I replaced my rear main seal by lifting the crank but not far enough to have
the rings come out of the bores of the pistons. In other words, the rods
do not have to be disconnected. We spent a lot of time trying to get the
seal thru with various tools bought for the purpose, but in the end, the
fastest way was to lift the crank, go buy yourself a $50 engine stand and
the job will go much better. The job is basicly a 1 evening job to do the
rear seal and put the timing stuff back on.
daveS
----- Original Message -----
From: Adam Bradley <ambradley@yahoo.com>
To: <datsun-roadsters@autox.team.net>
Sent: Saturday, October 27, 2001 10:13 PM
Subject: IF the tranny has to come out...
> I haven't checked the countershaft bearings yet, but if I have to pull
> the tranny to replace the bearings, then I should also replace the
> leaking engine rear main seal.
>
> If I replace the rear main seal, I also have to pull the crankshaft,
> right? To pull the crankshaft, I have to pull the pan, which means I
> can easily replace the oil pump. I'll also have to pull off the timing
> chain to get the crankshaft out, right? So I might as well replace the
> timing components.
>
> I have no reason to believe the camshaft is bad (or the crankshaft or
> timing gears/chain, for the matter) but if I'm that deep in the engine,
> I should have the camshaft checked, right?
>
> If I go that far, I'm already most of the way into an engine rebuild.
> If I'm going to go that far, I'd rather turn it into an H20, if there's
> any advantage to that without modifying the camshaft/head/carbs.
>
> So I guess my question is - If I have to disassemble the engine to
> replace the rear main seal, would it behoove me to get H20 internals,
> and would I gain anything by doing that? Should I stop in my local
> Nissan or Komatsu forklift dealer and ask for an H20 crankshaft,
> pistons, connecting rods and timing chain/gears? Is an H20 oil pump
> the same as an R16 oil pump?
>
>
>
> =====
> Adam
> '70 1600 SPL311-28181
> http://www.picturetrail.com/abend
> Make a great connection at Yahoo! Personals.
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>
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