Tat..Tat Noise in Engine

[Grant Lenahan]

Good point.

On some of the newer engines its a bit more work.
So I constantly ask "does it do harm?".  The porsche guys have their 
laky rear main seals.
Much howling.  But no one seems to know what long term damage it does. 
I'd guess dirty floor :-)

Happy 4th weekend

Grant
On Jul 4, 2006, at 12:24 AM, Peter Golledge wrote:

> Grant,
>
> Maybe no harm in leaving them rattle... The last lot I bought were USD 
> $7 ea
> so for $70 it was worth it not to have the rattle.  If you are doing 
> the
> timing belt it probably only adds an hour of labour also.
>
> Regards
> -- 
> Peter Golledge
>
> -----Original Message-----
> From: Grant Lenahan [mailto:glenahan at fastmail.fm]
> Sent: Monday, July 03, 2006 6:55 PM
> To: Peter Golledge
> Cc: 'Max Hoepli'; 'Quattro at AudiFans'
> Subject: Re: Tat..Tat Noise in Engine
>
> Why change them at all? I just let 'em make noise.
> Went on happily for >200k miles (many years ago).
> Does this lead to something bad?
>
> Grant
> On Jul 3, 2006, at 8:24 PM, Peter Golledge wrote:
>
>> Max,
>>
>> If the lifters have never been replaced then it is very likely they
>> are the cause.  Replace the whole lot otherwise you will be pulling
>> the camshaft again.  You should be changing the timing belt at 300,000
>> km so I would do it then or do the timing belt early.  Since you have
>> to mess with the water pump/belt to get the camshaft out you might as
>> well do the whole lot at the same time.
>>
>> -----Original Message-----
>> From: quattro-bounces at audifans.com
>> [mailto:quattro-bounces at audifans.com] On Behalf Of Max Hoepli
>> Sent: Monday, July 03, 2006 5:28 PM
>> To: urq at pacbell.net
>> Cc: audi s-cars list; Quattro at AudiFans; 200q20v at audifans.com
>> Subject: Tat..Tat Noise in Engine
>>
>> I have a MC engine in Type 44 Quattro, with turbo charger  with
>> 285,000 km.
>> when idling it makes a tat...tat....tat......tat.......tat...noise
>> from top
>> part of engine. When inside of car noise is not heard. Engine never
>> overheats, starts immediately. Sometimes there is white smoke coming
>> out of exhaust just after starting. I alternately fill tank with RON
>> 89 and 91.
>> What could problem be?...if any? Gasoline may be issue. Could Rislone
>> additive help?
>>
>>
>> Max
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