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Harry Ferguson Tractors Discussion Forum
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rear main seal replace z 134

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dave mason

11-05-2004 16:44:03




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how hard to replace the rear main seal in an f40 z 134 eng ? whats with all the string ?




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gshadel

11-10-2004 07:47:45




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 Re: rear main seal replace z 134 in reply to dave mason, 11-05-2004 16:44:03  
I'm not a Z134 expert, I just hate to see a question go unanswered if I can help. I have replaced the rear seal on a Z120 before, I'm guessing the Z134 is similar. This is what's involved on a Z120; If memory serves me right the seal is pressed into a retainer flange that is bolted to the outside of the block. 1 or 2 of the bolts are actually on the inside of the block, so you have to drop the oil pan to get them.
Unbolt the flange, press out the old seal, press in the new seal, bolt the flange back on the engine. I did this without a shop press, a couple blocks of wood and a hammer works.
The string is packing for the rear crankshaft bearing cap. It is a tight fit in there, you probably will need to drop the rear bearing cap to access the bolts holding the seal flange.
Once the seal is replaced, reinstall the bearing cap and torque it down, then stuff that string into the grooves on each side of the bearing cap to seal the rear of the block. If you don't have a manual, might want to get one, you will want to torque the bearing cap bolts, and the clutch/flywheel bolts to spec. I don't know what those are for a Z134. Some guys use gasket maker or silicone on the packing string when they pack it in the grooves to make sure they get a good seal. The original service manual just said to jamb it in there tightly using an appropriate tool to pack it in there. I think I used an old phillips head screwdriver for that, worked good.
Everything can be done with common hand tools.

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