EGR gasket - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 09-29-2004, 09:08 PM   #11
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Be careful about soaking (submerging) anything electrical in solvents.The solenoid or stepper motor windings,etc. can be damaged.
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Old 09-29-2004, 09:10 PM   #12
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three solenoids on mine. Of course applicable cleaning procedures should be used on any electrical components.
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Old 09-30-2004, 06:56 PM   #13
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So nothing builds up on the inside of it? I've never taken one apart, so I don't know what it looks like on the inside.
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Old 09-30-2004, 10:08 PM   #14
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My old 1990 Lesabre had the three solenoid digital egr valve.Had it off for cleaning a few times because of persistent check engine light.Code 63 I believe.I just cleaned the carbon off the outside and made sure the valve pintles would open when pushed.Worked great until it failed. Was getting a quad driver fault code.Not wanting an old junkyard part I bought a new one at Pep Boys for for 200 bux (ouch!) because the mechanic there gave me the resistance values for the solenoid coils.One coil was bad.The new one (Borg Warner) was identical to the original.Even said "Rochester" on the coils.And I think it was lifetime warranty.Autozone wanted 160 bux at the time for a Wells brand with a one year warranty.
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