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Melted coil wire covers

Help, Advice and DIY Tutorials on Volvo's extremely popular car line -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

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tombrisk
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tombrisk

Melted coil wire covers

Post by tombrisk » Sat Jun 13, 2020 7:35 pm

Checking plugs on my 2000 V70- the protective wiring covers are mostly gone, melted, cracking and brittle.
Is that something to be concerned about?
I have some and will try to replace, but sheesh!
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IMG_20200613_183336898.jpg
And puddles of them too

800artfreed
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800artfreed

Re: Melted coil wire covers

Post by 800artfreed » Sat Jun 13, 2020 7:58 pm

This looks fairly typical. I have replaced some and have considered doing more but the car is running well. "If it isn't broken, don't fix it" is sometimes a good strategy :-)

tombrisk
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tombrisk

Re: Melted coil wire covers

Post by tombrisk » Sat Jun 13, 2020 8:22 pm

Heh. Where were you for my last shade tree 'mechanic' botch job?
Thanks~~

scot850
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scot850

Re: Melted coil wire covers

Post by scot850 » Sat Jun 13, 2020 11:17 pm

Perfectly normal. Plastic of this age and seeing high temps will go brittle over 20 years. I replaced all of the wire covers about 5 years ago on my 'R' and also my last V70 base. The leaking oil you have needs to be fixed as that accelerates the issue. Check for PCV pressure (glove test) and also check/replace the oil filler cap seal. Most likely brick hard and leaking.

Neil.
2000 V70 R - still being an endless PITA
2006 XC70
2003 Toyota 4Runner V8 Limited
2015 Kia Sportage EX-L
1993 850 GLT -Sold
1998 V70 XC - Sold
1997 Volvo 850 SE NA - Went to niece in California - Sold
2000 V70 SE NA - New project and test bed - Sold

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abscate
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abscate

Re: Melted coil wire covers

Post by abscate » Sun Jun 14, 2020 8:24 am

You can buy the loom at an friendly local auto parts store like NAPA ,Advance ,Pep Boys, or Autozone.
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tombrisk
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Re: Melted coil wire covers

Post by tombrisk » Sun Jun 14, 2020 11:36 am

abscate wrote:
Sun Jun 14, 2020 8:24 am
You can buy the loom at an friendly local auto parts store like NAPA ,Advance ,Pep Boys, or Autozone.
Cool thanks

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volvolugnut
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volvolugnut

Re: Melted coil wire covers

Post by volvolugnut » Sun Jun 14, 2020 11:59 am

Try to get wire loom with high temperature rating - at least 250 F, but 300 F is better. The cheaper, common temperature version does not last on top of the engine. IPD has the smaller sizes in the high temperature rating. The larger diameter loom is harder to find in high temperature rating. I found it at Fastenal. Use high temperature, good quality electrical tape as well (3M super 88).
volvolugnut
2001 V70 T5, 1986 244DL, 1983 245DL, 1975 245DL, 1959 PV544, multiple parts cars.

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