Intake Plenum Cleaning
Thread Starter
Le Mans Master
Joined: Jul 1999
Posts: 7,072
Likes: 4
From: Maryland
Intake Plenum Cleaning
What is safe to use to clean the black crud out of the inside of the intake plenum? I don't want to damage the aluminum or affect any of the factory finish on it. Soap & water didn't affect it in the least! I have a parts washer with grease solvent (not sure if that will break down carbon), or I can use throttle body cleaner? The TB is Alum, so that should be OK shouldn't it? BTW, TB cleaner affects the paint on the top TPI plate on the TB. :eek: Usually I use Easy off oven cleaner for really crudded up stuff - but that etches Aluminum so I figure I should pass on that. Thanks, ~Juliet
Le Mans Master
Joined: Jul 2001
Posts: 8,183
Likes: 3
From: Santa Maria, CA
Re: Intake Plenum Cleaning (Juliet)
I see you are still working on the top end. How goes it BTW? Get the EGR situation taken care of? Anyways, I sprayed TB cleaner on the inside and used a toilet bowl brush for scrubbing. I cut the brush's head so the bristles were a straight row and not a u-turn shape. The bristles are "shapeable" to the nooks and crannies. Does this make me a "bubba" as you say? Jeez I hope not! :eek: :D
Thread Starter
Le Mans Master
Joined: Jul 1999
Posts: 7,072
Likes: 4
From: Maryland
Re: Intake Plenum Cleaning (89 Paul in cal)
I see you are still working on the top end. How goes it BTW? Get the EGR situation taken care of?
As for the EGR - yes, I think it's taken care of. I installed the new EGR valve. Finally found a wrench which would work to tighten the back bolt - one of the teeny 3/8" Ignition wrenches - very short & flat so it just managed to fit in there, plus it's a 12 point wrench. :yesnod: I don't know if you saw my post about the TB bolt I broke off while trying to remove it. :eek: So, I need to get new bolts for that since the old ones were pretty corroded anyways - beyond my comfort level for reusing them. I hope the parts dept has them in stock! Thanks for the cleaning tip. I think I need to get another can or two of TB cleaner - I almost used the whole thing up on the TB!!! Those fumes will make you high! :crazy: :p: Thanks! ~Juliet
