Q: After driving the explorer over a 100 miles the trans slips in 1st and 2nd

asked by on October 29, 2016

hubby who is a mechanic, just replaced the transmission. runs fine around town and short distances. But when driven for long distances slips in 1st and 2nd, but is fine in the higher gears. Can manually shift and is normal.

My car has 147000 miles.
My car has an automatic transmission.

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