Honda Fit Exhaust Manifold Heat Shield Rattle Fix
Member
Joined: Aug 2008
Posts: 1,606
From: Orange, CA, USA
Someone recently confused this noise with loose water pump impeller (!) and changed the pump
to find out that a noise is still there. Then he read your thread...
to find out that a noise is still there. Then he read your thread...
Thread Starter
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Member
Joined: Jan 2011
Posts: 397
From: Omaha, NE
ha, whoops
Member
Joined: Apr 2011
Posts: 103
From: Rochester, NY
While I don't have any rust (visible), the bolt would not turn. I wasn't keen on putting penetrating oil on it since it is the exhaust manifold and I feared I could cause a fire hazard.
So, what's the solution? A simple C (compression) washer to fill the space. Simple shove it in there and voila; problem solved. No more rattling.[/QUOTE]
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I think you are worried about nothing ie: the fire hazard of penetrating oil. The few drops you'd use to free up that little bolt will evaporate by the time you finish the repair and get around to starting the car. If you are really concerned and don't have a fire extinguisher or a fire dep't. within 50 miles, do the repair in the evening before you go to bed LOL. Start the car in the morning if you are really brave. Or, you could take a stay at home vacation ;-) The OP did a really good job of documenting this problem. I ran across it about 2012 with my 2007 Fit Sport Manual. The rattle was pretty annoying. Luckily mine weren't too badly frozen but now that it's got 261,000 miles and 13 years in the rust belt, who knows/
Thread Starter
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Member
Joined: Jan 2011
Posts: 397
From: Omaha, NE
Just figured I'd give y'all a heads-up. Just over 4 years after this fix, this shield started making noise again. I took a look and my steel wool had deteriorated to the point that the looseness had returned.
To fix it again, I first cleaned out all the steel wool and gunk from the bushing, then went digging for a way to make this a more long-lasting fix. I ended up taking a regular round washer that matched exactly the diameter of the hole and making two cuts in it with some bolt-cutters (all I had on hand) to allow it to be slid into the gap in the bushing. I needed to use a hammer and chisel to force it in there, but now that it's in there, it's very tight and isn't going anywhere. For good measure I slathered on some high-temp red RTV. The shield is once again quiet.
To fix it again, I first cleaned out all the steel wool and gunk from the bushing, then went digging for a way to make this a more long-lasting fix. I ended up taking a regular round washer that matched exactly the diameter of the hole and making two cuts in it with some bolt-cutters (all I had on hand) to allow it to be slid into the gap in the bushing. I needed to use a hammer and chisel to force it in there, but now that it's in there, it's very tight and isn't going anywhere. For good measure I slathered on some high-temp red RTV. The shield is once again quiet.
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Jared592
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Jul 10, 2017 10:44 AM
