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300/66 Series General Forum for the Volvo 340, 360 and 66 cars |
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Air intake preheater hoseViews : 2236 Replies : 8Users Viewing This Thread : |
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Mar 14th, 2021, 07:48 | #1 |
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Air intake preheater hose
Sounds sophisticated but in reality it’s a piece of corrugated hose that goes from a cowl around the exhaust manifold to the air intake. It is switches by a wax thermostat. After a while the engine movement shears the pipe and it falls apart. Having tried many options I finally found a fix from CEF (City Electrical Factors) who supply corrugated ducting in 1 m lengths. It’s steel and unwinds so it needs tin snips to cut to length but does fit tightly on the 50mm dia ports.
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Jul 12th, 2021, 06:28 | #2 |
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Do you have an article number of them?
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Jul 12th, 2021, 07:18 | #3 |
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https://www.cef.co.uk/catalogue/cate...ter%5B%5D=50mm
I think this is the one I used. You can buy a single metre length. Please check though
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Oct 4th, 2021, 10:26 | #4 |
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A bit late here, but I repaired the original ducting/ pipe using self adhesive aluminium tape bought from Lidl. May help someone else.
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Oct 6th, 2021, 17:13 | #5 |
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When running LPG it is usually best to remove that pipe
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Oct 7th, 2021, 07:50 | #6 |
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Okay, why’s that?
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Oct 7th, 2021, 19:42 | #7 |
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1) the carb does not freeze on LPG (the vaouriser does)
2) the change in air temp messes with the fuel mixture |
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Mar 14th, 2022, 21:07 | #8 |
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I used cardboard and electrical wire to fix mine on my 1980 1.4 back in the early 90s. Carb freezing is definately a thing at 70mph around 0C. On slowing down it recovered.
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Mar 24th, 2022, 15:13 | #9 |
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I removed it and I believe the car runs much better. Thank you
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