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Old 08-01-2011, 03:58 PM
monkeyworkz monkeyworkz is offline
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Default dip stick question

Gotta love the title. I've noticed different length dip sticks for different years of 2.9 motors. The motor I just installed is out of a 90 ranger and after putting in 5 quarts of oil it still shows that I'm low about a quart. My low oil idiot light is on when the engine is running but how could it possibly be low a quart? Five quart jug of oil. Nothing leaks and it's not burning it so do I add another or just wait and watch. The pan is the same size as the old motor. The truck is not roadable yet but a quick run up my hill and the truck was pinging and rattling like crazy. The dip stick is the one that has "engine oil" marked on it. The motor I pulled out just had a bent loop that you pulled on but it is longer than this one and when I put it down the hole it came up as full. What do you think?
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Last edited by monkeyworkz; 08-01-2011 at 04:06 PM.
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Old 08-01-2011, 04:22 PM
SalRanger2 SalRanger2 is offline
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Default Re: dip stick question

so is the dipstick in this engine its original one?

i did some looking and found theyre all 5 quart. but different years could be different designs so could have a different dipstick shape/size.
http://www.therangerstation.com/tech.../2_9_Page.html

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also i think the oil light is for low pressure, but could be caused from not enough oil
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Old 08-05-2011, 06:44 PM
Earlyboomer Earlyboomer is offline
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Default Re: dip stick question

I had this problem with two 87 2.9Ls. Ford workers do the same thing Chevy V8 assemblers did. They didn't push the dipstick tubes in tight. I got a 3/4" x 3/4" by 1/8" angle and ground a taper on one end so I could slide it down into place and whack the other end with a hammer to tap them in all the way. Those V6s read full with 5 quarts of oil in them after that. Some problems are just simple stuff. This one is obvious if you get a flashlight and take a good look. The tube has a furl on it for this purpose.

I just reread your post. You can not use an oil light to figure how much oil there is in a engine. You could have half your oil out of an engine and still have oil pressure, but that could cause other problems like over heating. If you really want to check your oil pressure, take out the oil pressure sender and screw a regular gauge in there temporarily, as long as there is room. The threads on the gauge will be the same as the sender. I am talking about gauges you see on air compressors etc. This is what I did when my dash oil pressure indicator was acting up. I was worried about the oil pump, but it was fine.

Last edited by Earlyboomer; 08-05-2011 at 06:53 PM.
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Old 08-06-2011, 04:16 AM
monkeyworkz monkeyworkz is offline
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Default Re: dip stick question

Thanks John, I 've been re-roofing my house but plan on removing the sender and cleaning it first. The motor sat for a couple of years so I'll clean it and at the same time check the pressure. Thanks for the tip on the tube, I did notice that on a previous motor but forgot about it. I'll check that tomorrow.
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