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Old 17 August 2006, 10:49 AM
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Jap Import
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Default Crank Drive Oil Seal

I've recently had a crank drive oil seal replaced.

The 1st garage I took it to did'nt do the job right so I took it to another.

About 6 weeks has passed and I reckon it's bloody gone again.

Can you get uprated seals for higher BHP cars?

Any thoughts?

Within 8 weeks I've had to seals and 2 cam belts (belts may have had oil contamination).

Cars a classic RA

Cheers
Old 17 August 2006, 12:36 PM
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gaz-cole
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the seal shouldnt have gone twice in such a short period of time if done absolutley right youve either got excess crankcase pressure(check the breathers) or a problem with the pump.
Old 17 August 2006, 03:37 PM
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cheers gaz
Old 17 August 2006, 04:29 PM
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bowsaaa
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or the shaft could have a slight defect in it causing it to wear the seal quicker.
Old 17 August 2006, 08:53 PM
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gaz-cole
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yes bowsaaa ive actually seen a grove worn in the crankshaft on v high mileage engines worth a look
Old 17 August 2006, 09:09 PM
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merlin24
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groove on the snout of the crank or excessive end float
on the crank main bearing thrusts on higher mileage/well thrashed/abused engines.
Old 17 August 2006, 09:19 PM
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morpheous
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Are you sure its the c/shaft seal ?
Done a job for a guy with a similar prob,turns out it was the washer seal on the pressure release valve and not the c/shaft seal.

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Old 17 August 2006, 11:22 PM
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Originally Posted by morpheous
Are you sure its the c/shaft seal ?
Done a job for a guy with a similar prob,turns out it was the washer seal on the pressure release valve and not the c/shaft seal.
where will i find this P R valve
Old 19 August 2006, 06:56 PM
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merlin24
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Pressure Relief Valve shown below - 10mm Allen Key on the retaining cap
with an aluminium sealing washer under it



Old 20 August 2006, 11:25 AM
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Jap Import
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Damn, your helpful

Turned out it was the oil seal again.

The first garage did'nt do the job right, but the second did.
They took it apart friday and they said it had pushed the seal out slightly.
All breathers were checked to see if they were blocked.

They say if it happens again I will need an oil pump.

So I'm getting an oil pump anyways.

Thanks for your help
Old 20 August 2006, 11:32 AM
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Just had a look around online for oil pumps.

Every1 seems to go in the direction of a modified/uprated pump.

So I'm guessing if it's time to change mine then it's best to get say a ggr one?
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