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  #1  
Old 18th May 2010
maf1ab maf1ab is offline
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Default Cold start valve??

HI all
Im not having a lot of luck at the moment with my much loved 9-5 I have had a whinning noice coming from my engine on start up but as the engine is run gradually quiets down I have been told by a mechanic it could be the cold start valve, has anybody else had this if so where is it located, is it easy to change, is there another name for it as i have been looking for one and cant seem to find one anywhere any help would be appreciated thanks in advance
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  #2  
Old 18th May 2010
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Erm there is no "cold start valve"

Ok, heres the scary bit, a whine at start up that quietens as the car warms up could well be a sign of a blocked oil strainer.

There is a ton of posts on here about our cars sufferent from sludge and to be honest if you wait for the oil light to come on its probably too late

As a matter of urgency I would have the sump dropped off the car, the oil pick up and screen properly cleaned and a new o ring added.

Then move to a regime of very regular fully synthetic oil changes.

In all seriousness - a whine immediately at start up is a very bad omen
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Old 18th May 2010
maf1ab maf1ab is offline
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Thanks for the quick reply but i had the strainer cleaned when i had the timing chain replaced about 6 months ago and fully synthetic oil added the last job I had done before noticing the noice was the thermastat replaced due to a error code coming up, could the strainer already need cleaning again I probably havent covered 5000 miles since the last oil change
thanks
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Old 18th May 2010
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Quote:
Originally Posted by maf1ab View Post
Thanks for the quick reply but i had the strainer cleaned when i had the timing chain replaced about 6 months ago and fully synthetic oil added the last job I had done before noticing the noice was the thermastat replaced due to a error code coming up, could the strainer already need cleaning again I probably havent covered 5000 miles since the last oil change
thanks
Is it a 4 or 6cyl and how many miles?
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  #5  
Old 19th May 2010
maf1ab maf1ab is offline
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4 cylinder 120k
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Old 19th May 2010
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A 4 cyl, what exactly happened to the timing chain that it had to be changed? Did you install the PCV#6 upgrade for engine ventilation? and how well did the shop that did the sump drop clean the sump and screen?
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Old 19th May 2010
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Hi
it all started with a oil leak that we believed was coming from the sump after further inspection by the garage they told me it was coming from an area behind the timing chain so advised me that while they were doing this it would be advisable to replace timing chain, headgasket, clean sump and filter, so after spending 1000 on the car i need to find what this fault is
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Old 19th May 2010
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Saab garage?
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Old 19th May 2010
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Saab tech, use to work for saab then went alone seem to be nice people may have to go back if i cant solve the problem just seem to be spending more and more money on it at the moment turbo went year before.
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Old 19th May 2010
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You might want to have the shop check the tension on the timing chain and that all the guides were replaced.
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