where is the oil pump and pickup screen located on a 1991 v6 2.9 ford ranger?

40

Asked by Jun 06, 2013 at 07:01 PM about the 1987 Ford Ranger XLT Extended Cab 4WD SB

Question type: Maintenance & Repair

Ok sometimes my oil pressure gauge drop to zero but it seems only when it is in 4 wheel drive 4 high,but pop back up to normal quick,and do not hear a rattling or noises,sometimes it stalls out,could that be the oil pump? or what could be the problem?

10 Answers

has to be at the bottom of the oil sump (a forged pan shape with a drain-hole at the bottom) someone has to undo these bolts think they're about 12 of them 7/16 (as I recall) drain the oil, pull off the pan (an electric drill makes short work of it) clean the screen and put the new gasket only on the pan side (after having scraped ALL the old one off)~torque around 14-18 pounds~ {star pattern}~

1 out of 1 people think this is helpful.

suckin' air? be sure there is enough oil in there in the first place~...achem...the motor and transmission mounts are probably not holding the drive train down, take a mechanics prybar to see if they separate easily~ This should smooth out the drivetrain~

1 out of 1 people think this is helpful.
40

Ok sometimes my oil pressure gauge drop to zero but it seems only when it is in 4 wheel drive 4 high,but pop back up to normal quick,and I do not hear a rattling or noises,sometimes it stalls out when in 4 wheel drive when i am just starting out,could that be the oil pump? or what could be the problem? Its is a 91 ranger V6 2.9L Manuel Any info will be appreciated. Thanks

3 out of 3 people think this is helpful.

well mr1925, the oil pump is sucking air....or the gauge acts up whenever 4wd is selected....any change in performance?...buy a mechanical oil guage what will not lie to you~ https://www.google.com/#q=mechanical+oil+gauge&source=lnms&tb m=shop&sa=X&ei=jhuxUZTCBsXLyQHVpYHQDA&ved=0CAkQ_AUoA w&bav=on.2,or.r_cp.r_qf.&bvm=bv.47534661,d.aWc&fp=882ade51959b 0806&biw=1280&bih=653

1 out of 1 people think this is helpful.
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thanks, no change in performance.

1 out of 1 people think this is helpful.

...well, a mechanical pressure gauge will not lie...I'll say that....but still grounding on your dash panel maybe we could look at? test various connections to ground with a multimeter?...there are many choices for mechanical ones that go with your dashboard~....just an idea~....if the car ain't a knockin...don't come a lookin'...I guess.~

21,845

Change the oil pressure sending unit. They're a known problem. Install a gauge and watch it perform. What you suggest is an uncommon problem an A LOT of work. Check it out first and make sure that there's a problem with the pump/pickup. $10 for a sender.

2 out of 2 people think this is helpful.
Best Answer
40

Ok where can I locate the oil pressure switch? thanks.

21,845

It's been a long time since I've worked on one. Left front of the block - down low

2 out of 2 people think this is helpful.
40

what kind of transmission oil,or gear oil does my 1991 2.9 ford ranger take? does the transmission take gear oil?

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