Proper removal / cleaning of the throttle body?

[usaf-lt-g]

Hey guys,

While I have my "bird's" engine compartment exposed, I figured I should clean some stuff to give her a tune up. Any instructions for proper removal of the throttle body to clean it? I saw some posts on what to use for cleaning (i.e. brake cleaner etc.) but was wondering steps etc. to actually remove it, or precautions I should take beforehand. Don't have my bentley guide yet, but it's supossed to be here next week.

Thanks!

:renntech:

[azzar0]

Hey guys,

While I have my "bird's" engine compartment exposed, I figured I should clean some stuff to give her a tune up. Any instructions for proper removal of the throttle body to clean it? I saw some posts on what to use for cleaning (i.e. brake cleaner etc.) but was wondering steps etc. to actually remove it, or precautions I should take beforehand. Don't have my bentley guide yet, but it's supossed to be here next week.

Thanks!

:renntech:

Throttle Body DYI link:

http://www.renntech.org/forums/index.php?s...ttle+body\

On my Boxster I ended up taking off the 4 screws that hold the TB to the engine to have better access. Someone noted that you should disconnect the battery when you take these screws off (I didn't and nothing happened, but you never know).

Good Luck!

azzar0.

[usaf-lt-g]

Hey guys, I removed the throttle body today, and the air intake assembly from the throttle body housing. I cleaned up the throttle body, and have been fighting for the last 45 minutes to get the intake tube back on the throttle body. It will NOT go back on. No matter how hard i try. I can get it to go on the top, but not on the bottom. What am I doing wrong? I tried applying a little grease to the lip, and this didn't help. now i'm stuck cause i can't get the dang tube back on.

Help!

:huh:

[azzar0]

Hey guys, I removed the throttle body today, and the air intake assembly from the throttle body housing. I cleaned up the throttle body, and have been fighting for the last 45 minutes to get the intake tube back on the throttle body. It will NOT go back on. No matter how hard i try. I can get it to go on the top, but not on the bottom. What am I doing wrong? I tried applying a little grease to the lip, and this didn't help. now i'm stuck cause i can't get the dang tube back on.

Help!

:huh:

You could use a hair dryer to heat up the tube a little bit. Also, did you disconnect the tube from the other side? I found it easier if it's disconnected from both ends. A lot of people had trouble taking the tube out and putting it back in. Mine came out with a little wiggling and went in without too much fuss. Good luck!

azzar0.

[usaf-lt-g]

Hey guys, I removed the throttle body today, and the air intake assembly from the throttle body housing. I cleaned up the throttle body, and have been fighting for the last 45 minutes to get the intake tube back on the throttle body. It will NOT go back on. No matter how hard i try. I can get it to go on the top, but not on the bottom. What am I doing wrong? I tried applying a little grease to the lip, and this didn't help. now i'm stuck cause i can't get the dang tube back on.

Help!

:huh:

You could use a hair dryer to heat up the tube a little bit. Also, did you disconnect the tube from the other side? I found it easier if it's disconnected from both ends. A lot of people had trouble taking the tube out and putting it back in. Mine came out with a little wiggling and went in without too much fuss. Good luck!

azzar0.

Finally got it! Thanks for the help! ;) Actually I was trying to put it on by leaning over the driver's side at an angle and pushing it on. I found it snapped right in, once I took off my shoes, crawled to the middle of the car, and then used both hands to push it on. I also cleaned up the engine bay a bit of all the dust and grease. Much better now ;)

[Chuck Jones]

I think that sometimes us Porsche guys try to over=do a project by getting every last speck of dirt or debris removed. Cleaning the throttle body can be accomplished by simply spraying carburator cleaner on a cloth and holding the butterfly valve open so that you can wipe the accumulated carbon and grime that collects at the bottom of the butterfly valve and down the throat a bit.

One thing I would like to caution you on however....this comes from personal experience. If you opt to spray the throttle body with CRC or any carburator cleaner....TAKE OFF THE THIN RED TUBE that you stick in the nozzle of the spray can. I had an incident where the thin red tube became detached and was propelled down the "T" fitting of the plenum like it was shot out of a gun. That meant that I had to take everything apart to try to find the **** thing. Luckily....and I say luckily....it had lodged crosswise at the very last part of the plenum before it dropped down into the intake....otherwise I would have been taking a lot more parts off there.

The best methodology explained to me and it makes sense....is to not get so anal about trying to clean every last speck of carbon or grime off....spray a clean rag with the carburator cleaner, hold open the butterfly valve, and wipe out as far down as you can get wiping the upper and lower part of the circular intake. Most of the trouble comes from the blocking of the slight opening in the bottom of the valve by grime at the bottom of the intake as cocks open slightly to admit air.....a small amount of grime there can affect the sensors and cause rough idle.

[Wongboxster]

On 6/21/2008 at 4:46 PM, usaf-lt-g said:

Finally got it! Thanks for the help! ;) Actually I was trying to put it on by leaning over the driver's side at an angle and pushing it on. I found it snapped right in, once I took off my shoes, crawled to the middle of the car, and then used both hands to push it on. I also cleaned up the engine bay a bit of all the dust and grease. Much better now ;)

Thank You!  That did the trick.  If only I had read your posting an hour ago, it would have saved me all that time.  I tried the same thing from the driver's side with no luck.  After reading your posting, I grabbed a stepping stool (to avoid dinging the trunk) and tug it throttle in, and voila.  Almost seems way to easy.  I ran my finger around the tube to make sure.  Thank you again, your posting saved my day.

[Schnell Gelb]

The hairdryer+ liquid soap technique works. Try laying on a blanket over the trunk with the clamshell jammed vertical.