BADASS of New England

An automobile club for the enthusiast who enjoys the last of the big GM cars. The rear wheel drive B and D bodys. Chevrolet Impala SS, Caprice, 9C1, Buick Roadmaster, Oldsmobile Custom Cruiser, Cadillac Fleetwood
 
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 Oily opti

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No Moa



Posts : 3880
Join date : 2009-02-21
Age : 44
Location : Midcoast Maine

PostSubject: Oily opti   Sat Dec 11, 2010 4:15 pm

I pulled the opti off the 4.3 today, and the plug had oil in it, when I separated it there was oil inside also. I don't seem to have an oil leak, the cap and rotor had no oil, just corroded. The plug for the wire harness is where it was. Anyone seen this on theirs? I know I've had it happen in boats and it f's up the signal, but where is the damn oil coming from? The wires? Didnt see any on the outside of them.

Also no seals leaking, and the cap bolts came Right out while the other unit I had I snapped them all off. Lol.
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95brmw



Posts : 1431
Join date : 2009-11-10
Age : 32
Location : Connecticut

PostSubject: Re: Oily opti   Sat Dec 11, 2010 9:15 pm

My caprice and my friends' caprice had the same thing. The seal around the body of the opti fails over time. Mine also had leaked in though the electrical connector for the optical sensor. I bought a new GM cap and rotor kit, took care of that. On my friends we cleaned it out and RTVd the seals on it. No leaks so far.
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toomanytoyz
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Posts : 6871
Join date : 2009-01-20
Age : 40
Location : East Hampstead, NH USA

PostSubject: Re: Oily opti   Sat Dec 11, 2010 9:29 pm

I've pulled a couple apart like that too. Probly coming in through the bearing or drive seal or something...

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No Moa



Posts : 3880
Join date : 2009-02-21
Age : 44
Location : Midcoast Maine

PostSubject: Re: Oily opti   Sun Dec 12, 2010 11:30 am

Looks lime it just ran down the wires, and into the connection. I have a good wire, opti vent harness, I am trying to find a good cap and rotor now, mine are usable but I'm hesitant.
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sdstick



Posts : 4282
Join date : 2009-03-20
Location : Revere, MA

PostSubject: Re: Oily opti   Sun Dec 12, 2010 1:56 pm

Let me look in the garage, I think I ebayed a cap & rotor w/ brass terminals.
I'll try to get out there today. Family party last night, head...a little...foggy. drunken

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No Moa



Posts : 3880
Join date : 2009-02-21
Age : 44
Location : Midcoast Maine

PostSubject: Re: Oily opti   Sun Dec 12, 2010 1:59 pm

sdstick wrote:
Let me look in the garage, I think I ebayed a cap & rotor w/ brass terminals.
I'll try to get out there today. Family party last night, head...a little...foggy. drunken

Thanks steve.
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