Heat shield removal
10-06-2018, 05:15 PM
#1
2nd Gear
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Heat shield removal
Can these shields be removed permanently? Broken welds and noisy.
hey guys these heat shields on my 89 c4 964 are rattling and noisy as hell. Can I take of and leave off? Or am I risking damage to the car?
thanks for your help
jad
10-06-2018, 07:18 PM
#2
Burning Brakes
Those two shields are removable, but protect the catalyst from direct hit from road spray. They both bolt on.
10-06-2018, 07:50 PM
#3
Rennlist Member
They aren't welded and you can probably remove them and fix the rattling. The speed nuts they use have a tendency to rust due to heat. The nut will spin in the metal retaining clip and can be a bear to remove or don't seat properly. If they aren't a tight fit they will rattle.
They can be repaired once removed or replaced for stupid money. Something like $6 each or more. When you remove them run a tap through them and a die for the bolts and some copper never cease when installing. It should fix the problem.
The heat shield also protects the tire from heat I wouldn't remove them.
They can be repaired once removed or replaced for stupid money. Something like $6 each or more. When you remove them run a tap through them and a die for the bolts and some copper never cease when installing. It should fix the problem.
The heat shield also protects the tire from heat I wouldn't remove them.
10-06-2018, 07:55 PM
#4
Rennlist Member
Yep, it's simple to fix the rattle. Leave them in place. They are there for a reason. For the most part the Porsche engineers know what they were doing - these heat shields protect the cat and oxygen sensor and protect the tire from excessive heat.
Last edited by cjoenck; 04-07-2019 at 02:04 AM.
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04-07-2019, 01:03 PM
#8
Rennlist Member
Rather than paint, I would just media blast them to give them a fresh look. By the time you clean, degrease, prep and paint, you can easily media blast them.