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I dramatically cut down my oil consumption in one afternoon.

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
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

tryingbe
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tryingbe

I dramatically cut down my oil consumption in one afternoon.

Post by tryingbe » Thu Jul 28, 2016 5:47 pm

Since I log everything I do to my cars, it's easy to track how much oil I used.

Last few oil changes, (around 5000 miles interval), I've noticed the 210k T5 R engine used between 3 to 4.5 qt of oil, even with a pretty clean PCV system.

Before last oil change, I bought the tool and put in some new Volvo valve stem seals since I noticed intermittent blue smoke. At 8544 miles (drove 5500miles in 12 days) since my last oil change and the engine barely used 1 qt of oil, I'd call that a success.

Image
85 GLH, 367 whp
00 Insight, 72 mpg

cn90
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cn90

Re: I dramatically cut down my oil consumption in one afternoon.

Post by cn90 » Thu Jul 28, 2016 5:54 pm

Yeah,

For 2.5T engine, there are basically 2 sources of oil loss:

- Leaking Valve Stem Seals
- Turbo Seals
2004 V70 2.5T 100K+
2005 XC90 2.5T 110K+

scot850
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scot850

Re: I dramatically cut down my oil consumption in one afternoon.

Post by scot850 » Thu Jul 28, 2016 5:57 pm

That tool looks wicked! Do you mind me asking the brand and where you got it from for future reference (you can never have too many tools!!).

Thanks,

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

tryingbe
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tryingbe

Re: I dramatically cut down my oil consumption in one afternoon.

Post by tryingbe » Thu Jul 28, 2016 8:11 pm

85 GLH, 367 whp
00 Insight, 72 mpg

scot850
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scot850

Re: I dramatically cut down my oil consumption in one afternoon.

Post by scot850 » Thu Jul 28, 2016 8:20 pm

Looks good and reasonably priced for such a comprehensive kit.

Thanks,

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

j-dawg
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j-dawg

Re: I dramatically cut down my oil consumption in one afternoon.

Post by j-dawg » Thu Jul 28, 2016 10:18 pm

How hard was that job? I need to change my valve stem seals, and I've always figured I'd pop the head off and take it to a shop, but compression is good on all cylinders and I'm hesitant to mess with the head gasket if I don't have to.

I've needed to do the job since I bought the car 3+ years ago, actually, and I've just always had bigger problems to worry about. Now I have a leaky cam seal, so it's becoming more urgent.
1999 V70 T5 5-SPD | ~270k mi | burns more oil than gasoline

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erikv11
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erikv11

Re: I dramatically cut down my oil consumption in one afternoon.

Post by erikv11 » Thu Jul 28, 2016 10:20 pm

Well I wish I was skilled enough to do valve stem seals in one afternoon! Nice work.

@ j-dwag: I totally agree about not pulling the head unless/until you absolutely must.
'95 854 T5-R, Motronic 4.4, 185k
'96 855 NA, 145k
'98 S70 NA, 220k (living out west)
'98 V70, T5 tune-injectors-turbo, LPT engine, 285k
'06 S60 R, 165k
'99 Camry V6 :shock: 125k
gone: '96 NA 850 210k, '98 NA V70 182k

tryingbe
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tryingbe

Re: I dramatically cut down my oil consumption in one afternoon.

Post by tryingbe » Fri Jul 29, 2016 6:19 am

j-dawg wrote:How hard was that job?
How hard? That depends on the person.

Buy new cam seals (Corteco seals) for both sides, 20 valve stem seals (I used Volvo seals), the 5 round seals around the plugs, Volvo pink anaerobic sealant, and the tool. Use an air compressor to put air into the cylinder to hold the valve closed. I did the 10 intake valves first than move the tool to do the 10 exhaust valves. Sometimes, you need to use a hammer to smack the valve lock to get it loose before you can use the spring compressor tool.

I did not use the special tool to hold down the cam while bolting down the cover, I put the assembly grease on the cams and journals, put anaerobic sealant in all the right places, I lined up the covers, then I just went slow and turned the bolts one turn at a time in a circular pattern from the inside out. It took a while, but I didn't break anything and there was no leak after.
85 GLH, 367 whp
00 Insight, 72 mpg

101
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101

Re: I dramatically cut down my oil consumption in one afternoon.

Post by 101 » Fri Jul 29, 2016 11:15 am

Your experience matches mine. Before my burned valve episode the car was using about a quart every 1000 miles. After having new valve stem seals installed with the head rework, the oil consumption is just about nil.
101

1998 white V70 GLT 230K "Elsa"
1998 white S70 T5m 180K "Anna"

polskamafia mjl
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polskamafia mjl

Re: I dramatically cut down my oil consumption in one afternoon.

Post by polskamafia mjl » Fri Jul 29, 2016 5:26 pm

cn90 wrote:Yeah,

For 2.5T engine, there are basically 2 sources of oil loss:

- Leaking Valve Stem Seals
- Turbo Seals
The T5R is a 2.3L.
'All my money is gone and I have an old Volvo.' - Bamse's Turbo Underpants

Current: 1995 Volvo 850 T-5R Manual - Bringing it back from the brink of death
Previous: 1996 Volvo 850 GLT - Totaled

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