Question about 1986 Toyota Pickup 4WD

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Front oil seal

I replaced thr front oil seal in my 1986 toyota pickup 4 whl drive 2.4 engine manual trans after i replace the crankshaft pulley i put all the parts back on ie;radiator shroud ect i start the engine and about a minute later the oil blows out and the seal pops out, there seems to be a gap between the seal and pulley, the pulley shaft has wear ridges on it someone said to put a carnkshaft sleeve to stop the leaking and keep the seal in place?

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  • Anonymous Mar 16, 2014

    toyota previa leaking oil front by front pulley

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Look up LC Engineering on the web, they have what's called a seal saver, it's a sleeve that goes on the back of the harmonic balancer/crankshaft pulley, it has a real fine/shiny finish and it works really well.

I use them myself. HAWK

Posted on Apr 09, 2009

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Try using a factory seal (oem), the new seal is made thinner , so the lip of the seal is away from the groove. No doubt the new seal you are using is as thick as the old one.

Posted on Feb 04, 2009

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  • Toyota Master
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They are right. The sleeve will seal against the crank seal. The ridges are what is letting the seal leak. I install sleeves quite often on older models, the success rate is pretty high.

Posted on Jan 15, 2009

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1 Answer

Front seal replacement


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NOTE: Some procedures may differ slightly due to engine
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Inspection
1) Handle timing belt carefully. Avoid twisting or kinking
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Installation
1) Pull tensioner fully toward water pump side and
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Courtesy of Isuzu Motor Co

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Hello,

Yes, it's possible to change the seal after removing the balancer.
If the balancer shows signs of scratching, wear at the place of the seal, change that part too!

To remove the old seal, drill 2 small opposite holes in the seal flange ( there is metal in it ).
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