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[raximax]

hi again i fitted my towbar today no probs but still have to wire it up just a single socket i have been told not to wire it up to the lights but get some power relay what is this thing, do i need to fit one 3.0 elite and i got my aircon regased today but never made a differa nce any ideas :question cheers  

[TheBoy]

Wiring - relayed to stop the check control having a fit

A/C - did they check for leaks? Is the condensor getting warm?

[raximax]

no they never checked for leaks i will check the condenser to see if it heats up but you cant hear it kicking in.just wondered if it could be something simple like a fuse or relay as i dont think its worth spending a lot of cash on as it aint that hot up here....

[nemesis_v6]

i would check the fuses as it is some thing you can do your self and if it solves the proplam you saved a couple quid im not sure if the air con has a relay some one will correct me no doudt there good like that lol but if it has check that as well

[TheBoy]

no they never checked for leaks i will check the condenser to see if it heats up but you cant hear it kicking in.just wondered if it could be something simple like a fuse or relay as i dont think its worth spending a lot of cash on as it aint that hot up here....

If you can't hear it kicking in, I would say its due to lack of pressure....

[raximax]

well you can hear the revs increase when you switch the eco button off so it is comming on but it aint getting any colder. i could not get my hand in to feel the compressor is getting warm as i let the pipes get to hot....arghhhh :-/ :-/ :-/ :-/ :-/ :-/ :-/ :-/ :-/ :-/ :-/ :-/ :-/

[TheBoy]

OK, if revs are changing, I think that means enough pressure, so worth checking the HBV is working...

[raximax]

hbv :question :-[sorry what is it how would i know if its good or bad
 

[mv6copcar]

well you can hear the revs increase when you switch the eco button off so it is comming on but it aint getting any colder. i could not get my hand in to feel the compressor is getting warm as i let the pipes get to hot....arghhhh :-/ :-/ :-/ :-/ :-/ :-/ :-/ :-/ :-/ :-/ :-/ :-/ :-/

i had the same trouble, my local stealer ''re-set'' the control panel-i think its got something to do with the positions of all the flaps/valves in the air con/heating system. i'm sure someone will help soon.
HTH

[Kevin Wood]

You should see 3 little round lumps on the air conditioner compressor pulley. If they start rotating when you take of the ECO mode the compressor is engaging which means the system thinks there's at least some charge in the system.

The top air con pipe from the bulkhead to the pump should get cool, and the pipe which runs from the air con compressor to the condensor in front of the radiator should get hot.

Run the system on "LO" (minimum temperature) for a short drive, pull over and, with the engine still running, feel the pipes that lead to the heater matrix on the left side of the driver's footwell (you might need to remove the panel above the driver's feet to get to them). These should not be hot. They may be slightly warm but if they're really hot the system is still heating (in addition to cooling). Net result insufficient cooling!

This is where the Heater Bypass Valve comes in (see the howto on this). It's a valve that should stop the water supply to the heater matrix when the air con is running. It could be knackered or, alternatively, the vacuum supply that actuates it could be defective.

Kevin