Recent content by Mike Fish

I have a 1996 SAHARA model 1HD-FT that has this feature, I thought all 80 series has this feature.

Sounds like your TPS (Throttle Positioning Sensor) needs to be adjusted, or replaced. This can cause your automatic box to 'hunt' for gears at around 2000 rpm in O/D. Engine acts like you are taking your foot off and on the accelerator.

Have you checked that the fan clutch has the right CST (centistoke) oil in it. (viscosity). To make sure, I would suggest you take the Fan Clutch apart, and clean out what ever oil is in there. You will end up with two halves, one will be flat and the other like a clam shell. Pour new 10,000 CST...

My company is the only one in Australasia who actually makes "Viscous Fan Clutch Oil". 99.9% of all fan clutches use 10,000 CST (centistoke). Using 3,000 / 6,000 CST's is a waste of time . Here in New Zealand there are some Auto Parts companies who import rubbish fan clutch oil from Taiwan...