2007 Chevrolet Uplander Q&A

2007 Chevrolet Uplander Question: whats the wheezing noise when i take off in 1st gear when the heater is on ?

As it moves in to higher gear the noise stops. There is also gear slipping in first even after the trany oil has been changed.Thanks -
Answer 1
possible transmission issue -
Answer 2
I agree get your -