Question about 2002 Oldsmobile Bravada

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2002 oldsmobile bravada smart trac all wheel drive frt tires wont engage

My bravada smart trac all wheel drive was working properly then one day it started grabbing all fours on pavement you know like a 4WD on pavement it was doing that for a couple days then i heard a pop in the rear now it only turns rear tires i do know that the transfer case i a viscous drive thats it. im hoping i just have to change transfer case oil and all will be well

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  • chuck hayes Jan 13, 2009

    thankyou for answering back this transfer case is a automatic no button to engage it takes a special slp fluid and the book does say to change once a year so i will try that thankyou not fixed yet but working on it ill get back later

  • chuck hayes Jan 13, 2009

    thankyou for answering back this transfer case is a automatic no button to engage it takes a special slp fluid and the book does say to change once a year so i will try that thankyou not fixed yet but working on it ill get back later

  • gdkwalters Feb 18, 2009

    the same thing is happening to my Bravada... feals like it's in 4wd. Why is that? what can I do to fix???

  • Anonymous Mar 09, 2009

    My 2002 Bravada is in the shop for the third time now for the same problem.....stuck in 4 WD. They tell me it's the small accuator electric motor on the side of the transfer case that keeps going bad. If this contuinues, I'm thinking about telling them to get it in 2WD and leave it. So much for the Olds SmartTrak.

  • landman620 Mar 09, 2009

    I just had the transfer case on my 2002 Bravada rebuilt. It is a 13 wet clutch system that's still giving me problems.....sticks in 2WD. The mechanic tells me it's the accuator motor on the side of the transfer case going bad.....

  • carilee Mar 28, 2009

    my bravada is doing the same thing. But it feels more like the brakes are trying to lock up. When i make a sharp turn, it won't move unless i press on the eccelerater. But this happened when i had a new battery put in my truck. Some say that I need to find a reset button, but i can not locate that button.

  • Anonymous Mar 24, 2014

    do you know the number on the relay

  • Anonymous Mar 24, 2014

    number on relay

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I can tell you exactly when my mechanic can find the part cheap enough for me to afford to replace. He's telling me its the computer sensor that automatically switches to 4WD. For now, he has taken it out so that it is in 2WD. The only thing is that the service AWD light stays on, but it works fine now even though it is only 2WD. I'll worry more about the part when it gets closer to winter. By the way, I think he said the part was $400-500 brand new. We are trying to find an after market or used one.

JB

Posted on Jul 27, 2009

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Drain the transfer case and check for metal particles in the fluid, there also may be debris bigger than that, try the fluid change in any event then if that doesn't do the trick you will have to overhaul the transfer case, this is a standard transfer case used by light duty trucks and SUV's based on a truck chassis, not the viscious drive type used bt passenger cars like Suburu

Posted on Jan 08, 2009

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I have a 2002 olds bravada smart trac awd. the check engine light came on and it was scand and said EVAP emmissions control and it is not because i dont turn the gas knob tight enough

Posted on Jul 30, 2009

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I have 2K bravada. Make sure you have serviced your transfer case with the "blue" GM Auto-trac II fluid. The "encoder" motor is a common failure item also. Unplugging it at the transfer case should cause the "service smart trac" light on dash to appear. This tells you that probably the encoder controller is good. Only buy the GM/Delphi/AC Delco motor, or you'll be changing it often. Try "thepartsladi" on eBay!

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