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Unread 05-29-2013, 07:55 PM   #1
bestos
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1995 YJ Wrangler 
 
Join Date: Nov 2005
Location: Salisbury, MD
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overheated 95 2.5L - 2 leaks

overheated my jeep the other morning,

waterpump started leaking everywhere. replaced pump tonight. got it fired up - got it heated up

and a leak sprung up.

it is not coming from new Napa Pump, see pics





as you can see, it is not coming from crank pulley, or dripping down from water pump,

looks like it is coming from timing seal or actual oil gasket (WTF??)

what do i need to do????? i need my jeep back on road.

i was looking underneath best i could between the crankpulley and the timing cover and up to the new waterpump, i cant see where the new waterpump is leaking, this is scaring me,

can it actually leak from behind the timing cover??

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1995 YJ - 33" BFG KM2 - 4.88 w/ Aussie front locker. 2.5" OME. 5/8" shackle. 1" JKS body.
1991 YJ - 4.0 - Stock and banged up and recent purchase
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Unread 05-29-2013, 09:46 PM   #2
TA-YJ
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1992 YJ Wrangler 
 
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Location: Pennsylvania
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Is it oil or coolant thats leaking?
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1992 YJ 2.5L
Engine Mods:4.0L TB, Ford Design III 19lb Injectors, Firepower Ignition System, Ford TBird Electric Fan, Pacesetter Header, Magnaflow Cat, Dynomax Super Turbo Exhaust
Suspension Mods:BDS 2" Lift, M.O.R.E. 5/8" HD Shackles, 1" Brown Dog MML
Other:LED Tails and Herculined
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Unread 05-30-2013, 04:12 AM   #3
Jeepsr4me
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Water will not come out the timing cover. But there is a bolt that goes into the water jacket that if you did not put sealant on it will leak. This or you did not get gasket right, or the hose clamp is not on. ORRRRR bad pump ORRR its just coolant that was there and will go away in a few minutes..
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Unread 05-30-2013, 04:15 AM   #4
bestos
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its coolant, its yellow, there were no drips after i put on pump, started motor, ran for 15min, then i start seeing drops, when i checked the 4 bolts, i didnt see where they went into the block or into the timing cover, but i did not put any 3M on the bolts, should i have?
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1995 YJ - 33" BFG KM2 - 4.88 w/ Aussie front locker. 2.5" OME. 5/8" shackle. 1" JKS body.
1991 YJ - 4.0 - Stock and banged up and recent purchase
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Unread 05-30-2013, 04:15 AM   #5
bestos
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hose clamp leak will drip off the lower hose, had taht problem earlier, not this time.

FSM doesnt say anything about RTV on threads of 4 WP bolts
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1995 YJ - 33" BFG KM2 - 4.88 w/ Aussie front locker. 2.5" OME. 5/8" shackle. 1" JKS body.
1991 YJ - 4.0 - Stock and banged up and recent purchase
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Unread 05-30-2013, 04:26 PM   #6
bestos
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bump
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1995 YJ - 33" BFG KM2 - 4.88 w/ Aussie front locker. 2.5" OME. 5/8" shackle. 1" JKS body.
1991 YJ - 4.0 - Stock and banged up and recent purchase
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Unread 05-30-2013, 09:03 PM   #7
Jeepsr4me
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You going to have to look. We can not do that for you. Its coming from somewhere. I seem some of the bolt holes that go into the water jacket not be blind. So check around the bolts. Did you use RTV and new Gasket? Hose is very likely to do this if not on the right way or cracked. Seen new ones with slit cut in it from the Tag
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Unread 05-30-2013, 11:23 PM   #8
TA-YJ
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None of the bolts from my water pump had any type of sealant on them and I never put any on when I put it back it. Did you use any type of sealant on the gasket? It could be a leak there and its running down your timing cover and dripping from your oil pan.
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1992 YJ 2.5L
Engine Mods:4.0L TB, Ford Design III 19lb Injectors, Firepower Ignition System, Ford TBird Electric Fan, Pacesetter Header, Magnaflow Cat, Dynomax Super Turbo Exhaust
Suspension Mods:BDS 2" Lift, M.O.R.E. 5/8" HD Shackles, 1" Brown Dog MML
Other:LED Tails and Herculined
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Unread 05-31-2013, 04:44 AM   #9
bestos
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i used the BLACK 3m weather stripping seal on both sides of the gasket, both sides, should i use RTV instead? and not on both sides. Tonight, im gonna run the jeep for 20 min, heat it up, get the leak going, and then get the belt off and WP pulley and see if i can see the leak.
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1995 YJ - 33" BFG KM2 - 4.88 w/ Aussie front locker. 2.5" OME. 5/8" shackle. 1" JKS body.
1991 YJ - 4.0 - Stock and banged up and recent purchase
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Unread 05-31-2013, 09:42 AM   #10
Jeepsr4me
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Not sure on the weather stripping being the right stuff... RTV is what you use. I like the gray, or black. And yes, a very thin coat on both metal surfaces. Let set for a couple of minutes and then stick the gasket on and put pump back in.
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Unread 05-31-2013, 10:35 PM   #11
TA-YJ
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1992 YJ Wrangler 
 
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Yeah Ive never heard of using weather stripping sealant on engine parts either. I use indian head gasket sealer (also called aircraft sealant) on almost everything gasket I use as opposed to RTV. It might be worth picking up some to use in the future.
__________________
1992 YJ 2.5L
Engine Mods:4.0L TB, Ford Design III 19lb Injectors, Firepower Ignition System, Ford TBird Electric Fan, Pacesetter Header, Magnaflow Cat, Dynomax Super Turbo Exhaust
Suspension Mods:BDS 2" Lift, M.O.R.E. 5/8" HD Shackles, 1" Brown Dog MML
Other:LED Tails and Herculined
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