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Why are transmission pumps in the transmission?


OilPatch197

Well-Known Member
Joined
Sep 23, 2007
Messages
1,400
Age
96
Vehicle Year
1984/87
Transmission
Automatic
Yeah, why couldn't you just have a belt driven pump like the power steering pump for the transmission?
 
you got me ...... although I believe you can get a gear driven auxiliary pump if flat towing what you are after.
 
Thrown belt would equal dead transmission. When the transmission is rotating you want to be guaranteed the pump is rotating too.

Some equipment has remotely-mounted transmission pumps, but equipment's weird.
 
Why is an engine oil pump inside the engine? Same as a tranny?

Its just a matter of simple engineering. Make it simplier, less things to go wrong.
 
Why is an engine oil pump inside the engine? Same as a tranny?

Its just a matter of simple engineering. Make it simplier, less things to go wrong.

Yes and it's cheaper when there isn't an external pump with a belt, bracketry , hoses, fittings etc.
 
Why can't a power steering pump be in the steering box?

Why can't a alternator be in the battery?

Why can't the water pump be in the radiator?

Why is the fuel pump in the fuel tank?
 
Why can't a power steering pump be in the steering box?

Why can't a alternator be in the battery?

Why can't the water pump be in the radiator?

Why is the fuel pump in the fuel tank?

Many fuel pumps ARE in the tanks. The rest are due to not having access to mechanical power. The transmission has mechanical power going through it, so the pump can be located in the path of that power.
 
Why can't a power steering pump be in the steering box?

Why can't a alternator be in the battery?

Why can't the water pump be in the radiator?

Why is the fuel pump in the fuel tank?

Actually, Power Steering pumps are starting to disappear. Ford and like others are starting to use electric assist steering. And on GM, they use the P/S pump as a means to deliever power brakes.

Fuel pumps are now located in the gas tank for liquid cooling. The fuel it pumps and sits in, actually cools the pump also. Which is a good reason why to not let your tank sit at Empty when driving.

Alternator needs a direct load. And batteries are still too chuncky to put anywhere else. Plus, with the way future designs are going. The alternator is recieving more loads. Pretty soon, everything will be electric driven.

Water pumps, Some of the Ford's Duratechs that I've seen actually have the water pump mounted to the cam shaft. Which makes it easier to replace when its on top and won't stop if the drive belt brakes.
 
Why can't a power steering pump be in the steering box?

Why can't a alternator be in the battery?

Why can't the water pump be in the radiator?

Why is the fuel pump in the fuel tank?

It's hard to hook up the alternator to the battery driveshaft. And that radiator bearing gets in the way.

The fuel pump is in the tank because you can't get vapor lock that way. I sure hope you don't miss that....
 
It's hard to hook up the alternator to the battery driveshaft. And that radiator bearing gets in the way.

The fuel pump is in the tank because you can't get vapor lock that way. I sure hope you don't miss that....

:icon_bounceblue:, for once, I have no clue what you are talking about. I feel lost in your words of wisdom.
 

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