have to change the crank seal. Question.

stng87 · 05-03-2001, 07:34 PM

its leaking pretty bad so Iknow that Ihave to change it but I want to get the right one and Im not sure if I need the one that goes in from the inside of the timing cover or the one that goes in from the outside. Is there any way to tell easily? Its an 87 LX 5.0.

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1987 black with t-tops. Cobra intake, 1.7 cobra crane rollers, gt40p's, bbk shorties, off road h-pipe, adj. FPR, rebuilt aod w/shift kit, 65mm TB, 4.10's 12.90's at best probably less, oops I mean worse.
*** AOD's. IT'S MANUAL! Now for the T-5z!
Semper Fi

Capri306 · 05-04-2001, 12:01 AM

You should be able to do one of two things. Either go to a good parts store and see what the seal looks like, or look up underneath and see if there's a flange from the seal sticking out. If there is a flange, it's external. If not, the timing cover is gonna have to come off, so be sure to pick up a timing cover gasket set (Fel-Pro makes an excellent kit).

p.s. be sure to inspect the harmonic balancer for a groove in it from the seal. I'm willing to bet you have one if it's the original. In this case either replace it entirely or get a repair sleeve.

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Capri306, Moderator, The Mustang Works Online
1979 Mercury Capri, 5.0L -- C4 -- 2.73
1987 Mustang LX Notch

05-03-2001, 07:34 PM	#1
stng87 Registered Member Join Date: Sep 2000 Location: southern california Posts: 329	have to change the crank seal. Question. its leaking pretty bad so Iknow that Ihave to change it but I want to get the right one and Im not sure if I need the one that goes in from the inside of the timing cover or the one that goes in from the outside. Is there any way to tell easily? Its an 87 LX 5.0. ------------------ 1987 black with t-tops. Cobra intake, 1.7 cobra crane rollers, gt40p's, bbk shorties, off road h-pipe, adj. FPR, rebuilt aod w/shift kit, 65mm TB, 4.10's 12.90's at best probably less, oops I mean worse. *** AOD's. IT'S MANUAL! Now for the T-5z! Semper Fi

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05-04-2001, 12:01 AM	#2
Capri306 Moderator Join Date: Sep 1998 Location: Grand Rapids, Michigan, USA Posts: 1,001	You should be able to do one of two things. Either go to a good parts store and see what the seal looks like, or look up underneath and see if there's a flange from the seal sticking out. If there is a flange, it's external. If not, the timing cover is gonna have to come off, so be sure to pick up a timing cover gasket set (Fel-Pro makes an excellent kit). p.s. be sure to inspect the harmonic balancer for a groove in it from the seal. I'm willing to bet you have one if it's the original. In this case either replace it entirely or get a repair sleeve. ------------------ Capri306, Moderator, The Mustang Works Online 1979 Mercury Capri, 5.0L -- C4 -- 2.73 1987 Mustang LX Notch