Isuzu: torque converter?

"Gemini Jackson" <com> wrote in message
news:com... 
Gemini, lemme get this right...2001 3.5 Trooper - roger on the oil
consumption - welcome to the 3.5 oil guzzler's club. Looks like you've
replaced most everything that would cause poor engine performance, except
for that which would cause one spark plug not to fire, which is a vacuum
leak. Or possibly that coil, but can you tell us how many miles are on this
engine? My 98 has nearly 100k and is running strong, with the same coils,
same timing belt, same everything it had on it when I bought it with 44K on
it... but intake manifold gaskets are a known problem with these engines (in
addition to lousy gas mileage and high oil consumption). And a leaking
intake gasket could make the noise you hear on startup, loss of power, etc.

I agree with the previous poster on the tranny rebuild. What was wrong with
the tranny that it needed a complete rebuild? A rebuild on the tranny should
have included a new torque converter. If you've lost fluid out of the pan on
a rebuild, I'd very much be questioning the competency of the shop that you
had do the work. And didn't your troop come with a 10 year, 100000 mile
warranty? I concur, you need to first check the reason for the leak,
determine if the tranny is developing the proper pressure (which a good shop
can measure for you) and tell you whether or not your TC is actually
defective, but I suspect it's not. I do think you may have been taken for a
ride in your tranny "rebuild".
Let us know how many miles are on your truck, and the results of a vacuum
gauge reading at idle when you start it (taken from a good vacuum source,
like the pvc hose inlet to the intake manifold. Should be pretty high if you
don't have a leak.
HTH,
GreenGas

On Tue, 12 Jun 2007 05:05:14 +0300, "Nate" <gs> wrote:
 

Installed the TPS (70$), runs much better. Not perfectly smooth, but
not bad for 200K miles. There's no IAC on my model. I may replace
the fuel injectors eventually but it seems to be improved a great
deal. Many thanks for the tips, MUCH appreciated!
~GJ~