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Old 24-02-2008   #1
Tina The White Cinq
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Unhappy Tappet Noise - Exactly How To Fix It?

My '94 Fiat Cinq 899cc is making that popular tapping tappet noise. My dad seems to think that that there is something blocking the oil? and I seem to think its the shims. So can anyone shed any light on this?

Cheers
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Old 24-02-2008   #2
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Re: Tappet Noise - Exactly How To Fix It?

Dad is right. They're hydraulic tappets, therefore no shims.
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Old 24-02-2008   #3
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Re: Tappet Noise - Exactly How To Fix It?

mines doing the same how would i fix it

danny t
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Old 24-02-2008   #4
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Re: Tappet Noise - Exactly How To Fix It?

Ah I see, so how would I go about unblocking the blockage?

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Old 24-02-2008   #5
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Re: Tappet Noise - Exactly How To Fix It?

Use the search engine and you'll find Rallycinq's rather radical solution.......
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Old 24-02-2008   #6
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Re: Tappet Noise - Exactly How To Fix It?

I cant find it
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Old 24-02-2008   #7
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Re: Tappet Noise - Exactly How To Fix It?

Also, I've recently changed the oil and oil filter

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Old 24-02-2008   #8
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Re: Tappet Noise - Exactly How To Fix It?

They are hydraulic but they are supposed to be preloaded. I removed them filled them with oil, set the preload and the noise stopped.

Rich.
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Old 24-02-2008   #9
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Re: Tappet Noise - Exactly How To Fix It?

OK, here we go again.

The tappets sometimes clatter because they are gummed up with old oil or dirt from oil that hasn't been changed regularly enough.

This method is not guaranteed to work, but is cheaper than buying a pair of tappets far less than a full set. It also does not require the engine to be dismantled in any way.

Follow the method carefully, there are no short cuts.

1, Go and buy two oil filters and a gallon of diesel.

2, Run the engine until warm, switch it off.

3, Drain the oil and remove the filter.

4, Refit the drain plug, fit one of the new filters.

5, Put the diesel in the oil filler. Yup, thats right, fill the sump with diesel. No honest, thats exactly what I mean. Its a thin oil, do not panic.

6, Start the car, DO NOT USE THE ACCELERATOR AT ALL.

7, Run the car, you may increase the engine speed to a fast idle. No more than slightly above idle. About 10 - 15 minutes will do it.

8, Drain the diesel from the sump, have a look at how dirty it is. Diesel contains detergents. Remove the oil filter.

9, Let it all drip out, do not rush.

10, When its all out, refit the sump plug and fit your second filter.

11, Fil with good quality 10/40 or 15/40 oil.

12, Start and drive. If the tappets are quieter, all well and good. If not, then either live with the noise or replace them.

Cheers

D
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Old 24-02-2008   #10
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Re: Tappet Noise - Exactly How To Fix It?

Ok thanks all, bit of a bummer because I just replaced the oil and oil filter last wednesday lol

Cheers
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Old 24-02-2008   #11
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Re: Tappet Noise - Exactly How To Fix It?

Quote Originally Posted by Ratters View Post
Ok thanks all, bit of a bummer because I just replaced the oil and oil filter last wednesday lol

Cheers
If the oil is still clean, then save it after you have removed it, and only get one new filter. Leave the current new filter while you use the diesel, then add the new filter before putting the oil back in.

If your new oil is dirty, then you can see where the problems lie.

Cheers

D
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Old 24-02-2008   #12
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Re: Tappet Noise - Exactly How To Fix It?

Ah nice idea

Cheers
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Old 24-02-2008   #13
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Re: Tappet Noise - Exactly How To Fix It?

hmm.. david, shall i try the above method ??
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Old 24-02-2008   #14
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Re: Tappet Noise - Exactly How To Fix It?

Quote Originally Posted by ycming View Post
hmm.. david, shall i try the above method ??
No

Cheers

D
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Old 25-02-2008   #15
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Re: Tappet Noise - Exactly How To Fix It?

i may consider this...
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