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1998 New Beetle Pressures/Specs

gferris on Thu May 28, 2009 1:48 PM User is offline

1998 New Beetle A/C problem

Static Pressure ~ 95 both high and low side
Compressor clutch engages and stays on, center bolt and nut rotate with clutch, no strange noise.
However - after running 5 mins with compressor on - low side pressure 85psi, high 125psi

Could this in any way be charge levels - i.e. is it worth dumping the system, putting a vac on, and then doing a recharge, to see what that does??

Or is this 100% indication of bad refrigerant control valve or something else bad inside compressor itself?

What is the charge spec (oz) for the 98 new beetle?

Thanks

TRB on Thu May 28, 2009 2:12 PM User is offlineView users profile

24 ounces is the refrigerant capacity.

Of course some diagnostics should be done. But history tells us with this vehicle and posted pressures, you have a dead control valve in the compressor, which requires a replacement of the compressor.

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gferris on Thu May 28, 2009 2:34 PM User is offline

That's about what I figured. The car itself isn't in great shape - definitely not worth the $1,100 approach. It might be worth the $350 DIY approach. Is it entirely dumb to even attempt to replace the refrigerant control valve ($70 ish with value and gaskets etc.) inside the compressor, or is that just asking for trouble having not tore one apart before and not having a clue what I will be getting into (but fairly mechanically competent)?

TRB on Thu May 28, 2009 3:08 PM User is offlineView users profile

They can be changed but you have to break down the compressor to the internals to do so.

-------------------------

When considering your next auto A/C purchase, please consider the site that supports you: ACkits.com
Contact: ACKits.com

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