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Car Forum / Mitsubishi Cars / February 2004

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93 Expo 4G64 and 94-95 Galant 4G64 same?

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Stewart DIBBS - 22 Feb 2004 02:13 GMT
Would anyone happen to know if these have the same 4G64 SOHC 16v engine? I
need a throttle body for my Expo, and have been offered one from a US model
Galant. We don't have the Galant in Canada.

Stewart DIBBS
www.vysor.com/lancerproject
simpleton - 22 Feb 2004 14:08 GMT
stewart, i have no idea but suggest you order the gasket for the throttle
you are going to receive and see if it matches the intake on your expo.
what happened to your throttle?

> Would anyone happen to know if these have the same 4G64 SOHC 16v engine? I
> need a throttle body for my Expo, and have been offered one from a US model
> Galant. We don't have the Galant in Canada.
>
> Stewart DIBBS
> www.vysor.com/lancerproject
Stewart DIBBS - 22 Feb 2004 14:49 GMT
> stewart, i have no idea but suggest you order the gasket for the throttle
> you are going to receive and see if it matches the intake on your expo.
> what happened to your throttle?

The two little nylon gears in the Idle Air Motor (IAM) have partially
stripped, and its all the one assembly. The gears are of course not
available parts. I have to wait about 10 seconds for the CEL to go out
before I try to start the engine, or else it stalls immediately. Second try
is OK. When decelerating throttle closed, the engine jerks when the IAM trys
to compensate and hits the stripped region of the gear set. Its an
irritation rather than a major problem. I found a 93 4G64 SOHC 8v part, but
its not the same (smaller verturi size, different IAM parts)

New replacement of  throttle body assembly is around $400, I've been offered
a Galant part for $75.

Stewart DIBBS
simpleton - 22 Feb 2004 19:58 GMT
Idle Air Motor, is that the same as an Idle Stepper Motor? it attaches with
two bolts and a 35mm o-ring to the bottom half of the throttle.
i have found this to be interchangable between early 90's 4g63 (60mm
throttle), late 90's (52mm throttle) and japanese domestic market "cyclone"
(60mm throttle)
it seems to be fairly universal in it's application, you should be able to
bolt it up and be done.
the seals are also unavailable from the factory. i have found throttle
shafts at applied technologies (chicago rawhide part# 3930) for $4.22 each.

> > stewart, i have no idea but suggest you order the gasket for the throttle
> > you are going to receive and see if it matches the intake on your expo.
[quoted text clipped - 13 lines]
>
> Stewart DIBBS
Stewart DIBBS - 22 Feb 2004 21:08 GMT
> Idle Air Motor, is that the same as an Idle Stepper Motor? it attaches with
> two bolts and a 35mm o-ring to the bottom half of the throttle.

Hmm, I seem to recall that when I had mine off it was an integral casting.
I'll double check when it gets warmer, and if the 4G63 ISM is the same, I
can get one locally.

Thanks!

Stewart DIBBS
Tony Hwang - 23 Feb 2004 21:46 GMT
> Would anyone happen to know if these have the same 4G64 SOHC 16v engine? I
> need a throttle body for my Expo, and have been offered one from a US model
> Galant. We don't have the Galant in Canada.
>
> Stewart DIBBS
> www.vysor.com/lancerproject

Hi,
Expo is Colt or Summit in Canada. What size engine?
Checked your local wrecking yard?
Tony
Stewart DIBBS - 23 Feb 2004 23:05 GMT
> Expo is Colt or Summit in Canada. What size engine?
> Checked your local wrecking yard?

As I said, 4G64 == 2.4L, and yes, I have checked the local yards.

Stewart DIBBS
 
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