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#1
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Heat shield maybe?
I have an annoying rattle that sounds like a heat shield is possibly lose. It's at about 1300 RPM, and then goes away. I have not had it on a lift yet, so asking this is porbably premature. Is there a common problem with heat shields? I ask because if there is I can start there. Thanks.
Clarke |
#2
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Re: Heat shield maybe?
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Randy Johnson 3rd Registered Member 02-21-2001 First Member to Reach 10,000 Posts First to arrive at the very first Reading Meet Subaru Ambassador 1992 SVX PPG Pace Car Replica 110+k 1993 White Impreza L 240+K miles 2001 Legacy Outback Limited Sedan 250+K miles 2013 Deep Indigo Pearl Legacy 3.6R 49+K miles "Reading is my favorite Holiday" Mike Davis -- at Reading VI |
#3
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Thanks
Are the shields bolted, or tack welded in place? Thanks.
Clarke |
#4
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Clarke:
The heat shields (2) are under the front floorboards and are welded. The welds tend to rust out and shields break loose and then rattle as pipes vibrate at certain RPM ranges. Common fix (at least at my Suby dealer) is removal. It's apparently common on most Subies, not just SVX. Dan |
#5
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A word of caution about having the heat shields removed: don't be parking in any fields with high grass (especially in dry season), it could cause a fire. I park in my yard and the area where my car sits, and the heat shields have been removed, turns yellow.
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Randy Johnson 3rd Registered Member 02-21-2001 First Member to Reach 10,000 Posts First to arrive at the very first Reading Meet Subaru Ambassador 1992 SVX PPG Pace Car Replica 110+k 1993 White Impreza L 240+K miles 2001 Legacy Outback Limited Sedan 250+K miles 2013 Deep Indigo Pearl Legacy 3.6R 49+K miles "Reading is my favorite Holiday" Mike Davis -- at Reading VI |
#6
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My car has a buzzing noise that happens at low RPM's (around 1300-1700) and I've narrowed it down to the drivers side cat. Apparently the baffle plates get old and rattle around but when there is more pressure from more RPM's the rattling noise stops.
Just my $0.02...
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-Craig Lowthorp, Flagstaff AZ '92 LS-L, Black on White, 136k SOLD '92 LS-L, Black on Silver, 120k SOLD '01 Legacy Outback, White, |
#7
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Quote:
__________________
Randy Johnson 3rd Registered Member 02-21-2001 First Member to Reach 10,000 Posts First to arrive at the very first Reading Meet Subaru Ambassador 1992 SVX PPG Pace Car Replica 110+k 1993 White Impreza L 240+K miles 2001 Legacy Outback Limited Sedan 250+K miles 2013 Deep Indigo Pearl Legacy 3.6R 49+K miles "Reading is my favorite Holiday" Mike Davis -- at Reading VI |
#8
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If the car has every bottomed out before, you may also have dents in the Y section of the exhaust system.
Thats waht happened to me, and my insulation had deteriorated to nothing. I tried banging the y shielding, and moving the insulation near metal contact points, but rattling came back after a week. If it is the Y-shields that ardub described, just go to Home Depot, buy some rustproof, steel strips of metal and clamp it between pipe and heatshield. I effected that fix last summer, and its been golden since.
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Henry Yei htyei@svxwrx.com 1992 Dark Teal LS-L w/o spoiler "OLIVIA" http://www.svxwrx.com |
#9
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Fixed..
One of the heat shields must have hit something bcause it was crumpled back a few inches. The shield was touching the exhaust and making a horrible rattleing noise. I just bent it back and all is now better. Thanks.
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