2G Throttle Body Cleaning

[dem0n]

I was going to go clean the throttle body the other day when I noticed that there was an elbow attached the it. Is there a gasket between the tb and the intake elbow? I was also curious if i should put pb blaster on the bolts because it looks as if no one has ever tried to clean it in 20 years and I don't wanna snap some bolts. Its not rusty but still.

 

[2gmitsueclipse]

Perhaps the following diagram will answer your first question. PB Blaster should not be needed here.

You must be logged in to view this image or video.

 

[dem0n]

Perhaps the following diagram will answer your first question. PB Blaster should not be needed here.

You must be logged in to view this image or video.

Very helpful with adding a diagram +1. So if i did pull it apart would i have replace the gasket (9) if im just popping off (8) to clean the throttle body (10)? (2.0l Turbo)

 

[greddy_1700]

If you're removing the throttle body just plan on replacing both gaskets 9 and 11.

 

[2gmitsueclipse]

Very helpful with adding a diagram +1. So if i did pull it apart would i have replace the gasket (9) if im just popping off (8) to clean the throttle body (10)? (2.0l Turbo)

Yes. I would verify that the shaft seals aren't leaking before you decide to only clean the throttle body. This can be accomplished with a blt (boost leak test). If so, the throttle body may as well be rebuilt.

 

[dem0n]

If you're removing the throttle body just plan on replacing both gaskets 9 and 11.

I was just gonna pop of the elbow (8) and just clean it with some cleaner and use a sock to get all the junk off with cleaner sprayed on it.

Yes. I would verify that the shaft seals aren't leaking before you decide to only clean the throttle body. This can be accomplished with a blt (boost leak test). If so, the throttle body may as well be rebuilt.

Well i figured out one leak was the line from the intake manifold to the bov wasn't plugged in so that fixed that. I don't think there's any more leaks because I don't hear any more hissing as of last time I checked

 

[2gmitsueclipse]

Well i figured out one leak was the line from the intake manifold to the bov wasn't plugged in so that fixed that. I don't think there's any more leaks because I don't hear any more hissing as of last time I checked

FYI: leaks are not always audible. Soapy water in a spray bottle is much more effective. When cleaning, you will want to put tape over the two holes/slots on the bottom of the throttle body near the throttle plate.

 

[dem0n]

FYI: leaks are not always audible. Soapy water in a spray bottle is much more effective. When cleaning, you will want to put tape over the two holes/slots on the bottom of the throttle body near the throttle plate.

Would you really wanna use soapy water for clean that? Why not throttle body cleaner with my sock i use to get it off? Its worked great before when cleaning my 3g eclipses tb.

 

[2gmitsueclipse]

Would you really wanna use soapy water for clean that? Why not throttle body cleaner with my sock i use to get it off? Its worked great before when cleaning my 3g eclipses tb.

Two separate statements. The soapy water is for conducting the boost leak test. The second, was for cleaning the throttle body. TB cleaner is best.

 

[luv2rallye]

Would you really wanna use soapy water for clean that? Why not throttle body cleaner with my sock i use to get it off? Its worked great before when cleaning my 3g eclipses tb.

He means use soapy water on the outside to look for bubbles around shafts and gaskets when under BLT pressure.
And when cleaning the TB, put tape over the two holes/slots on the bottom of the throttle body near the throttle plate. You don't want to get TB cleaner in there or it will ruin the FIAV.

 

[Billy Ciano]

I recently had a boost leak coming from my throttle body O-Rings, so ended up taking the throttle body off, replacing the o-rings, using new throttle body gaskets, and cleaning everything along the way. In retrospect, I'd suggest to anyone that if you're going to be removing your throttle body for any reason, just go ahead and replace these o-rings. If they have never been replaced, they are like not really rubber anymore. Mine were brittle, and cracked into pieces when I removed them. VFaQ had a great step by step procedure to follow and I'd suggest reviewing that to see if its something you think you can handle yourself. I'm a super novice and did it no problem. My only headache during the process was removing the throttle body plate screws, which are in there good and will likely strip and have to be replaced.

I typically use PB Blaster on anything I plan on taking apart. These cars are old enough that I've started to treat everything as if its going to break, including doing research for replacement part availability before I go wrenching on anything. Hope this helps.