throttle position sensor 1990 Civic - can't remove, just replace throttle body?

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dex3703 - 28 Jan 2007 17:52 GMT

Thanks for all the responses to my question earlier. I went to a
junkyard and got a throttle body to replace the sensor. However, I
can't get the sensor off the junker throttle body,with either a screw
extractor or having dremeled a notch in the screw. I'm not sure I can
get the old one off my current throttle body either without taking the
throttle body off either. So:

- can I just replace the whole throttle body? The junk part only
showed 150K (it was a manual). My car has 263K (auto). This seems like
it would be a lot easier/faster.

- if so, can I reuse the current throttle body gasket, or should I get
a new one? They are available from the dealer.

TIA,
Derek

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Jim Yanik - 28 Jan 2007 19:40 GMT

> Thanks for all the responses to my question earlier. I went to a
> junkyard and got a throttle body to replace the sensor. However, I
[quoted text clipped - 12 lines]
> TIA,
> Derek

I'd get a new gasket.

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Jim Yanik
jyanik
at
kua.net

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jim beam - 29 Jan 2007 05:31 GMT

> Thanks for all the responses to my question earlier. I went to a
> junkyard and got a throttle body to replace the sensor. However, I
[quoted text clipped - 12 lines]
> TIA,
> Derek

did you try the chisel like i said? i guarantee it works. also, whack
the head of the shear bolt end on a little to loosen the threads. doing
the t.p.s. on the car is a good deal quicker and easier than taking off
the throttle body and all the plumbing, gaskets, etc.

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Jim Yanik - 29 Jan 2007 15:45 GMT

jim beam <spamvortex@bad.example.net> wrote in news:7LydnYnHAcY-
GyDYnZ2dnUVZ_rjinZ2d@speakeasy.net:

>> Thanks for all the responses to my question earlier. I went to a
>> junkyard and got a throttle body to replace the sensor. However, I
[quoted text clipped - 17 lines]
> the t.p.s. on the car is a good deal quicker and easier than taking off
> the throttle body and all the plumbing, gaskets, etc.

the bolts may be frozen into the aluminum throttle body.
Does PB Blaster penetrating oil work on that?

It sounds like he tried to Dremel slots for a screwdriver and
sheared/rounded off what "head" was left.He may have to cut off the "heads"
completely and use a ViseGrip to remove the remaining bolts.(after the TPS
is out of the way)

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Jim Yanik
jyanik
at
kua.net

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jim beam - 29 Jan 2007 20:37 GMT

> jim beam <spamvortex@bad.example.net> wrote in news:7LydnYnHAcY-
> GyDYnZ2dnUVZ_rjinZ2d@speakeasy.net:
[quoted text clipped - 28 lines]
> completely and use a ViseGrip to remove the remaining bolts.(after the TPS
> is out of the way)

ok, but in terms of getting the tps off the old body, none of this
matters as long as it can be removed intact. the most important job is
getting the old sensor off the good car. maybe i've been lucky with
corrosion-free california vehicles, but i've removed 4 sensors from 2pfi
88-91 civic's using the chisel method with complete success and about 5
minutes work. refitting is easy using m5 or m6 [can't remember] machine
screws.

pics of what to do here:
http://i16.tinypic.com/2gslauq.jpg
http://i14.tinypic.com/2rffrjs.jpg

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