EBP actuator seal

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Nov 18, 2009 | 02:36 PM

DND58

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Laughing Gas

Joined: Jan 2007

Posts: 870

Likes: 9

From: Carbondale, CO

EBP actuator seal

Has anyone replaced the Exhaust back pressure seal on the pedestal?
I replaced CAC boots a while back and noticed a small oil leak, appeared to be at EBP piston rod on pedestal. Have had a small drip from starter area for @ 1 yr. I use the EBPV as a brake when towing and would like to keep it. I have the TSB on this procedure, and read on guzzles site about using a brake hone.

I have not done a lot of wrenching, but am not afraid to try. I can buy a brake hone from NAPA but not sure on size or how to use. Do I use any lube? How do I know how long to apply hone? Any suggestions on where to find spring scale tester for adjusting the preload of EBP piston rod? Any other suggestions for a green shadetree guy?

Thanks again
Dean

Nov 18, 2009 | 03:28 PM

Izzy351

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Joined: Feb 2007

Posts: 14,541

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From: Dallas-Ft. Worth

Most of us just gut the thing. Using the EBPV as a trans brake on a stock trans is pretty hard on it, if you're towing heavy. Lighter loads probably won't hurt it too much, but I wouldn't bother. More trouble than it's worth.

Nov 18, 2009 | 03:52 PM

Riffraff Diesel

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Joined: Feb 2009

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If you enjoy using it I would keep it. I use mine and really like it. All you will need is a rebuild kit and a small brake hone if you have access to one. It doesn't take much at all, just a few passes. Here is a link for the IH Kit.

Riffraff Diesel: Exhaust Backpressure Valve piston rebuild kit

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