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 throttle body won't budge @#$%^&*
#996351
05/09/10 01:44 AM
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Joined: Aug 2003
Posts: 480
OP
Mudrunner
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87 22re. Trying to pull my throttle body off to relace TPS.
Unbolted 4 places... won't budge. I smacked it repeatedly in multiple directions as hard as I dare with a plastic mallet to no avail. Thinking of soaking the mating joint with something...acetone, Kroil, Pepsi..??
Don't see any good pry spots right off either. Anyone been there?
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Re: throttle body won't budge @#$%^&*
[Re: MAC]
#996352
05/09/10 08:58 PM
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Joined: Nov 1999
Posts: 1,049
Body Damage is Cool
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Use a punch and tap towards the front of the motor. It will come off. I tapped at the top on the bell crank side and on the TPS side at the boss for the TPS. Not too hard of a smack. Just a persuasion.
Last edited by toyrunner; 05/09/10 08:58 PM.
1985 SR5 4Runner
eLocked with Carter Lock
4.7:1 single case
Davez Offroad twin stick
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Re: throttle body won't budge @#$%^&*
[Re: toyrunner]
#996353
05/10/10 12:52 AM
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Joined: Sep 2005
Posts: 970
Rock Warrior
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It's been about 6 years, so my memory is fuzzy - but isn't there some hidden bolt that goes through a coolant jacket or something?
Doest he FSM posted here show only 4 bolts?
I do remember mine being really stuck on also though.
With 200+ Billion electrical parts, the world most complicated machine is inside your own skull.
Question Reality.
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'89 Rnr DLX "SR4.5", 32s w/ 5.29 locked f/r blah blah
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Re: throttle body won't budge @#$%^&*
[Re: RatLabGuy]
#996354
05/10/10 09:49 PM
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Joined: Aug 2003
Posts: 480
OP
Mudrunner
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well... I held my breath and rapped it harder using a piece of hardwood between the BFH and the housing.... it finally popped off. (no hidden bolt...just the 3 bolts and nut on a threaded stud). The gasket is really adhered to the manifold... as if sealer was used but as far as I know it is original. I guess the years under pressure bonded it. No torque spec in the FSM for the bolts. I'm thinking only 9 ft/lbs or so ? Growing up back when aluminum was rare on an engine I always want to overtighten....
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Re: throttle body won't budge @#$%^&*
[Re: MAC]
#996355
05/10/10 11:38 PM
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Joined: Nov 1999
Posts: 1,049
Body Damage is Cool
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German engineering, gudentite! well... I held my breath and rapped it harder using a piece of hardwood between the BFH and the housing.... it finally popped off. (no hidden bolt...just the 3 bolts and nut on a threaded stud). The gasket is really adhered to the manifold... as if sealer was used but as far as I know it is original. I guess the years under pressure bonded it. No torque spec in the FSM for the bolts. I'm thinking only 9 ft/lbs or so ? Growing up back when aluminum was rare on an engine I always want to overtighten.... <img src="/forums/images/graemlins/cyclops.gif" alt="" />
1985 SR5 4Runner
eLocked with Carter Lock
4.7:1 single case
Davez Offroad twin stick
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Re: throttle body won't budge @#$%^&*
[Re: RatLabGuy]
#996356
05/11/10 02:22 AM
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Joined: Oct 2002
Posts: 15,887
Toyota & Classifieds Moderator
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That's the famous 6mm allen bolt that drives you nuts if removing the whole intake manifold. Glad ya got it; those old seals can be a bugger sometimes.
http://www.walkablecommunities.org/Democracy is two wolves and a lamb voting on what to have for dinner. Liberty is a well-armed lamb contesting the vote. **ubi apis- ibi salus**
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Re: throttle body won't budge @#$%^&*
[Re: kewlynx]
#996357
05/11/10 02:39 PM
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Joined: Aug 2003
Posts: 480
OP
Mudrunner
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who are you calling an old seal ?  9 ft/lbs sound about right for those bolts?
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Re: throttle body won't budge @#$%^&*
[Re: MAC]
#996358
05/11/10 02:47 PM
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Joined: Jan 2000
Posts: 12,153
Web Wheeler
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The FSM has a table in one of the Appendices of torque specs for all the fasteners that do not list specific torques. Might check out that table (App. B in my '85 book).
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