Oil Leak Mystery!?!?

F

FastSVO

Founding Member

Jun 28, 1999

193

3

18

Los Angeles

May 26, 2009

#1

• May 26, 2009

• #1

Hey guys,

I have some oil leaks coming from around the oil pan area. At first I thought it was coming from the lower drain plug, which I replaced with a new Ford unit (newer style with built in O-ring). Cleaned everything up and the next day I get under the car to take a look and still find evidence of a couple of leaks.

I am going with RMS seal and the side oil level sending unit that bolts into the side of the oil pan....what do you guys think?

 

mc0311grunt

Member

May 24, 2009

86

1

6

Los Angeles

May 26, 2009

#2

• May 26, 2009

• #2

oil pan gasket? Rear main seal

 

tacomatrx450f

Member

May 24, 2009

33

0

7

May 27, 2009

#3

• May 27, 2009

• #3

rear main seal... sucks after you fix yours fix mine to

 

R

rwood126

Member

Feb 20, 2009

161

3

16

mCdONOUGH, GA.

May 28, 2009

#4

• May 28, 2009

• #4

Looks like your oil level sensor gasket is leaking too... part# E9DZ-6C626-B. Change it when you change your oil next... and also go with a thicker oil and a quart of Lucas engine oil stop leak.

It will slow your leak down a good bit....

 

blackstangt

Member

May 31, 2004

460

1

19

ny

May 28, 2009

#5

• May 28, 2009

• #5

rwood126 is correct, the rear main seals get pushed out all the time...

I would add the lucas, but remember that the 'w' in '5w30' is not the weight, it's the low temperature rating (Winter).

 

Mustang5L5

That is…until I whipped out my Bissell

Mod Dude

Feb 18, 2001

43,249

17,934

224

Massachusetts

May 28, 2009

#6

• May 28, 2009

• #6

Check your PCV system. Often Rear main leaks are caused by pressure inside the crankcase forcing oil out. The RMS is a weak pressure point.

 

blackstangt

Member

May 31, 2004

460

1

19

ny

Jun 17, 2009

#7

• Jun 17, 2009

• #7

Hey, if you haven't fixed it yet, check you rear lower intake gasket. My cork ones didn't seal in the front or back for very long. Much easier than changing the rear main seal.