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1989 Toyota Corolla Twincam Issues

Tiny
TWINCAM_CHINA
  • MEMBER
  • 1989 TOYOTA COROLLA
Engine Mechanical problem
1989 Toyota Corolla 4 cyl Front Wheel Drive Manual rebuil miles

I have a corolla 4age series 3 engine.I rebuild the complete engine and now at my intake cam there's a clapping sound. After research I found out its because the cam have insufficient oil.I replaced the oil pump since there isn't enough oil pressure(so somebody told me). The problem still persists. While the engine run I took off the intake cam cover and normally the oil would squirted out but this isn't the case only a small margin is squirted out.
ANY help would be appreciated because I'm hopeless after a whole year without my dear car.
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Saturday, August 15th, 2009 AT 3:26 AM

3 Replies

Tiny
MMPRINCE4000
  • MECHANIC
  • 8,548 POSTS
Remove the oil pressure sender and measure oil pressure with mechanical gauge.
Normally on these engines removing the valve cover and starting the engine would result in oil all over the place.
If you are not getting oil to the cam caps, you take a good chance of ruining them.

I would also check the shim clearence.

But you most likely have a plugged oil galley, you can try a engine flush.
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Saturday, August 15th, 2009 AT 8:39 AM
Tiny
TWINCAM_CHINA
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Thanks alot mmprince4000
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Wednesday, August 19th, 2009 AT 3:45 AM
Tiny
MMPRINCE4000
  • MECHANIC
  • 8,548 POSTS
You may wind up having to remove head, and hot tank it.

The 4AGE is rare, most Corolla's came with the 4AFE or 4ALC.
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Wednesday, August 19th, 2009 AT 8:42 AM

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