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1999 V70R possible burnt valve?

Help, Advice and DIY Tutorials on Volvo's P80 platform cars -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, including 850 R, 850 T-5R, 850 T-5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

This topic is in the MVS Volvo Repair Database » 1999 V70R Possible Burnt Valve?
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rspi
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Re: 1999 V70R possible burnt valve?

Post by rspi »

Here is a video I made to do a show and tell of the head, valves, etc.

'95 855 T-5R M, Panther - 22/28 mpg, 546,000 miles
'95 955 T-5R Yellow Wagon, Lemonade, 180,000 miles
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Volvo's of past: '87 740 GLE, '79 262C Bertone, '78 264, 960's, '98 S70 GLT, '95 850 T-5R YellowVolvo Repair Videos

HWG09
Posts: 26
Joined: 24 December 2013
Year and Model: V70R 1999
Location: United States

Post by HWG09 »

Alright, got the vehicle back from the shop. It still drives fine except for the engine shaking and hesitation at take off. Got her all cleaned up for it's new owner. Here are pics.
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kcodyjr
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Post by kcodyjr »

Damn. That is a GORGEOUS automobile.

Is it going through oil, blowing gray smoke out the tailpipe? It should be, if the rings are bad.

Also, let's start adding donor scope to the thread. A T5 block and head is identical except the ECU, right? Should mate right up? How about a complete engine from an XC, if a T5 couldn't be found? What years?
Last edited by kcodyjr on 04 Jan 2014, 13:32, edited 1 time in total.
2012 C70 T5 Platinum, ember black on cranberry leather
2006 S60 2.5T AWD, ice white on oak textile
5 others that came and went

HWG09
Posts: 26
Joined: 24 December 2013
Year and Model: V70R 1999
Location: United States

Post by HWG09 »

I agree, it is gorgeous! Super bummed about it.

I think it's leaking a bit of oil but haven't noticed any smoke at all. I'm done messing with it so hoping someone will come pick it up soon.

Drove it about 20 miles today and it got around pretty good but new owner will want to clear things up.

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kcodyjr
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Post by kcodyjr »

Do you know if it's the original engine? Numbers match?

If so, it's useful to try and determine whether the engine can be rebuilt or needs to be replaced. When it gets old enough for classic cars night at the local burger king, it'll be worth more with the original block.

Can anyone think of ways he can test for that? A borescope sure would be handy.

Also, would anyone expect damage from driving it around on 4 cylinders? I'd foresee maybe shorter life on the motormounts, but that should be about all?
2012 C70 T5 Platinum, ember black on cranberry leather
2006 S60 2.5T AWD, ice white on oak textile
5 others that came and went

HWG09
Posts: 26
Joined: 24 December 2013
Year and Model: V70R 1999
Location: United States

Post by HWG09 »

Numbers match.

Mechanic said there was 100% piston leak and his recommendation was that I replace the engine. Would probably have to pull it to really understand the problem (unless you do the borescope thing which I have no idea how to do.)

I could do the 4 cylinders thing but I have 2 small kids and just don't feel comfortable driving them around in it with issues so better to let new owner sort it out. Plus I've got a 1995 Land Cruiser with 160k on it so I really need something more reliable at this point.

Have a guy locally who has a totaled T5 with a good engine who drove it today and may try to drop his engine in it. I told him I thought labor would run 2-2.5k but that was kind of a ballpark guess.

HWG09
Posts: 26
Joined: 24 December 2013
Year and Model: V70R 1999
Location: United States

Post by HWG09 »

Vehicle is sold!

Sucks but I appreciate all the help.

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