Question about 1991 Geo Metro
Sometimes automatic transmission will not shift out of first gear. manually shifting or automatic
Posted by Anonymous on
Nobody reads FSM, nobody reads the chapter , on cars tests?
is that it? throw i the towel at first fail?
ok the book shows these simple tests, in order
exact trans model not stated. so generic hyramatic answer.
gee , fresh ATF flush the clogged filter? you think pumps can suck ATF through a packed filter, why?
1: STALL TESTS, 1ST AND Reverse, (if tranny slips do #2)
2: line pressures tests.
3: if all above good the hydramatic has 2 parts that can fail.
one is the tail shaft governor. some have hidden screens too.
if dead, or gear cracked, 1st gear is forever. easy fix.
4: vacuum modulator bad, they can leak inside, and kill line pressure to the governor.
5: the kick down cable (TV) at the any point and at a/t port valve.
can stuck fully out, and delay shifts, so far out , you;d never find it.
all that is covered, in the FSM, the factory service manaul
ever heard of that, all cars have one, and amazing covers all this.
if transmission, has Tcm BRAIN, THE TESTS Vary greatly
no ? TV cable, no modulator, and not governor.
so in this case scan the TCM. the PCM on this car does not shift car.
post trans name fully off its sticker, some cars have 3 transmission choices, stick and 2 autos. one might be, electronic shifted, TCM
92 is a transition year.
Posted on Jan 17, 2015
Your probably looking at a transmission rebuild. But it is sporadic. Could be a valve body problem or solenoids. and electrical. Throw it on a scanner and find out.
Posted on Jan 01, 2015
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Posted on Jan 02, 2017
SOURCE: 1992 geo metro
The check balls I put back in were slightly larger. You should be able to get them from any transmission shop or the Chevy dealer. I got my gasket from the Chevy dealer.
Posted on Aug 15, 2008
SOURCE: I have 1992 Geo Metro
Did you change the transmission? You state you are trying to change it. I woulkd think all you need is a new valve body. If the valve body is bad it will not shift the rans automaticly all the time. It has pistons in it and they are sticking. When they do that the trans will shift manually only
Posted on Nov 27, 2010
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