Oil Leak Problem - Need Help
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From: Festus
Oil Leak Problem - Need Help
I have a 1995 F-150 with the 4.9L 300 I6 with 236,000 miles and I'm having many oil leaks, but I cant seem to find the problem. I know I have a bad rear main seal, but I can always get to that another day cause it's not bad. But I've replaced the oil sending unit, oil pan gasket, and the oil pan drain plug and gasket thinking it would help because there was oil on the bottom of the oil pan by the plug. But none of those helped. I drove it today and the oil pressure gauge kept going back and forth randomly when I would drive it, which I would think is the oil pump going bad. But I don't know if the oil pump would leak oil, so I was thinking the leak would be coming from the valve cover or lifter cover, but I'm not sure and I'm not at home until Friday to fix it.
If anyone can help it would be greatly appreciated. I just don't know where to start looking next for the leaks and I'm lost so I need help. Thanks!
If anyone can help it would be greatly appreciated. I just don't know where to start looking next for the leaks and I'm lost so I need help. Thanks!
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Joined: Mar 2005
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From: Mexico, Missouri
I would go to the car wash and spray it down good in the area you think is leaking. Then judge if it's the valve cover, pan gasket, or rear main seal.
Also, are you going off the dummy oil gauge in the dash, that reads between "L NORMAL H", or a real mechanical or digital oil psi gauge? That gauge in the dash is worthless unless you have done the oil psi modification for the cluster.
Also, are you going off the dummy oil gauge in the dash, that reads between "L NORMAL H", or a real mechanical or digital oil psi gauge? That gauge in the dash is worthless unless you have done the oil psi modification for the cluster.
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From: Festus
Ya I think I'm gonna have to clean it off when I get home on Friday and find out what the problem is.
I'm goin off the gauge on the instrument cluster, but it's never done this before. It always stays within R and M and never changes until recently, where it's been near N and O a lot. It's just weird it starts happening when everywhere starts leaking oil.
I'm goin off the gauge on the instrument cluster, but it's never done this before. It always stays within R and M and never changes until recently, where it's been near N and O a lot. It's just weird it starts happening when everywhere starts leaking oil.
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From: san jose
Check the push rod cover on the driver side of the engine. Goes along the full side behind the distributor. There is six or seven 1/2 bolts. Sometimes there loose, sometimes the gasket takes a ****. Replace it. Common problem.
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From: Festus
Oh ya, I forgot about the push rod cover cause v8's usually don't have push rod covers, I don't think.. I'm in automotive in college and I'm taking a class and I'm gonna ask my instructor and see what he has to say about it. Thanks for all the comments and if you have any more suggestions on what could be the problem please let me know!
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From: san jose
take a look at that just get a flashlight and look on the side of the engine you will see if there's any oil leaking for build up on the side of the engine where the push rod cover is. Like other suggest I would steam clean or pressure wash the engine and go from there
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From: Festus
I just looked on the side of the engine about an hour or 2 ago and noticed a lot of build up on there, so I'm guessing it's the valve cover gasket or push rod gasket, so I'll probably end up replacing both of those this weekend and hope that fixes most of the leaks.
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From: san jose
You can take a pretty good guess at whats leaking by the location of the build up above the push rod gasket will either be valve cover only or both valve cover and push rod cover.around the push rod cover and lower will most likely be the push rod cover gasket. You get the idea
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