Quote:
Originally Posted by MOB916
Ok so here's my non-mechanic dumb dumb question.... How do I check the transfer case fluid for levels & coloration? I'm presuming there's no dipstick for that. I think I'm going to pick up the car & evaluate my options before authorizing any further ($1000++) services at the dealer service dept....
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under the vehicle in the middle is the transfer case . it has a big shaft connected to it that goes to the rear diff. On the bottom you will see a drain plug. up above that a few inches you will see the fill plug. you unscrew the top plug I think it is 15 MM. then you stick a plastic tie rap/ty strap into the hole. it should be a blue oil and just below the hole on level ground. if some pours out no big deal. I fill to the top of the hole and put the plug back on . torque to about 15 ft lbs. same as a spark plug... never over tighten because the case can crack. if the oil is black then you will need have a shop check it out or you can have the fluid replaced and see if it still works properly.
so what did they say was wrong ? you ask about the fluid ???
I believe this 2005 uses the GM trac II fluid in this transfer case. the NNBS 2007 -14 , GM I believed changed it to the dexron VI.
when ever changing the fluids in these always check with the GM dealership using your vin # to ensure you use/or the repair shop puts in the correct fluid. and yes there are idiot repair / lube shops that will put in the wrong fluid.