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HELP!!!! 4JB1T rear main seal tool

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Re: HELP!!!! 4JB1T rear main seal tool

Postby geeves » Sun Jul 22, 2012 7:18 am

photo?
Sanding your knuckles before starting work can help. That way you cant skin them
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Re: HELP!!!! 4JB1T rear main seal tool

Postby yoda2026 » Sun Jul 22, 2012 11:35 am

unfortunately i didnt take a photo when i last had the engine apart
but i will once i fine a seal to replace the current one

can anyone suggest a good aftermarket double lip seal?
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Re: HELP!!!! 4JB1T rear main seal tool

Postby MrRevhead » Sun Jul 22, 2012 1:35 pm

I can get a number or dimensions this week as I will be getting one for mine
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4JG2 UBS 69 rear main seal tool

Postby greenwolverine » Thu Jan 10, 2013 2:33 pm

Hello
I am planning to do my rear crank seal in the next few months.
Does anyone know where on this site to find a good write-up of rear crank seal removal and installation using improv tools? -- I'd love to see actual photos of the crankshaft area and what's involved.
Isuzu part numbers would be great since I'm in Canada and these diesels are scarce.
Also I'd like to know where to find a write-up of transmission removal since my workshop manual is for the GM 4L-30E trans and I have the Aisin-Warner
Much appreiated
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Re: HELP!!!! 4JB1T rear main seal tool

Postby DavoWilliams » Sat Jan 28, 2017 6:08 pm

Did you get a seal part no. for a one piece seal?
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Re: HELP!!!! 4JB1T rear main seal tool

Postby greenwolverine » Sun Jan 29, 2017 1:10 am

My numbers are for the 4JG2

I have no idea whether the B1 has the same crank size -- mine has a 95mm diameter where the seal rides

Isuzu part number for seal with no integral sleeve: 8-94235369-0

I have also managed to pull a sleeved NOK seal off a 4JG1 crankshaft and there is a tiny number on it: BZ4982E
The G1 is an industrial engine but the crankshaft is the same as the G2's (confirmed in the factory parts catalogue).
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