Fox T-Bird/Cougar Forums

Technical => Engine Tech => Topic started by: amooset on October 24, 2004, 07:13:23 PM

Title: Oil leak, 3.8 tbird
Post by: amooset on October 24, 2004, 07:13:23 PM
I've got a pretty good oil leak coming from the front of the motor.  It's running down the lower coolant hose and getting blown everywhere, causing a lot of smoke.  It's not a huge deal, The oil doesn't leak out that quickly, but I'd like to get it fixed.  Do I need to replace the timing cover gasket?  Is there anything else that can leak in that area?
Title: Re: Oil leak, 3.8 tbird
Post by: Cougar8775 on October 24, 2004, 09:22:57 PM
i had a simular prob with my 88. did u look at the oil filter and all that. is it leaking off the filter at all? but check the oil pan gasket and how far up the motor the oil goes and u can tell from how far up it is if its a valve  cover leak or a oil pan gasket leak.
Title: Re: Oil leak, 3.8 tbird
Post by: amooset on October 24, 2004, 11:47:15 PM
I know it's not the filter, Just replaced it and made sure it was sealed well, It may be the pan gasket, but the oil goes up pretty far on the motor.  There is no way it's the valve cover gaskets, both are new.  My last idea was the timing cover.
Title: Re: Oil leak, 3.8 tbird
Post by: Ifixyawata on October 25, 2004, 12:37:27 AM
Oh, another thing it might be is the Distributor O-ring, or even less likely, an intake gasket.
Title: Re: Oil leak, 3.8 tbird
Post by: jcassity on October 26, 2004, 10:12:11 PM
intake would not be a bad guess there dood nor would the dizzy o-ring.  its a  if it would be the timing cover gasket but you might as well buy a gear set and a water pump while your in there.

btw,, if you have not pulled this cover off before, for your own sake read up on how to do it first.  there will one allen head screw that you cant see in the lower pass side of the timing cover.  if you dont get that out, your gonna break something when you decide its time for the pry bar.

haynes manual specifically points it out by the use of a photo as well as a pictorial layout of the qty of screws involved in the task. 

also,, for your sake,, be gentle on the water pump bolts.  there a a few in there (lowest one) that are very very long but partially threaded.  they are slinder and if you muscle them off, they will break off in the engine block.
Title: Re: Oil leak, 3.8 tbird
Post by: Spyderrc10gt2 on June 09, 2005, 05:50:05 PM
my 3.8 t-bird has the exact same type of leak your describing. it could also be the front main seal, i'll probably end up replacing it sometime this summer
Title: Re: Oil leak, 3.8 tbird
Post by: Beau on June 10, 2005, 02:36:35 PM
Mine leaks oil too...
Not another fiasco like the headgaskets is it?  :hick:
Title: Re: Oil leak, 3.8 tbird
Post by: amooset on June 11, 2005, 06:04:01 AM
Wow, someone dug up an old thread.  I've since had the front leaks fixed.  It was the dampner seal and sending unit.  Now the rear main is starting to trickle.  With the high mileage, I'm just waiting for it to start burning.