1998 Nissan Frontier revving the engine

1998 NISSAN FRONTIER
204,000 MILES • 4 CYL • 2WD • MANUAL
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JOHNNYJOHNSTURR
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My air condition hasn't been working lately but I realized that if I rev the engine in neutral then it starts to work just fine. Does it have to do with the belts? Also I hear my compressor constantly engaging and disengaging (probably every 45-60 seconds). I recently changed my alternator belt and was thinking maybe it had to do with that. How can i get my air condition back?
Mar 10, 2010 at 12:47 AM
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JACOBANDNICKOLAS
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If the belt is tight, I'm going to say it is low on freon. That would explaine the cycling you hear and the cold air only on higher RPM's. Also, if the belt was slipping, it would squeal.

Let me know what you find.

Joe
Mar 14, 2010 at 11:30 PM