Air Con - No Fans - Green Light On

[mattbrum]

Evening All,

Wonder if some clever person, or unfortunate to have had the same problem might be able to help?

After getting caught a couple of weeks ago in very bad rain, the cabin heater fan stopped and smelt rather electrical for a while. A journey back with no heater. Left it parked for a day, still feeling a bit miffed, started up, all worked ok. Checked the fan turned freely and there was no resistance so assumed all ok.

Went to use air con earlier this week, green light illuminated; I could tell that it hadn't kicked in as you didnt feel it load the engine. It was topped up a month ago and worked fine until the motor stopped that day and we had the electrical smell. The fans dont kick in either.

I've checked the fuse 16 and danced the relays through each of the positions I can.

Any suggestions, or obvious things ive missed?

Thanks,

Matt

[francophile1947]

Probably your fan resistor pack has melted and needs re-soldering - loads on here if you do a search

[Driver+Passengers]

I've had the same symptom recently (green light, no fans no engine load - unresolved), though it seems to be intermittent.

[mattbrum]

Just pulled out the fan resistor, all connections seem to be ok.

Clear that its been re-soldered in the past though.......

Probably didn't make it very clear in op. The cabin heater fan is working on all speeds again.

[joca]

Hi Matt. Sorry That I cant help with this prob. I have a 2500 V6. I live in Brum as well, Westheath. If you have the same we may be able to help each other in the future. I have had a prob with mine. It has now fixed. replaced three parts but did not fix the prob. What I mean is if you can swap a part to try to make sure that is the problem, as it cost me £150. Before I found what it was. good luck with your prob. John

[mattbrum]

Hi John,

Thanks for the kind offer! I've probably seen you about, Im in Northfield.

While I'm thinking, where did you get yours fixed, or did you do it yourself?

Matt

[mattbrum]

Small update, when the pressure switch is removed (from the cannister at the front RHS) and one of the pins is grounded (or the pins of the connector bridged) the system fires up but does not get cold.

Does anyone know what feeds that connector?

Also is there anyone close to South Bham who wouldnt mind me trying their fan resistor pack?

Thanks

Matt

[patnben]

Small update, when the pressure switch is removed (from the cannister at the front RHS) and one of the pins is grounded (or the pins of the connector bridged) the system fires up but does not get cold.

I was always under the impression that the pressure switch disabled the compressor
clutch when the gas pressure was very low. By bridging the pressure switch you have
re-enabled it. No gas = No cooling.

If this were the case I don't understand why the gas pressure would be low when you
re-charged it only a month ago, maybe you have a serious leak, if the pressure switch
was U/S, then you should have got some cold air.

I could be wrong of course.

[mattbrum]

Mhhh maybe its coincidence, I'm not usually a great believer in it!

I'll take it back and get checked for leaks!

Thanks for all your help!

Matt

[mattbrum]

Coincidence it was, rear HP pipe to rear heater is leaking.....

Can these be fixed or where would should i be looking to get a replacement.

[Northern Bongolow]

pipe itself or joint/o ring seal ??.

[mattbrum]

Its the HP pipe itself. I would imagine it has rubbed against the plastic saddle clip that secures it to the body.

I guess the 'o' rings will need replacing as a matter of course..

Matt