Heat Shield / Rattling Problems

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08-20-2010 | 12:17 AM

FooFighters92

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iTrader: (2)

Joined: Jul 2010

Posts: 167

Likes: 2

From: Ohio

Car: 1992 Firebird & 2009 Nissan 370Z

Engine: 305 TBI

Transmission: W.C. T5

Axle/Gears: 4th Gen Posi, Disc Break/3.42

Heat Shield / Rattling Problems

I have a 1992 Firebird HB, it has the 305 motor.

Coming from underneath the car is this rattling. I was told it was the heat shield. I haven't had time to get under and look yet, but I was wondering if it is the heat shield...do I really need it? And if it is the heat shield causing the rattling...why is it? Do they typically loosen over time? I'm not even sure what it looks like.

How is the shield on there? Welded? Bolted? Any help would be greatly appreciated.

Any kind of diagram or mental picture would be great too. I just want to be able to drive my car w/o the rattling.

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08-20-2010 | 05:53 AM

J91

Supreme Member

Joined: Jan 2009

Posts: 1,126

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From: Columbus Ohio

Car: 91 Z28,64ImpalaSS4094spd,67 Galaxy

Engine: Dart 415Profiler hd,cmprlrs,Hlly750

Transmission: Built 700R4, 3200 stall

Axle/Gears: 3:89 Moser 9"

Re: Heat Shield / Rattling Problems

Get under there and check it out! A diagram isn't gonna help.

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08-20-2010 | 08:03 AM

DJP87Z28

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Joined: Mar 2003

Posts: 4,771

Likes: 14

From: Florida

Car: 1987 Black IROC-Z (SOLD)

Re: Heat Shield / Rattling Problems

The heat shield is spot welded on and would be a pain to do. When I had this problem, I just went to the hardware store and bought hose clamps and made them the length needed and put them over the loose shield. Problem solved for less then $5.00.

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