Question about 1999 Ford Expedition

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Oil leak 99 expedition passenger side close to transmission

Just changed valve cover gaskets. no more oil from there. its close to trans and leaks on to exhaust causing smoke

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  • Contributor
  • 35 Answers

Main shaft oilseal to be replaced

Posted on Feb 07, 2014

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

maklean
  • 1665 Answers

SOURCE: Ford Windstar oil leak

Most possible oil leaks from valve cover rubber oil seal. Remove valve cover, inspect , clean surfaces, and replace with new rubber oil seal .
Good luck!
Thanks for using fixya.

Posted on Oct 19, 2008

dealt_soul
  • 296 Answers

SOURCE: Oil Leak Valve Cover

If it is leaking around the valve cover then that is the problem. Just remove the bolts from the valve cover in a cross pattern (ex. back right - front left and go back and foward and work till you make it to the middle. Go purcahse a valve gasket for both right and left and replace them. Tighten in the same cross pattern and be careful no to pinch the gasket.

Posted on Feb 15, 2009

  • 316 Answers

SOURCE: After replacing valve cover gasket with dry fel-pro gasket,

Your new gasket has tabs that make it easy to set in place; the tabs hold the position properly on the cylinder head. The gasket also has the rubber coating to establish a tight seal between the cylinder head and the the valve cover, even if there is slight damage or warping. Proper torque for the valve cover bolts is between 50-100 in-lbs., which is about 8 ft-lbs for a maximum.

If you have the gasket properly set, and proper torque on the valve cover bolts, you should not leak.

If you still experience a leak after double checking the gasket and the bolt torque, I would replace the valve cover itself. You will find several at most any salvage yard, and probablly will cost you $10.00 or less for a used valve cover.

I hope this helps you, and I wish you luck on your repair.

Posted on Apr 23, 2009

  • 43 Answers

SOURCE: 1984 F150 302 Had oil pan gasket and both valve cover gaskets

If you have oil coming down between the transmission and the engine where they meet your problem is with the rear main seal. It seals the back of the crankshaft so no oil comes out. Over time it tends to leak especially if the oil changes haven't been done on time or you live on dirt roads. Where the transmission and engine meet there should be a metal shield but it may be already removed. Just pry that back and see if there is oil. Depending on the color tells your rear main seal for the engine or the front seal on the transmission. Hope that helps.

Posted on Jul 20, 2009

emissionwiz
  • 75051 Answers

SOURCE: 2000 ford focus oil leak

Sounds like the valve cover gasket, clean off all the oil on the engine with a pressure washer or a steam cleaner and then drive it and recheck for the leak, that way you can pin it down for sure.

Posted on Oct 19, 2009

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