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post #1 of 10 (permalink) Old 10th August 2008 Thread Starter
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Renault Laguna 2 - Heater Problems

My 02 plate Laguna has now had 3 rheostats and 2 control panels and still having the air con switched on for more than 45 minutes burns it out.

It has been in the garage more times than an oily rag, am I right to be slightly ¤¤¤¤ed off??

The rheostats are £109 and the control panel £200 so far a warranty covers 90% of the cost less £25 excess.

Has anyone else had this? Ive searched the forum but to no avail.
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post #2 of 10 (permalink) Old 10th August 2008
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I would check the pollen filter unless its been
renewed as if it's blocked it restricts air flow
so you dont only get less air coming through
the vents but it is also used to cool the electronic
bit's, dont know were it is on your car though,
but worth a look.

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post #3 of 10 (permalink) Old 10th August 2008
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check also for water leaking into the air box, water in the motor assy will cause it to start to sieze, the extra load consumed will certaintley burn out a few resistors if not noticed, have been there myself, the leak wasnt mentioned by the customer as he either didnt think it relevant or hadn't noticed, only reason i noticed was i removed the motor to check it following 3 resistors in as many months, found dampness inside the motor assy and signs of corrosion, and yes the motor was stiff compared to a new unit, replaced the motor over a year ago and so far no probs, getting the root cause is sometimes difficult so be patient.

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post #4 of 10 (permalink) Old 10th August 2008
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I would have hoped that pollen filters would have been checked, also dampness around the unit.
I would ask these questions from the garage and take it from there.
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post #5 of 10 (permalink) Old 20th August 2008 Thread Starter
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Got it back

Car was back monday and after the garage had replaced the fan it is now working.

They said they checked the motor for resistance and it was fine but after me insisting they check again they compared it to a new one and found it to be a lot harder to spin.

3 days later and all is still well, Ive got to run it for 2 weeks to be certain that was the fault then pay the bill.

Think I should as for the cost of a rheostat to be taken off the bill? they,ve replace 3 and a control panel just finding the root fault.
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