DIY: UEC and Throttle body cleaner - s2k
Did these today, have done them on my other cars, and i must say after doing them to my s2k the car feels so much better. idle is so smooth, throttle response is increased, and i can feel a slight gain in power.
I highly recommend these to all cars with higher kms, and in good practice shoudl be done every oil change. Parts i used were a carby/throttle body cleaner from bursons, and Subaru Upper Engine Cleaner.
anyway onto the diy. first up the Throttle body cleaner.
very easy to do, just get a bottle from your local bursons, autobarn, supercheap etc.
1. unclip airbox cover, loosen clamp holding intake pipe to throttle body, and remove the throttle body.
2. open the throttle using your hand, and spray the throttle body cleaner onto the butterfly valve and into the throttlebody
3. get an old rag, and with the throttle held open, clean the butterfly valve on both sides, and the edges as well.
4. start car after reconnecting intake pipe, and rev to purge the crap out.
5. reassemble intake piping etc
Upper Engine Cleaner
-This stuff is awesome, and should be done at every oil change. You can get it from subaru (it is called upper engine cleaner, i believe it is ~$10 a can). It cleans all the gunk from the manifold out.
1. Warm car up to normal running temp and turn off car.
2. locate a vacuum line into the intake manifold. I used this one (see pic attached)
http://i156.photobucket.com/albums/t...I/Photo174.jpg
3. spray about half the can into the tube (red arrow) and let it sit for 10 minutes.
4. start the car (may require a couple of goes, this is normal), rev the car to prevent it from stalling, and spray the remainder of the can into the tube
5. as the can empties, turn off the car and let it sit for another 10 minutes.
6. Start the car, and rev it to purge the stuff out of the car. You will get alot of white smoke out the back, keep revving (i kept it between 2k-7000rpm) until you no longer see white smoke coming out the back.
7. Reconnect the vac line and take it for a drive!
The procedures for both is very very simple, and it makes quite a big difference, especially on cars with higher kms due to the build up of crap in them (my throttle body butterfly valve was black!). do them before an oil change, and then change the oil.
John
