1991 Trofeo anti lock - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 12-11-2013, 10:09 PM   #1
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Default 1991 Trofeo anti lock

Hello all, I just purchased a 91 trofeo in pretty good condition from
a party I will refer to as a car jock - have purchased many cars like this
that usually need mechanical repairs - guy told me the left rear caliper
was sticking and needed replacing - a common problem w/these cars,
the car has a rock hard pedal(no assist),Anti lock and brake light on, hardly any brake fluid in master( he told me there were no leaks but didn't know where the fluid was going, i think this is why he gave up on the car) after running up and down his driveway a few times to shift the trans I left it idling for 15 min or so when I put it in drive the brakes were all locked up car wouldn't move shut it off for a while and they unlocked. I found junkyard marking paint on master cyl, mass air flow. this is my first Trofeo(have owned many H and C bodys) This car is a 91 but it has the Teves MkII master w/accumluator(which I think is the problem) I have a complete master assy from a 90 SSE in my garage that I pulled from a junkyard about a year ago - the accumulator attaches differently than the Trofeo - is the accum ball interchangable?
I searched online found one at reattastore.com but it says not for 1991.
Sorry for the long story but here is my point - does the car have the correct
master cyl or did the guy just grab one off a 89-90? if master is correct will
accum ball off 90 SSE master(same p/n as reattastore.com p/n) fit?
Thanks for any input as this is my first foray outside H/C body.
BTW, what is body designation of Reatta/Trofeo ?
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Old 12-12-2013, 07:30 AM   #2
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Default Update

Checked VIN - car is a 1990 not 91 - have been reading about Teves I think
I'm on the right track - is very cold where I am right now so working on car outside will have to wait for awhile.
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Old 12-12-2013, 07:46 AM   #3
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i think i would make sure all the calipers are free and crack the bleeders to see if there is good fluid and there isnt a kink in the line. before i went through messing with the master and abs stuff
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Old 12-12-2013, 05:53 PM   #4
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Default In the Shop

Took it to my local Pop and son garage - they were good to me last winter
when my power steering cooler rusted on my bonne - will know whats up in
a day or so - Thanks for the good advice.
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Old 01-03-2014, 11:07 PM   #5
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Unhappy Back from the shop

$900 brake job all 4 calipers, rotors,pads used pump and accum that I had laying around in my garage - drove the car 3-4 miles nice pedal THEN
about 3/4 mile from home the front brakes almost completly locked up
had the car almost floored to make it up my driveway - smoke pouring out of the front wheels - this car has the typical instrument cluster problem plus
DIC and heater controls dead when I picked up from shop - they were working
when I dropped it off - mechanic said car has electrical prob no taillights -
heard a buzzing sound from under the dash when I was driving it and could smell electrical-guess I got more than I bargained for although I picked up
a factory service manual off ebay - haven't dug too deep yet but diag in
manual doesn't list my symptom - car drove nicely tho.
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Old 01-04-2014, 11:43 AM   #6
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Sorry you are having the issues, but sound like a nice project car and not to many out there. Keep posting the issues and how you are fixing them.
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