Vehicle & Technical > Discovery

Air Con pump

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gords:
Hello, me again :roll:

When I switch on the air con, the revs drop as expected and the air con works.

But ... something switches on and off, frequently, at irregular intervals which causes the engine revs to rise and fall. I'm assuming that's not right!? It is also 'kin annoying when driving in slow traffic, as it makes me look like a learner driver doing kangeroo jumps :evil:

Also, there is a distinct click (relay?) everytime it happens.

Any one with suggestions on where to start looking?

rangerider:
Is it just aircon, or full on climate control? If the latter I would guess its a thermostat turning the a/c on & off to maintain the set cabin temp.

I stand ready to be corrected

gords:
No, just (single) air con.

dazzawhipple:
Gords

I would be tempted to pay a expert to look at the Air con it may be something simple like not enough gas

Darren

beast5680:
sounds like its short of gas or its freezing itself and keeps cutting in and out, is the front rad clean? gordon strangely i have gauges and some expierience with aircon so i can take a look on sunday if you want

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