Question about 1994 Geo Tracker

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1994 Geo Tracker 4x4 auto.Problem is that it wont shift until about 4000 rpm.Replaced modulator & did fluid & filter change.No help.What can I do now?Does this tranny (3-spd auto) have a governor?

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  • bkb092000 Jun 15, 2010

    Would the governor have to come from a tracker tranny or could it come from any TH180? I know this tranny was used in many different cars all the way back to the Chevette.



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Yes that tranny has a governor. take off the transfer case and where the transfer case bolts to the transmission there is a ext. housing take off also and its bolted to the park shift gear check the govenor valve body for cracks.

Posted on Jun 12, 2010

Testimonial: "Do you know where I have buy a governor? I have checked local parts stores & done extensive online search & can't find this part anywhere."

  • decaying_sku Jun 13, 2010

    if you are looking for the govenor valve cover than you can go to they also have other parts for that transmission now if you are looking for the govenor entirly i havnt found a place either try looking at a salvage or junk yard



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1 Answer

Where is the transmissin fluid plug on a 1990 geo tracker

Most of these do not have a transmission fluid drain plug if yours is an automatic. My 1995 did not have one and the entire pan had to be removed. Mine was a 4x4 so I had to disconnect the four bolts that holds the front drive shaft up just so I had enough room for the pan to come down. While I was in there, I removed the old transmission filter and there is a magnet in the bottom of the pan that catches metal shavings. Go ahead and clean all that out while your in there. Get you a transmission filter kit and it includes the new pan gasket. You can do this job with fairly basic tools and patience. Just take one corner of the pan loose at a time to allow most of the old transmission fluid to drain. My tracker didnt want to shift into second gear until it warmed up. I ran some Sea Foam brand transmission cleaner through it and then changed fluid and filter after driving a couple of days. Totally fixed my problem.

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1 Answer

Wont shift till 4000 rpm

must be a slush pump automatic.

how many doors on car

what engine/? 8v or 16v.

the 2door has a 3speed AT.

the 4door has the 4speed.

both those can slip , is the tranny slipping??????

if not, then its SHIFTING late (fact)

ok both 3/4 speed has kick down cable and if stuck in the pulled out

position, will shift late, (it thinks you are passing all the time)

The 4speed , is the OD lamp stuck on?

the 3speed has more fail pathes here.

bad Vacuum modulator, bad inside, leaking, causeing late shifts.

bad Governor, or its screens packed with crap. or just bad.

the Gov. senses the cars speed, tail shaft RPM is how it does this.

ever do a full transmission service. if not why not.

seems it ready ,no?

Apr 20, 2014 | 1994 Geo Tracker

2 Answers

1993 geo tracker won't shift into second gear

3sp, 4sp or 5speed
all are different, radially.

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Auto transmisson having to warm up before shifting

Other than removing & clean the valve body, I would say
your trans is about worn out

Any trans is only good for about ten years & only
if the fluid is changed every 3 years

Too late to do fluid now
That won't fix a thing

May have to rebuild it

Getting warm to work, tells you the valve body is
expanding & then trying to work,so try cleaning it

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