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Old 04-11-2011, 10:25 PM   #1
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Exhaust Manifold Heat Shield Question.

A friend of mine wants to know what it would hurt removing the heat shield off his new exhaust manifold prior to us replacing the cracked old one. I replaced mine a few months ago and left it on, he want's to take his shield off to paint the manifold. (cause he thinks he's special) Then install it without the heat shield. So before he starts drilling out the rivets to take it off, can someone tell me the benefit of the heat shield or no heat shield with Rustoleum paint?

Thanks!

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Old 04-12-2011, 12:16 AM   #2
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im pretty sure the shield is for the older jeeps to warm up the motor faster i did remove mine when replacing it... i would pant it with a High Temp Ceramic Coating

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Old 04-12-2011, 02:59 PM   #3
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Heat shield on the old manifold was installed as a recall as collected debris was cathching fire at the #3 cylinder position...

APR 08, 2002 | Recall ID# 9668 Hide Details
Recall Reason
FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS
Recall Date
APR 08, 2002
Model Affected
WRANGLER
Potential Units Affected
1115322


Recall Summary
ON CERTAIN SPORT UTILITY VEHICLES EQUIPPED WITH A 4.0L ENGINE ONLY, THE DESIGN OF THE INTAKE AND EXHAUST MANIFOLDS COULD ALLOW DEBRIS TO ACCUMULATE AT THE #3 CYLINDER LOCATION.
Consequence
THIS COULD RESULT IN A VEHICLE FIRE.
Remedy
DEALERS WILL INSTALL A MANIFOLD SHIELD TO MODIFY THE AIR FLOW CHARACTERISTICS AND TO PREVENT THE ACCUMULATION OF DEBRIS IN THE AREA OF THE #3 CYLINDER. OWNER NOTIFICATION BEGAN MAY 13, 2002. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT DAIMLERCHRYSLER AT 1-800-853-1403.
Notes
DAIMLERCHRYSLER CORPORATION B06
__________________
2000 4.0l Sport, Auto, some mods done - planning more
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Old 04-12-2011, 03:05 PM   #4
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Ah-HA! I keep telling him it's on there for a reason!!

Thanks for that info!
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Old 04-13-2011, 07:02 AM   #5
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is the jeep a 4.0 or a 2.5 ?
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Old 04-13-2011, 03:29 PM   #6
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His is a 4.0, mine is a 2.5. I ordered one and installed it on my Jeep with the heat shield intact. I wasn't to worried about mine since I'm doing a V8 swap in the near future. He wanted to take his off and paint the manifold to match his valve cover. After I told him about the recall that wheel2work informed us about, he painted it with the shield on. Looks kinda funky to me, but it's his ride not mine.

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