tons of parts !! Time to get out! Stuff has to go !!! Otherwise I am cutting it up and throwing it away email ttastage2@yahoo.com
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Old June 7th, 2008, 06:12 AM
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Hmmm, still due to prime mine (in the stand) and pretty sure I looked at this issue when I blueprinted my new front cover .... getting worried now

Anyway, I packed my gears with vaseline and will be using a drill to prime the pump. Should oil come out the pushrods (both driver and passanger side) so all I need to do is remove the valvecovers or should I look for oil somewhere else while priming? I also understand I should slowly move the crank around (full 360 ?) to make sure I get oil everywhere while priming?

Anything else I should do while priming in the stand (check for oil leaks of course but anything else)?
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