I have a '97 corolla 1.6L that is leaking oil from the front of the engine.It's getting on the serpentine belt and flipping everywhere. I'm going to replace the crank and cam seals along with the timing belt. Do you guys have any idea what other things might be leaking?
Has anyone replaced the gasket between the oil pump and the engine block? what is involved with this? I'd like to do this. Does it require removing the oil pan and relacing that gaskit too?
Thanks!
Also if anyone knows of a DIY thread for the generation 7 on doing the timing belt and seals thats would be great. I haven't been able to find one after hours of searching.
There should be a thread right here near the top of this forum about doing the timing belt. You'll have to scroll down in the how-to to get the instructions for the 4A-FE engine, though.
Ok, I changed the timing belt and all the seals. Started it up and oil began Spewing everywhere! I guess the cheap front crank seal i got from autozone came out. Does any one know if it is possible to push the front crank seal too far in to the oil pump? I may have done this and somehow blocked oil passage through the oil pump and then it blew... Should I put permatex liquid gasket around the outside of the crank seal to keep it in?
Also oil was leaking out of the alignment pin that the timing belt tensioner pulley fits over. This pin is right between the crank and the timing belt tensioner. Any idea why this would be leaking? Can I fill it with JB weld?
Usually all you have to do is smear some oil on the seal, and "drive" it into place with the right tools. I don't think you'll need the permatex, just oil for all the seals,
Thats what I thought. I applied some light grease to the seal and it slid in all the way using only my fingers to push it. I'm guessing I need an oem Toyota seal and not the cheapo one from autozone?
You need a special tool, I can't recall the name, to install the seal. You tap the one end with a hammer, lightly, the other "drives" the seal in so it forms a tight fit. Think of the seal like a washer for a kitchen or bathroom faucet.
If you pushed the seal in with your fingers its either the wrong seal or there is damage. Seals have to be FORCED in. Also using any kind of sealant on a seal would be asking for trouble.
Another problem on high mileage engines is the contact surface with the seal gets a groove worn in it so you still have leakage. You can get a repair kit that has a thin sleeve to repair the surface.
Oil cannot leak through the alignment pin.
Find your old seal and compare the numbers on the outside. They are the ID, OD and thickness in mm. Compare both seals to see if you have the right part.
Thanks for your input. I don't understand it either but I ran the car with the timing covers off and oil leaked from two places: the front crank seal which I had replaced and the alignment pin that holds the timing belt pulley in place. I pounded the hollow pin in further with a punch and hammer and most of that leak stopped. I filled the rest with JB weld.
Today I picked up an OEM Toyota crank seal from the Toyota dealer and am going to install it tomorrow and see if that fixes it. You are right that the crank might be worn down. I felt for that with my hands but did not feel a groove, not to say that there isn't one. I'm talking the oil was absolutely gushing out with the seal from autozone I installed. It was leaking before but not that bad. The seal did fit but where it was loose was between the oil pump housing and the outside circumference of the seal. Also the previous seal was loose there too and just fell out when i touched it. This is why I thought I could put just a little permatex liquid gasket between the outside of the seal and the oil pump housing. I don't see how this could hurt unless I got the gasket material into the oil pump...
Thanks for all of your help. This has been a nightmare beyond imagination for me.
A crankshaft oil seal must fit quite tightly to withstand the oil pressure built up inside the block. If not, it will gush and/or spray out as you described. Sounds like you got the wrong seal, or if they say it's the right size, it was manufactured quite poorly.
I believe you are right. Should have got the part from Toyota in the first place. Only $2 more any how. It was the right part just a crappy build I think since it slid right in with my fingers and no pounding was required.
Awesome. I tried replacing the AT pass. side axle seal with one from Advance and it would NOT go in no matter what I tried. Put the old one back in and hope it doesn't leak. I'll be getting one from Toyota if I have to take the axle out again.
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