C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

EGR Pipe Removal

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Old Aug 2, 2001 | 01:37 AM
  #1  
CG77VETTE's Avatar
CG77VETTE
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From: Denville NJ
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I'm in the process of removing the EGR pipe on my '86 iron head and I'm having trouble removing the clamp that connects the EGR pipe to the exhaust. Can this clamp be chiseled off or will I be damaging the pipe in any way? Should I buy a new EGR pipe or is it ok to reuse the original one? Thanks in advance for any help or suggestions.
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Old Aug 2, 2001 | 09:53 AM
  #2  
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I have wondered about this as I need to drop my EX manifolds, Do you need a special tool ?
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Old Aug 2, 2001 | 11:00 AM
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If it is the same type of clamp that is on the catalytic converter (crimped) I used a bolt cutter to cut it right at the crimp and it'll come right off. The hardest part is getting to it.
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Old Aug 2, 2001 | 11:03 AM
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Getting to it to put on the new one is the big problem!
I had to heat mine with a torch and crimp it with some big side cutters to get it tight enought to seal.

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Old Aug 2, 2001 | 11:44 AM
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I stuck a screwdriver in and pried until the tube would slip out. It's hard to get it sealed back up. GM sells new clamps (~$5) and Grainger sells the crimper (~$20). I tried pliers, dull side cutters, visegrips, channel locks - nothing would fit in there with enough force to crimp the new clamp tight. The Grainger tool did it first try.

If the EGR pipe is not leaking or about to rust through, re-use it.

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