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P38 heater matrix


Simon_CSK
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I had the usual wet carpet on the drivers side on my P38 so obviously I though the O rings were gone. Stripped the car down and got the pipe disconnected very easily to find that the o rings appear to be fine. 

Great I though put it back together with new rings and all will be good. 

Here's my dilemma. Do I assume that the o rings were leaking as the screw holding them in came out very easily and may not have been tight enough to hold the pipe in give than the car was not in use for 3 years or do I assume that the heater matrix is knackered and set about replacing that to be sure.

I don't really want to have to do the job twice and am not sure at all if the screw holding the o rings in was tight enough because of how easily it came out. I never has a problem with the heater in the two years that I used it regularly. But was put off the road because I cooked the engine. So may have been leaking and I didn't notice. Again I cooked the engine because I hadn't topped up the cooling system.

 

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9 hours ago, Blanco said:

Another common leak that gets into the footwell are the pollen filter housings in the scuttle panel below the windscreen, have you checked on those?

Hi Blanco , what do you check for in these areas ? Are there any drain holes in the pollen filter housings that may be blocked as I am also are suffering from wet footwells , regards Paul .

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28 minutes ago, Blanco said:

See here for a bit of explanation,pollen filter thread Landyzone the other obvious check are the drain tubes for the AC, which is much easier if you learn how the trim sides to the tunnel come away, a very useful skill to have I am learning!

Thanks for that , sorry if I hijacked the thread but was having to wear wellies when I went to drive the car after it had been raining .

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Too bad, usually it's the O-rings. Something I need to tackle as well...

There is a way of getting the matrix out with the dash in place. You need to cut a support I believe, several topics on RangeRovers.net giving the details.

Filip

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Filip

I have seen a video on Utube about removing the matrix without removing the dash however we are in lockdown and I have plenty of time to play with it so will take my time and strip the dash out.

I also need to replace the blower fans and all the wood trim I am replacing with Piano black that I recently aquired so should get easier access,. 

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I think the blowers are even worse to access than the heater matrix! I have a removed dash from a parts car, and even then the blowers seem well buried. Best of luck, as you say, now is the time for those fiddly jobs. 😉 I plan to reassemble the R380 for my project P38 next week.

Filip 

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2 hours ago, Escape said:

I think the blowers are even worse to access than the heater matrix! I have a removed dash from a parts car, and even then the blowers seem well buried. Best of luck, as you say, now is the time for those fiddly jobs. 😉 I plan to reassemble the R380 for my project P38 next week.

Filip 

I think I am going to need it 🙄

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  • 2 weeks later...

Taking the dash out is not as horrendous as I thought just time consuming now for the heater matrix. This means now dropping the support frame to give me access.

Question for you. The dash only required me to release one 8mm bolt. Do you think the dash has been removed before? :hysterical: :hysterical: :hysterical: :hysterical:

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