jp71ss Posted November 22, 2013 Share Posted November 22, 2013 Well I finally put the old motor back in the wagon after fixing the manual trans snout and replacing the oil plate with the metal one. It fired up and purrs like a kitten but I still have the stupid oil leak! Where are other places to look for leaks that drip off the oil pan? It has 120,000 miles on it and the head gaskets were just done before I got it. Link to comment Share on other sites More sharing options...
monkeyposeur Posted November 22, 2013 Share Posted November 22, 2013 Rear main seal, valve covers, cam seal, crank seals, oil pump seal, possibly the oil pan seal but not likely. Oil filter gasket. Did you clean the motor really good? It could be old gunk melting. Link to comment Share on other sites More sharing options...
jp71ss Posted November 22, 2013 Author Share Posted November 22, 2013 I did replace the rear main seal too, I forgot about that. Yeah the motor was clean. It is fresh oil coming out. The guy that did the head gaskets said he did the timing belt but I don't know for sure. I have a new motor that I built for but decided to put the old one back in because it never heated, I just replaced the rear plate and main seal. Didn't see any evidence of the valve covers leaking but I will have to get under there and look harder. Just needing some ideas of where to look. Link to comment Share on other sites More sharing options...
snederhiser Posted November 22, 2013 Share Posted November 22, 2013 Hello; Going to make a wild guess that the oil pump is leaking! This will travel to the rear of the pan and looks like the back of the motor is leaking. I also replaced the valve cover gaskets and the cam seals while I was in there, Steven. Link to comment Share on other sites More sharing options...
Highflyr Posted November 25, 2013 Share Posted November 25, 2013 did you replace the little o-ring on the oil pump? Link to comment Share on other sites More sharing options...
jp71ss Posted November 26, 2013 Author Share Posted November 26, 2013 I didn't take the oil pump off so no I didn't do the o ring. It kinda looks like it is below the oil pump towards the passenger side. I haven't took the belt off yet. I don't want to pull the motor but I do have a rebuilt 2.5 on the stand if I need it. Link to comment Share on other sites More sharing options...
monkeyposeur Posted November 26, 2013 Share Posted November 26, 2013 How much is it leaking? A slow drip isn't a big deal if you keep an eye on it and top off the oil. It might be a cam seal. If your power steering pump is leaking that can look like an oil leak. Link to comment Share on other sites More sharing options...
Headtrauma89 Posted November 26, 2013 Share Posted November 26, 2013 Yes. Unfortunately it is common for someone to replace the timing belt and neglect to change the components, water pump, cam seals, crank seal and reseal the oil pump while they are right there. I would have to agree with the above statements, that it's probably the oil pump or a cam/crank seal. Link to comment Share on other sites More sharing options...
jp71ss Posted November 26, 2013 Author Share Posted November 26, 2013 It is more than a slow drip. I didn't do anything to the motor except for the rear of it. Most was already done before I bought it. I am going to replace the seals but on the oil pump I only put sealer right? I don't remember a gasket from the other motor on the stand. Link to comment Share on other sites More sharing options...
Headtrauma89 Posted November 26, 2013 Share Posted November 26, 2013 The oil pump uses RVT sealer AND a small o-ring. Generally the dealership has the o-ring. When applying the RVT make sure not to put it on too thick. If its too thick then it can squeeze out, and a glob can break off and clog up your oil pump. So when applying use a thin coat and spread it with your finger. Link to comment Share on other sites More sharing options...
jp71ss Posted November 26, 2013 Author Share Posted November 26, 2013 Thanks Link to comment Share on other sites More sharing options...
jp71ss Posted November 26, 2013 Author Share Posted November 26, 2013 Well I guess I can't blame the o ring in the oil pump for the possible leak. It didn't have one! I guess I will know for sure when I get it back together. Link to comment Share on other sites More sharing options...
Headtrauma89 Posted November 26, 2013 Share Posted November 26, 2013 What do you mean it didn't have one? Like it was missing? If so, that would definitely cause a leak... Link to comment Share on other sites More sharing options...
jp71ss Posted November 27, 2013 Author Share Posted November 27, 2013 They had silicone in there but no o ring. Link to comment Share on other sites More sharing options...
twisty Posted November 27, 2013 Share Posted November 27, 2013 did you tighten the bolts and clean out the pump while you had it out? Link to comment Share on other sites More sharing options...
jp71ss Posted November 27, 2013 Author Share Posted November 27, 2013 Yep Link to comment Share on other sites More sharing options...
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