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Old 06-20-2019, 10:28 AM   #1
onlinebiker
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Default Replace or no?

When you put a DOHC timing cover on - do you replace the oil pump seals every time?

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Old 06-20-2019, 11:19 AM   #2
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Default Re: Replace or no?

Aka timing cover seals..

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Old 06-20-2019, 11:28 AM   #3
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Default Re: Replace or no?

I've not bothered. Unless of course you're having issues.

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Old 06-20-2019, 12:31 PM   #4
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Default Re: Replace or no?

I can confirm that not having seals is bad.

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Old 06-20-2019, 12:53 PM   #5
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Default Re: Replace or no?

Are you talking about the O-rings for the oil passages, the front crank seal, timing cover to pan, VC gasket, what?

I would leave the pan gasket there and evaluate the valve-cover gasket, but replace all else. Those are pretty cheap, and it is sure a hassle to get the cover off and replace them later if a leak does soon develop.

At minimum, replace the pump O-rings, those are very cheap and very vital; and you might not even be aware that one is leaking before there is engine damage, as the leak would be internal to the engine.

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Old 06-22-2019, 09:16 PM   #6
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Default Re: Replace or no?

> replace the pump O-rings, those are very cheap

+1 Old Might work, but seals compress with duration >risky<

Some places sell just the oil pump seal orings alone.... or used to.

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Old 06-22-2019, 10:32 PM   #7
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Default Re: Replace or no?

Quote:
Originally Posted by onlinebiker View Post
When you put a DOHC timing cover on - do you replace the oil pump seals every time?
Yes, because they age and can fail. When they fail, either one, the engine is now also scrap aluminum.

Rock Auto called a Timing Cover Seal kit and includes the crank seal but I only use a FelPro or Victor on that crank.

There is no oil pan gasket. Always use a new cam cover gasket.

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