KentStateTsi Posted September 4, 2006 Report Share Posted September 4, 2006 i'm working on this truck for a friend. when any hvac setting requiring the ac pump to turn on the truck will almost and sometimes stall. the pump turns freely on its own, the IAC works. i can turn the biss screw up to where it wont stall but when the pump turns off its idle is at 1300. no vacuum leaks, only time it does this is at idle, highway driving is fine. Quote Link to comment Share on other sites More sharing options...
Dave1647545494 Posted September 4, 2006 Report Share Posted September 4, 2006 if the iac is not making the idle go up when the ac is turned on it is not functioning properly Quote Link to comment Share on other sites More sharing options...
Buckeye1647545503 Posted September 4, 2006 Report Share Posted September 4, 2006 wht do you say the Iac is working how did you check it? Quote Link to comment Share on other sites More sharing options...
KentStateTsi Posted September 5, 2006 Author Report Share Posted September 5, 2006 scantool shows IAC movement when ac kicks on...problem solved. thanks guys Quote Link to comment Share on other sites More sharing options...
Buckeye1647545503 Posted September 5, 2006 Report Share Posted September 5, 2006 for future use the scantool only tells you that it is sending power to it to move not that it is realy moveing Quote Link to comment Share on other sites More sharing options...
RangerTurbo Posted September 5, 2006 Report Share Posted September 5, 2006 sooooo, what was the problem? Quote Link to comment Share on other sites More sharing options...
KentStateTsi Posted September 6, 2006 Author Report Share Posted September 6, 2006 the bearings in the ac clutch and compressor. i guess moving it by hand was too slow to feel anything. Quote Link to comment Share on other sites More sharing options...
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