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Oil Filler Cap Seized

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.

1992 - 1997 850, 850 R, 850 T5-R, 850 T5, 850 GLT
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kashee77
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Oil Filler Cap Seized

Post by kashee77 » Thu May 02, 2019 5:47 pm

Anyone seen this one before? I think this is why the oil condition was so bad, I don't think the previous owner changed the oil for a while. The cams were coated with oil resin or varnish. Anyways any tips appreciated thanks
PS how do the cam lobes and lifters get oil? I see the oil port feeding the cam journals but don't see how it gets to lobes.


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98 V70 XC (Parts Car)
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99 V70 XC (Parts Car)
96 850 Turbo
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95 850
88 740 had 466,000
I am a bit of a fan

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Re: Oil Filler Cap Seized

Post by abscate » Thu May 02, 2019 6:31 pm

Big pipe wrench, or, worst case, get a new one from a supporting MVS vendor in hand, then bash it off with a Swedish Thor Hammer.


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WhatAmIDoing
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Re: Oil Filler Cap Seized

Post by WhatAmIDoing » Thu May 02, 2019 7:04 pm

You can try to angle a straw from a can of penetrating oil up around the edge of the cap. Then take a big pie wench and go for broke. Buy another cap as well. Odds are it will start leaking after this.


'98 S70 T5M - 270,000+mi - forever a project
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Re: Oil Filler Cap Seized

Post by RickHaleParker » Thu May 02, 2019 8:31 pm

WhatAmIDoing wrote:
Thu May 02, 2019 7:04 pm
Then take a big pie wench and go for broke.
Have a chubby girl take it off? .... works for me. :wink:


Platform: P80 1998 C70, B5234T3, AW50-42, Bosch Motronic 4.4, Special Edition package, Plant: Uddevalla Sweden.

Platform: X40 (Nedcar) 2003 S40, B4204T3, AW55-50/51SN, Siemens EMS 2000. Plant: Born Netherlands.

Platform P2 2005 XC90 T6 Executive, B6294T, 4T65 AWD, Bosch Motronic 7.0, Plant Torslanda Sweden.
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Re: Oil Filler Cap Seized

Post by bmdubya1198 » Thu May 02, 2019 9:10 pm

A pipe wrench or channel lock pliers tend to work well. I've dealt with some that are pretty tight. Fortunately a new cap is cheap, so it would be a good idea to get a new one if yours is all gummed up and crusty.


1998 V70 GLT Black/Beige 191k
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1995 850 collection of parts... crushed... still have parts, PM if interested!
1988 744 Turbo M46 Beige Metallic/Beige 188k- Still kicking myself for getting rid of this one

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Re: Oil Filler Cap Seized

Post by WhatAmIDoing » Thu May 02, 2019 10:32 pm

RickHaleParker wrote:
Thu May 02, 2019 8:31 pm
WhatAmIDoing wrote:
Thu May 02, 2019 7:04 pm
Then take a big pie wench and go for broke.
Have a chubby girl take it off? .... works for me. :wink:
:lol: Auto(un)correct at it again :lol:


'98 S70 T5M - 270,000+mi - forever a project
'99 S70 "AWD" - 218,000+mi - project
Knows enough to be dangerous :wink:

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Re: Oil Filler Cap Seized

Post by rguzz » Fri May 03, 2019 12:07 pm

Snatch a couple of almost any Volvo your year or later and replace with OEM or IPD 0 ring. Don't drop any plastic bits in the upper motor if the cap shatters. Push down a little if you can when you rotate old one off. Penetrating oil sounds good. But if you have peeked @ the cam lobes you must have the cap off already??



kashee77
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Re: Oil Filler Cap Seized

Post by kashee77 » Fri May 03, 2019 9:33 pm

Pie wench it is! Thanks for all the great replies, most appreciated. Is it just me or all those short torx head screws on the cam cover so you can see if your cams are getting oil ? Or maybe to lube them on start up because it can take so long for the head to get oil when you rebuild?


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98 V70 XC (Parts Car)
previous
99 V70 XC (Parts Car)
96 850 Turbo
95 850
95 850
88 740 had 466,000
I am a bit of a fan

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Re: Oil Filler Cap Seized

Post by RickHaleParker » Fri May 03, 2019 10:00 pm

kashee77 wrote:
Fri May 03, 2019 9:33 pm
Is it just me or all those short torx head screws on the cam cover so you can see if your cams are getting oil ?
You never identified year, model and configuration of the car, be mighty helpful if you did.


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Image


Platform: P80 1998 C70, B5234T3, AW50-42, Bosch Motronic 4.4, Special Edition package, Plant: Uddevalla Sweden.

Platform: X40 (Nedcar) 2003 S40, B4204T3, AW55-50/51SN, Siemens EMS 2000. Plant: Born Netherlands.

Platform P2 2005 XC90 T6 Executive, B6294T, 4T65 AWD, Bosch Motronic 7.0, Plant Torslanda Sweden.
----------------------------------------------------------------
1997 S90, B6304S, AW30-42, Bosch Motronic 4.4 - Sold

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Re: Oil Filler Cap Seized

Post by bmdubya1198 » Sat May 04, 2019 7:22 am

If those are the torx screws I'm thinking of, those are to check valve adjustment on solid lifter cars.


1998 V70 GLT Black/Beige 191k
2000 V70R Venetian Red/Black M56 Swapped 188k
2007 XC90 V8 AWD Sport Titanium Grey/Black 151k
1998 S90- Silver/Gray 207k
1995 850 collection of parts... crushed... still have parts, PM if interested!
1988 744 Turbo M46 Beige Metallic/Beige 188k- Still kicking myself for getting rid of this one

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