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Does a Heater Trouble Shooting Guide exist? - Engine/Ancilliaries - The Lotus Forums Jump to content
Kiwi-boy

Does a Heater Trouble Shooting Guide exist?

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Want to fix the heater on my 89 turbo esprit,

Must admit, I'm worried it will be my new hobby I don't need, judging by the number of posts & 

sophistication of the system.

Keen for any help diagnosing the issue,

thanks,

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What wrong with yours?

 

Some quirks are designed-in (as in, the face-level vents can produce A/C but not heat)

Other issues are well documented (but require SEARCH skills). Vacuum leaks, clogged heater matrix, etc.

 

:X

 

 

 

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1. Check all the thin, black vacuum hoses & their rubber connectors are not split & leaking.

2. Check the vacuum pump is working.

Good luck :thumbup:

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18 hours ago, CarBuff said:

What wrong with yours?

 

Some quirks are designed-in (as in, the face-level vents can produce A/C but not heat)

Other issues are well documented (but require SEARCH skills). Vacuum leaks, clogged heater matrix, etc.

 

:X

 

 

 

Didn't realise that CarBuff, thanks,

Sometime I get luke warm air out of the windscreen vents, sometimes I don't.

Would like to narrow down my learning curve,

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10 hours ago, jonwat said:

1. Check all the thin, black vacuum hoses & their rubber connectors are not split & leaking.

2. Check the vacuum pump is working.

Good luck :thumbup:

Will do thanks John,

BTW like your website

  • Thanks 1

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