Volvo AWD Forum
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SAVE 850 R Head rebuild or engine replacement?
posted by N.P. on Tue Jun 30 18:12 CST 2009
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last visit: Wed Nov 18 13:32 CST 2009[RELATED]I just did the head on my 97 850 GLT. I called the Volvo dealer and the two best Volvo shops in the Seattle area for a machine shop recommendation. Don't use a machine shop that is not a Volvo specialist. The heads are unique and there have been issues from the factory with valves. A machinist experienced with Volvo will know what to look for. Others will not.
I had the same ?'s/dilemma and Klaus suggested that if, after removing my head, the cylinders looked good, to just do the head. It is extremely rare for the lower end to go bad, so keep it if it's ok. Haynes tells how to know if the cylinders/rings... are still good.
The biggies for me were getting the cams back in right and using the right adhesive on the cam cover (use the Volvo brand glue. IPD has it).
The Haynes manual is very good for the head removal and reinstall process, except that they show the plug order wrong at the distributor and no pic of the timing mark on the crank gear... See my most recent posts for that.
Take digital pics of every stage of disassembly (shoot a pic before you take something apart). Put like parts in zip-lock baggies, put masking tape on each baggie and label it. Keep a running list of items to be bought (the little things that break when you try to take them off).
Head bolts should be replaced and you can get them at IPD for about 2 bucks each (as opposed to 12 from the dealer).
When you call IPD, be advised that you WILL get sales people who will tell you they don't carry this or that item. They are wrong. They carry damned near everything. Their repair shop is stocked out of the same supply as the catalog, so they have to have it. Ask to talk to a tech and they will hook you up.
Put a new tensioner on when you do the new timing belt.
Therapy? Maybe after I get out of this institution that my neighbors had me committed to. I invented some new swear words...
Seriously though, sooooo rewarding and the car runs better than ever.
Norman
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SAVE 850 R Head rebuild or engine replacement?
posted by Dal2HS on Thu Jul 2 12:39 CST 2009
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last visit: Thu Jul 16 11:11 CST 2009[RELATED]I went to the mechanic who does all my major Rolls-Royce repairs. He referred me to the machine shop he uses for Volvo/Mercedes/BMW, etc. They are familiar with the engine and will do it for a little over half the price of the places I've found online. It's a little shop over in the back woods that does import engine rebuilding. Who would have known...LOL.
Thank you for your suggestion...I can buy the gaskets, PCV kit and all for the same price just the rebuild would have cost!
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SAVE 850 R Head rebuild or engine replacement?
posted by jadnhm on Tue Jun 30 06:59 CST 2009
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last visit: Sat Nov 21 17:44 CST 2009[RELATED]It's too bad Klaus is away - he'd be the one to tell you which option makes the most sense.
Personally I'd be most interested in keeping that R head. The R was a real beast/gem - not something you would want to give up without a fight.
--
1998 V70 AWD Turbo 190k+
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SAVE 850 R Head rebuild or engine replacement?
posted by Dal2HS on Tue Jun 30 10:16 CST 2009
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last visit: Thu Jul 16 11:11 CST 2009[RELATED]I spoke with the gentleman at Cylinder-heads.com. He seemed quite knowledgeable about the head...he doesn't have one in stock but can rebuild mine for $450. I think it seems REALLY reasonable. Now if I can just drum up the courage to deal with dismantling mine without therapy...
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SAVE 850 R Head rebuild or engine replacement?
posted by jadnhm on Tue Jun 30 10:42 CST 2009
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last visit: Sat Nov 21 17:44 CST 2009[RELATED]that sounds pretty reasonable to me too.
I've never had this type of work done so I don't have anything to compare it to.
Is cylinder-heads.com local for you? I expect any reputable machine shop can do this for you and you wouldn't have to ship it.
You should really look at getting some kind of a shop manual for this car so you know how to properly take the head off and put it back on. Maybe someone on here could pull the instructions out of VADIS for you? I will check my Haynes manual tonight and see if it's instructions are useful.
Remember you'll need a head gasket kit as well. IPD sells gasket kits and also head bolts and other fasteners like manifold bolts and those special exhaust stud washers.
--
1998 V70 AWD Turbo 190k+
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SAVE 850 R Head rebuild or engine replacement?
posted by Dal2HS on Tue Jun 30 11:23 CST 2009
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last visit: Thu Jul 16 11:11 CST 2009[RELATED]Living in Hot Springs, Arkansas I haven't been able to find any place to do it. If I had a Chevy or Ford I'm sure there would be someone I could find...but I am hesitant to let Bubba Sue's Engine's and Deer Stands do any work on a Volvo cylinder head.
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