Volvo :: Timing Belt Tensioner Broken - Bottom Of Valves Melted

I recently bought a 97 960. i have had a s90 before in totaled it i loved the car so much i found another. i was driving and broke the timing belt tensioner which in turn lead to the breaking of 5 exhaust valves that i know of. I've taken off the head and noticed that one of the bottom of the valves had melted onto the number 5 piston head.

I called around and search but every motor is at least 1000 and i have been told anywhere from 3500-4500 to rebuild. My question would b is there an easy way to fix or should i junk it. i bought it for a 1000 it has only 140000 on it an its in almost great condition. I attached some pictures of the head and piston so u can see the damage.

Attached File(s)

2012_04_07_19.02.39.jpg ( 1.45MB )
2012_04_10_16.45.26__1_.jpg ( 1.43MB )

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GTI 337/20th Anniversary :: Tensioner Pulley Broke

My tensioner pulley broke yesterday and I replaced it. But it had broken 3-4 months ago also.

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Nissan - Sentra :: 2003 - Valves Bent Suddenly - Timing Still Good

Totally stumped. Replaced the head gasket in Nissan 03 Sentra 3 months ago and car has been running great since with good power. Car suddenly completely dies after coming to a stop without any warning or any loud noises.

No compression in all cylinders. Seemed to be lots of oil in all four cylinders according to the bottom of the spark plugs. Pulled timing cover, timing marks still line up perfectly. Leak down test suggests valve problem.

Pulled the head and see all the exhaust valves are bent and the intakes are bent on pistons #1 and #3. (which is also odd as pistons #1 and #4 run in the same positioning) Question is how can all the exhaust valves suddenly get bent simultaneously with the timing chain still registering perfectly on the marks it's supposed to?

Things I've checked: I checked to see if the camshafts have sheared through the key, but they seem fine. No deep grooves found to indicate they slipped or anything.

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Looks like the 1-2 shift fork failed on my 337. This is the 2nd time this has happened to my car in under 100,000 miles of driving (I'm the original owner). The last time was about 3 years ago and the shop I was going to found a used transmission for me. Just curious, how common this happens to our 6-speeds.

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I am having this failure in my engine that is making me crazy while I am driving. Yesterday i took my car to a shop to see what was it. my MAF was gone ( I replaced it ) and the failure still going on. The mechanic connected his computer in my car and we went for a ride. HE told me cylinder 1 misfire.

This is what i did.

-change spark-plugs position (failure still)
-change coilpack (failure still)

What can i do ?

-clean injectors
-check for any carbon in valves

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Anyway, looking to replace it in the coming weeks. If I could be pointed in the right direction that would be awesome. I do have a Bentley, but I find how-to's on here to often be better. But if I need to just follow the Bentley, I can do that too.

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is the timing belt the same for the 2004.5 and the 2005 gli?

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I can't figure out how to route the belt around the tensioner pulley, circled in the picture (from another thread). Everyone glosses over how to do this and I can't figure it out.

It seems like the only way to get it on is to bend the belt and slide it between the pulley and the block, but that I just can't reach the blasted thing.

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I replace my timing belt and water pump and my engine is now over heating. I notice it's only over heats when the ac is running and the engine is idling. When I start to drive the engine temp goes down.

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