Pictures of how I changed the transmission input shaft pilot bushing on my 87-95 Nissan Pathfinder.
I have the transmission out and the transmission input shaft pilot bushing is easy to reach, so might as well put in a new one.
But first, lets pay some bills:
This is the back of the engine with the transmission out.
The black circle is the rear main seal.
In the center of the circle is the transmission input shaft pilot bushing.
It is press fit. How the hell do I get it out of there?
Relying solely on instinct,
I searched for a metal rod that fits exactly into the bushing.
What is this? A metal rod!
...that will fit exactly into the bushing! Now if I only had a grease gun. HEY!
I filled the bushing with grease.
- I hammered the metal rod into the grease. Since the metal rod fit exactly into the bushing, and the bushing is press fit into the engine shaft, the grease had no way to escape. So the grease did not escape. It pressed on the bushing from inside, and the bushing escaped! The grease acted as a hydraulic compound. Wow is that cool. I thought this up all by my self. Or possibly I read it on a forum. But I very wisely copied it. Sorry no pic of this very cool step, I had grease all over my hands.
Then I tapped in the new bushing, and hey presto!
Also I changed the RMS (Rear Main Seal), link on left.
- Next I sold out to make 02¢
so I can fulfill my lifelong dream of owning a 1986 944 with blown head gaskets.
But no minivans!
- Then I finished my beer.
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Think: Cars are expensive, powerful, and heavy. Before I start work, I face the possibility that I will destroy my vehicle, my own life, and innocent pedestrians' lives. If anyone messes with a 4000 lb machine capable of 100 mph, these are real possibilities. If I get in over my head, I call a professional mechanic. The information on this website is provided only for entertainment purposes, and it is not intended as advice on how to service a vehicle. For all you know I made this up. Don`t believe everything you read on the internet.
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Last modified: 11/25/2014