Noisy Engine? - Subaru Forester Owners Forum
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post #1 of 5 (permalink) Old 11-27-2008, 06:55 PM Thread Starter
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Join Date: Nov 2007
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Noisy Engine?

Greetings all, my 98 forester had head gasket replaced at 150,000km. Now I am noticing a very pronounced engine growl between 2300 and 3000 rpm while driving or in park (157, 000km). Things I have tried after reading through the site are, fresh oil and new filter, removing various heatshields, checking muffler for pieces of catalytic, driving slower to reduce higher rpm's (very difficult). I did notice however that there was less engine growl when I took off from a traffic light while the car was on an incline. Not really sure where to go from here and looking for some advice. cheers.

JM, Bradford, ON 98 S
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post #2 of 5 (permalink) Old 11-28-2008, 05:39 AM
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Is there a resonator in your intake system?
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post #3 of 5 (permalink) Old 11-30-2008, 08:48 AM Thread Starter
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Thanks for the response. Yes, there is a resonator on my air intake if that is what you are refferring to? cheers,

JM, Bradford, ON 98 S
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post #4 of 5 (permalink) Old 12-07-2008, 09:17 AM
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are you absolutely certain it is not a heat shield? stainless steel hose clamps from home depot are excellent for securing them. if they feel loose at all then throw a hose clamp on them.

'98 Forester S MT
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post #5 of 5 (permalink) Old 12-07-2008, 10:03 AM Thread Starter
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more than the shields

Thanks for the responses but the noise problem is deeper into the engine bay and more pronounced on the passenger side. I hear a change of pitch from the engine above 2000 rpm. I thought maybe manifold bolts loose from the head gasket repair but bolts are tight. Any thoughts?

JM, Bradford, ON 98 S
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