[Supras] Found Overheating Problem

[Robbie]

    My 91T had been overheating for a couple of years...could only drive it short distances from home. Considering how much I enjoy this car, I refused to part with it. Initially, I thought it was a BHG even though the head gasket had been replaced 3 yrs ago with an HKS metal head gasket. 
    Recently, I drove it home and it started making a loud banging noise from under the hood. I finally broke down and had a guy look at it that used to work on Supra's at a local dealership. The balancer on the crank pulley had come off. (I found the balancer in my yard after the car was towed !) I was told that it had taken a very long time for this to happen and this was most likely the cause of the overheating problem as well as other problems, ie., headlights dimming, etc. 
    The mechanic ended up shimming the crankshaft and  replacing the crank pulley. He also replaced the timing belt and some of the hard to reach hoses around the engine, among other things. The only problem I am having now is the automatic transmission which, basically, has no 2nd gear...time for a rebuild !
    When I initially talked to the mechanic about my problems, he had an idea that the crank pulley was the problem (sight unseen). He said that it appeared to be a common problem with the MKIII Supra's. If I am wrong, correct me. I just felt I would pass this info to the list in hopes that it may help someone. 

Robbie
91T w/electric sunroof