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98 V70 XC died on the road, no start.

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: 98 V70 XC died on the road, no start.

Post by Ozark Lee »

RUH ROH,

Pop the timing belt cover off and have a look. It is just one bolt through the face of the timing belt cover.

...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

von_braun
Posts: 39
Joined: 1 October 2008
Year and Model:
Location:

Post by von_braun »

Got the broken belt off today, removed spark plugs and manually turned each cam gear. There's allot of resistance at times, then it will spin freely for about a quarter rotation then resistance.
Is this to be expected or is this a sign of bent valves?
Whats the easiest, most affordable way to test this? Compresion test?
Volvo 1998 V70 AWD 112k
Volvo 1998 V70 XC 165k - Needs a valve job, snapped the timing belt :( Selling and reusing parts.

Ozark Lee
MVS Moderator
Posts: 14798
Joined: 7 September 2006
Year and Model: Many Volvos
Location: USA Midwest
Has thanked: 4 times
Been thanked: 75 times

Post by Ozark Lee »

Don't even waste your time trying to replace the belt and running a compression test, some of your valves are bent. Move the crankshaft to the crankshaft timing mark and start removing the head. A good machine shop can get the head back in shape or you can get a rebuilt head from Clearwater Cylinder Heads, they have a good reputation amongst our members.

...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

von_braun
Posts: 39
Joined: 1 October 2008
Year and Model:
Location:

Post by von_braun »

I just dont know if I want to go through all that trouble, there are allot of other little things that need fixing on this car. ABS mod, left door lock, and on and on. Also I'm not to confident in the bevel gear, when I bought it had mix matched tires on it, I replaced them obviously, but theres a persistent whering noise coming from that area. Id hate to drop $500 or so on a head only to have the bevel gear go out. Im just going to time it, throw the belt on and see if it starts.
If I were to buy a cylinder head, how does this one look? Ebay
Whoa thats weird, the distributer is on the exhaust cam.?
Volvo 1998 V70 AWD 112k
Volvo 1998 V70 XC 165k - Needs a valve job, snapped the timing belt :( Selling and reusing parts.

whoa
Posts: 461
Joined: 30 July 2008
Year and Model: 850 Turbo Wagon 1996
Location: san francisco
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Post by whoa »

Ha. Well you can't pull the head without taking off the cam cover, so they probably just put the camshafts in each other's places when reassembling. Maybe not a good sign for how careful they were in pulling it, let alone its general condition...
1996 850 Turbo Wagon

von_braun
Posts: 39
Joined: 1 October 2008
Year and Model:
Location:

Post by von_braun »

Yeah, not a good sign. Well I put the belt on and it runs better than before, aside from the near deafening sound of the valves clanging. Would it even run if the valves were bent?
Volvo 1998 V70 AWD 112k
Volvo 1998 V70 XC 165k - Needs a valve job, snapped the timing belt :( Selling and reusing parts.

whoa
Posts: 461
Joined: 30 July 2008
Year and Model: 850 Turbo Wagon 1996
Location: san francisco
Been thanked: 1 time

Post by whoa »

Sure, maybe it bent the valves just how they needed to be bent. :-)

You could easily have bent only the valves of one cylinder, since the camshafts would have stopped turning once the belt came off. The car will "run" on 4 cylinders.

Sounds like a Volvo that is pining for the fjords, defunct, no more, an EX-VOLVO.

Sell the parts on ebay and you'll make much more than the car is worth.
1996 850 Turbo Wagon

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