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Old 01-31-2009, 07:05 PM   #1
teamgreen02
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Can't remove throttle bodies.

Right now I'm in the middle of checking my valves. The valve cover is loose and ready to come out, I just need to remove the throttle bodies so I can slid it out of there.

The bolts holding the rubber on the throttle bodies to the motor are all loose. I've tried pulling up, rocking back and forth, prying with a screw driver, all to no avail. I did spray some silicone spray to try and unfreeze the rubber from the motor. It helped a little but they still didn't come out.

I guess the only other things I can think of is have someone else give me a hand rocking and pulling the throttle bodies. Or I could try to get it in a heated shop overnight or something. Keep in mind it was about 40 degrees today.

Any ideas? Am I missing something? I don't think it should be this hard.
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Old 01-31-2009, 09:31 PM   #2
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Got by without removing the throttle bodies. If the valve cover is slightly disassembled, it can be removed with the throttle bodies intact. All valves were within spec, albeit they are within the small end of the spec. I'll measure them again tomorrow and mark down the actual value for each clearance. Then to put it all back together.
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Old 02-04-2009, 12:46 PM   #3
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sorry for not seeing this earlier. yes, the throttle bodies can be really difficult to remove. the way i did it was to use a ratchet type tie-down from a bicycle hook on the ceiling of my garage, and then place the other hook underneath part of the throttle body. i ratched it up until finally it went "pop" and came out. for putting back in, i believe i just pushed on them, or i may have used a piece of wood and a hammer a little bit.
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Old 02-05-2009, 11:50 AM   #4
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Quote:
Originally Posted by Dr. GoFast View Post
sorry for not seeing this earlier. yes, the throttle bodies can be really difficult to remove. the way i did it was to use a ratchet type tie-down from a bicycle hook on the ceiling of my garage, and then place the other hook underneath part of the throttle body. i ratched it up until finally it went "pop" and came out. for putting back in, i believe i just pushed on them, or i may have used a piece of wood and a hammer a little bit.
That's alright. I never would have thought of that though. Seems like some warmer temps would help also. I left them on for now, but I'm sure I'll eventually have to remove them.

As far as putting them back on, I find silicone spray to be VERY helpful in situations like this. It makes rubber parts slide much easier.
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Old 02-06-2009, 03:59 PM   #5
CBR.Flylow
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I just did mine. The easiest way is to not pull straight up, but alternate between pushing it forwards and pulling it backwards... if that makes sense. They will come out real easy doing it that way. Rocking it horizontally is the best way to describe it.
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Old 02-11-2009, 12:13 AM   #6
Gville George
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I gently pried with a big screw driver alternating where and which cylinder i was prying, while pulling and wiggling the throttle bodies with my other hand at the same time.

it was a pain in the butt. I hate taking things off for the first time when they seem stuck, i am always paranoid i am missing a bolt and will break something.
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Old 02-11-2009, 09:04 PM   #7
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Quote:
Originally Posted by CBR.Flylow View Post
I just did mine. The easiest way is to not pull straight up, but alternate between pushing it forwards and pulling it backwards... if that makes sense. They will come out real easy doing it that way. Rocking it horizontally is the best way to describe it.
Believe me, I was rocking them back and forth. The bike partially slipped off the rear stand!
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Old 11-20-2009, 07:31 PM   #8
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dangit... ive spent like 4 hours trying to pry my throttle bodies off today! no luck. i tried the screw driver prying, wrapping a cord around and pulling, and a lot of rocking back and forth, all to no avail.. i feel like its still connected somehow, but ive loosened all four of the bottom clamps... and later even loosened the the top four clamps. lubricated and everything... i feel like it moves a little, but then i look again and its at the exact same spot. any other suggestions? is there some kind of lip on the bottom of the throttle bodies that the rubber connector has to slide over? i dont understand why its so hard.. other than it might be the first time its ever been done and its an '03 with 32kmi on it.
frustrated.
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