air flow through vents
#1
air flow through vents
Hi I have a 1996 Camaro z28 convertible .My dilemma is If I have the air on the air flow nicely from the proper vents at idle or low speeds, yet when I get to higher or cruising speeds the air flow will all but practically stop Any Ideas .This is my first sports car seeing as how my wife and I are now retired and didn't want to go in debt to enjoy some rides Thanks Richard
#2
Re: air flow through vents
The flapper doors that control where the air flows through the system are controlled by engine vacuum. Most common problem is a broken vacuum check near the vacuum connection on the engine.
Shoebox has the info you need:
http://shbox.com/1/hvac_vacuum.jpg
http://shbox.com/1/vac_check_valve.jpg
http://shbox.com/1/vacuum_tank.jpg
The vacuum port for the HVAC system is on the passenger side of the intake manifold, right above the connection for the fuel pressure regulator vacuum compensation line:
http://shbox.com/1/fp_reg.jpg
Shoebox has the info you need:
http://shbox.com/1/hvac_vacuum.jpg
http://shbox.com/1/vac_check_valve.jpg
http://shbox.com/1/vacuum_tank.jpg
The vacuum port for the HVAC system is on the passenger side of the intake manifold, right above the connection for the fuel pressure regulator vacuum compensation line:
http://shbox.com/1/fp_reg.jpg
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