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Re: JD 6068 engine blowing steam from blowby

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Tx Jim

01-28-2013 04:41:03

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richardinnz said: (quoted from post at 21:24:30 01/27/13) Coolant pump on a 6068 is belt driven, mounted low down on the front cover, just has a ring of M6 screws holding it in after you have pulled a hose and water tube. Unless the aluminium housing it is bolted to has corroded out behind it then it would be unlikly this is your problem..


Thanks for the heads up. I was unaware that JD went back to a belt driven WP. I always thought it was "DUMB engineering" to have WP seal fail and dump antifreeze in the crankcase.such as my 4255 has done before. If I researched correctly it appears JD uses this type water pump on several different Mannheim/Saran type engines also
This post was edited by Tx Jim at 04:43:49 01/28/13.

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01-28-2013 21:10:50

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 Re: JD 6068 engine blowing steam from blowby in reply to Tx Jim, 01-28-2013 04:41:03  
Yep, that waterpump went right back to the 6*10 series Manhiem tractors. DTAC is the JD Dealer Technical Assistance Centre, they are damn good, The CTM is the Component Technical Manual, the shop manual that covers the 6068 motor. BTW Manhiem don"t make engines, the 4045 and 6068 come from Saran (France) prefix CD or Mexico prefix PE. I think only the big "grunters" are from Waterloo, the 6090 and 6130, and the old 6081. Unlike the post above we have had our share of head gasket failures on both Saran and Mexican engines, they do not need to overheat, the water level just has to drop a bit, then you can bet your life that 12 to 18 months down the track you are putting a head gasket on the engine.

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