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99 v70xc rough running ,code for cyl. 4 misfire

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

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Ozark Lee
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Re: 99 v70xc rough running ,code for cyl. 4 misfire

Post by Ozark Lee »

Pauloil wrote:got the head off and plan to take it to machine shop in town. where is the directions how to reset the VVT, and set the timing? have VVT on exhaust cam
Did you remove the hub on the front side of the exhaust cam when you removed the head?

If so, you will need a camshaft adjustment too to get things set back and I can post the full procedure for you.

If you left the hub on then you can simply re-align the marks (with the timing belt on) and set the preload by simply rotating the engine 90 degrees clockwise and then back to the marks counterclockwise. That set the preload and you just remove the timing belt from the camshaft sprockets and adjust the outer sprocket on the exhaust hub to line up with the timing marks as you re-install the timing belt.

...Lee
'94 850 N/A 5 speed
'96 Platinum Edition Turbo
Previous:
1999 V70XC - Nautic Blue - Totaled while parked.
1999 V70XC - RIP - Wrecked Parts Car.
1998 S70 T5
1996 850 N/A
1989 740 GLT
1986 740 GLT
1972 142 Grand Luxe

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