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#1
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Vacuum Reservoir for A/C System
This reservoir is attached to the inside surface of the hood, colored black,
and looks like a bunch of tennis balls. Is it really necessary? Will the A/C work without it? My car is a 1988 VW (Rabbit) Cabriolet Convertible. Thanks for responding. |
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#2
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Are you sure it is there only for the A/C?
Vacuum systems generally server a number of functions. -- Joseph Meehan 26 + 6 = 1 It's Irish Math "Papa" > wrote in message ink.net... > This reservoir is attached to the inside surface of the hood, colored > black, and looks like a bunch of tennis balls. Is it really necessary? > Will the A/C work without it? My car is a 1988 VW (Rabbit) Cabriolet > Convertible. Thanks for responding. > |
#3
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Papa wrote: > > This reservoir is attached to the inside surface of the hood, colored black, > and looks like a bunch of tennis balls. Is it really necessary? Will the A/C > work without it? My car is a 1988 VW (Rabbit) Cabriolet Convertible. Thanks > for responding. That particular vacuum reservoir is not specific to the A/C, it is for the ventilation system in general. Vacuum from the reservoir is used to open and close the flaps to direct air to the various vents as well as to switch between fresh and recirk. If you remove the reservoir and leave the hoses open, you will not be able to direct the air where you want it, but the A/C will still work. If you bypass the reservoir (and remove it) the A/C & ventilation system will work fine most of the time, but you will find that during heavy acceleration the air flow from the ventilation system may change, and then return to after you are done accelerating. |
#4
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Hi Randolph:
Thank you for a very definitive answer. When I purchased this car a few weeks ago it did not have the reservoir, but at least the vacuum line going to it was capped off, and everything seems to work just fine. I haven't tried the A/C yet, its still winter here. Anyway, I showed the car to my local VW service manager and he did not seem to think that its absence was much of a detriment. I have looked just about everywhere for a replacement reservoir, including Ebay, but no luck so far. |
#5
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Papa wrote: > > Hi Randolph: > > Thank you for a very definitive answer. When I purchased this car a few > weeks ago it did not have the reservoir, but at least the vacuum line going > to it was capped off, and everything seems to work just fine. I haven't > tried the A/C yet, its still winter here. Anyway, I showed the car to my > local VW service manager and he did not seem to think that its absence was > much of a detriment. I have looked just about everywhere for a replacement > reservoir, including Ebay, but no luck so far. Head to the local junk yard. The same vacuum tank (part number 321 820 601) was used in the cabriolet from around 1984 through around 1993, so it should be easy to find one. |
#6
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"Randolph" > wrote in message ... > > Papa wrote: >> >> Hi Randolph: >> >> Thank you for a very definitive answer. When I purchased this car a few >> weeks ago it did not have the reservoir, but at least the vacuum line >> going >> to it was capped off, and everything seems to work just fine. I haven't >> tried the A/C yet, its still winter here. Anyway, I showed the car to my >> local VW service manager and he did not seem to think that its absence >> was >> much of a detriment. I have looked just about everywhere for a >> replacement >> reservoir, including Ebay, but no luck so far. > > Head to the local junk yard. The same vacuum tank (part number 321 820 > 601) was used in the cabriolet from around 1984 through around 1993, so > it should be easy to find one. Thanks, I'll give it a try. |
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