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944 S2 bearing type noise on warm up
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CarGuru > Porsche > 944 S2 bearing type noise on warm up 22 April 2005 11:08:09
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944 S2 bearing type noise on warm up

Paul 21 April 2005 22:02:44
 when the car is warming up during driving conditions I get a noise like a
seized bearing ( a moaning type sound) between 1 and 2k revs. It does not do
it when cold or when fully warmed up. If I stop after full warm up for 10/20
mins then restart it comes back. It is driving me round the twist as no-one
can find the point of noise.
Any help would be appreciated.....

Paul


Add comment
Darthpup 22 April 2005 00:49:00 [ permanent link ]
 Probably the clutch throw out bearing. Or the cam belt tensioning
pully bearing.
Go to auto shop and get a mechanics stethoscope and poke aroung until
you find problem area.

Add comment
Paul 22 April 2005 02:33:42 [ permanent link ]
 just fitted a new clutch , so i'll have a look at the belt tensioners
"darthpup" <amchitka@mailexcit­e.com> wrote in message
news:1114116540.065­459.121580@f14g2000c­wb.googlegroups.com.­..> Probably the clutch throw out bearing. Or the cam belt tensioning> pully bearing.> Go to auto shop and get a mechanics stethoscope and poke aroung until> you find problem area.>


Add comment
William_b_noble 22 April 2005 06:28:09 [ permanent link ]
 listen carefully - I'll bet it's the fuel pump, or something to the rear of
hte car - I've heard this too, it comes and goes - never isolated the
problem, but I did put over 100K miles on the car with the sound happening
occasionally. Could also be an idler wheel bearing, PS pump, etc - first
trick is to try to localize it
"Paul" <pdenyer@btinternet­.com> wrote in message
news:d48ps4$5n3$1@s­parta.btinternet.com­...> when the car is warming up during driving conditions I get a noise like a> seized bearing ( a moaning type sound) between 1 and 2k revs. It does not
it when cold or when fully warmed up. If I stop after full warm up for
10/20> mins then restart it comes back. It is driving me round the twist as
no-one> can find the point of noise.> Any help would be appreciated.....>
Paul>


Add comment
Devils944S2 22 April 2005 08:16:57 [ permanent link ]
 Paul had the same issue with my S2. I too had a new clutch and throw out
bearing and was mystified at the problem. Here is what it was...I had a
leaky PS rack, therefore the PS pump tended (with the release of fluid) to
moan. As you know the 944 PS system is variable, so as your RPM increased
the pump was under less stress and the noise went away. I replaced the rack
and the noise went away. Except...on spirited driving days I get a slight
moan if the fluid is slightly low. My old wrench figures the pump is getting
on in years, but should hold up for a few more. If mine starts the moan
heavily again...a new pump is not that expensive..
"Paul" <pdenyer@btinternet­.com> wrote in message
news:d48ps4$5n3$1@s­parta.btinternet.com­...> when the car is warming up during driving conditions I get a noise like a > seized bearing ( a moaning type sound) between 1 and 2k revs. It does not > do it when cold or when fully warmed up. If I stop after full warm up for > 10/20 mins then restart it comes back. It is driving me round the twist as > no-one can find the point of noise.> Any help would be appreciated.....>
Paul>


Add comment
Paul 22 April 2005 11:08:09 [ permanent link ]
 thanks for the tip , fitted a new pump 2k miles ago because i thought it was
that , will check rack
"Devils944S2" <devils944@nospam.n­et> wrote in message
news:krWdnRSAysYl5_­XfRVn-sA@comcast.com­...> Paul had the same issue with my S2. I too had a new clutch and throw out > bearing and was mystified at the problem. Here is what it was...I had a > leaky PS rack, therefore the PS pump tended (with the release of fluid) to > moan. As you know the 944 PS system is variable, so as your RPM increased > the pump was under less stress and the noise went away. I replaced the > rack and the noise went away. Except...on spirited driving days I get a > slight moan if the fluid is slightly low. My old wrench figures the pump > is getting on in years, but should hold up for a few more. If mine starts > the moan heavily again...a new pump is not that expensive..> "Paul" <pdenyer@btinternet­.com> wrote in message > news:d48ps4$5n3$1@s­parta.btinternet.com­...>> when the car is warming up during driving conditions I get a noise like >> a seized bearing ( a moaning type sound) between 1 and 2k revs. It does >> not do it when cold or when fully warmed up. If I stop after full warm up >> for 10/20 mins then restart it comes back. It is driving me round the >> twist as no-one can find the point of noise.>> Any help would be appreciated.....>>
Paul>>


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CarGuru > Porsche > 944 S2 bearing type noise on warm up 22 April 2005 11:08:09
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