Go BottomB7100 HSD Need info to replace Head Gasket
 | bobb327
Join Date: Jun 2005 Posts: 2 Pittsburgh , Pa 
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2005-06-03 111927
I Recently Boght B7100 tractior on Ebay. It ran ok But is blowing presure out of the breather vent. Suspect blown Head Gasket! How Difficult is it to do this repair? I have a reasonally good mecanical ability. I have no repair manual. Need to know torque sequence & ftlb setting. And Valve settings, And any other info I will need to make this job easier to. Sincerely Bobb327
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 | Art White
Join Date: Jan 2000 Posts: 6898 Waterville New York 
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2005-06-06 111992
Sounds like blow-by not head gasket problems. ....
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| PARTSPRO
Join Date: Jun 2005 Posts: 5 ALABAMA
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2005-06-06 111994
i agree with art sounds like rings instead of a head gasket
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| bobb327
Join Date: Jun 2005 Posts: 2 Pittsburgh , Pa
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2005-06-12 112287
Art thank you for your reply to my Request on B7100 head gasket posting. Can you explane why you think it is the rings. Would a compression test give me a definate answer?The tractor seems to have plenty of power. If it is the rings can you recomend an addative to try before I tear the engine appart to replace the rings? ....
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 | jarndt
Join Date: Dec 2003 Posts: 351 Northern Virginia
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2005-06-13 112289
I'm not familiar with the engine block/head design on your machine, but wouldn't you have coolant loss or coolant in the oil if it were a blown head gasket? ....
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| Art White
Join Date: Jan 2000 Posts: 6898 Waterville New York
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2005-06-13 112290
Before I'd make a recommendation I'd really want to know more. How was the tractor used? How long of intervals was it run? How many approximate hours? I ask this because as I see people looking for the larger tractors that will not be run for long periods under load a problem arises of the rings not seating! We have seen it for years with the farm tractors or the low mile diesel truck which never got warmed up properly from in town use and the cylinders got washed from the unburned fuel from not being warmed up properly. If this is the case I might tell you to go out and run the snot out of it for an extended period of time, we might put them on a dyno for six hours plus straight under full load and be able to cook the glaze off the cylinders if not to bad but otherwise removal of the head and pistons and a good deglazing and install new rings and gaskets and be fine. A leaky head gasket normally means a loss of fluid often external but sometimes internal normally making it difficult to keep coolent in. ....
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