2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Dashpot or not?

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Old Nov 11, 2003 | 12:31 AM
  #1  
walken's Avatar
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From: Whiterock
Dashpot or not?

Do s4 n/a FC's have one or two dash pots? I know the bell looking thing under the intake tube is a dashpot, but what about the other bell like device behind the alternator? When I replaced my alt and was screwing it back in, the dashpot looking thing was getting twisted around.

Good? Bad? Remove it?

The FSM states its a Double Throttle Diaphram, and from what I can tell, opens the throttle plates with vacuum.

Is there a cetrain way it should be sitting?

Last edited by walken; Nov 11, 2003 at 12:35 AM.
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Old Nov 11, 2003 | 01:14 AM
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From: Hood River oregon
I removed my dashpots.. Didnt notice that much of a difference.

Jarrett
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Old Nov 11, 2003 | 01:20 AM
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From: Millville, NJ
You have 1, TIIs have two. Try to take it off and see how your car runs, if you like it, great. If not, replace it if you bent it to hell.
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Old Nov 11, 2003 | 06:48 AM
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From: Orange Park FL (near Jax)
The rear dashpot just keeps the throttle from slamming shut.
The front diaphragm just keeps the mechanically challanged from going WOT on a cold engine.
The only problem is the 3/8" coolant circuit that works the thermo-wax module that works the diaphragm.
That coolant hose bend under the UIM is out of sight & out of mind until it blows.

Last edited by SureShot; Nov 11, 2003 at 06:50 AM.
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Old Nov 11, 2003 | 01:35 PM
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From: Whiterock
cool, thanks guys.
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Old Nov 11, 2003 | 01:46 PM
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From: CA
if you have a very light flywheel, sometimes the car stalls on deceleration if without dashpot
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