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New to forum looking for advice


Jessene

New Member
Joined
Jan 25, 2022
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Location
New Mexico
Vehicle Year
1999
Make / Model
Ford Ranger XLT
Transmission
Automatic
1999 Ford Ranger xlt 2 wh drive 3.0 L V6 automatic transmission , lost reverse , and can not get the dipstick back in I turned it a million times but it wont go . Does anyone know how much the torch converter holds ?
 


RonD

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Location
canada
Vehicle Year
1994
Make / Model
Ford
Transmission
Manual
Welcome to TRS :)

Your year torque converter should hold about 3 quarts, most years actually

In automatics Reverse requires the highest pressure to engage, 150psi
Forward requires 110psi
The ATF is what transfers this pressure thru out the transmission

The pressure is created by the pump at the front of the transmission, front pump, although there is only the one pump, lol
Raising engine RPMs increases pressure in an automatic by increasing pumps speed
So if REVing the engine a bit gets faster engagement in D or R then its most likely a pressure issue

The pumps pressure(ATF) is sent to the Valve Body, this is where pressure(ATF) is routed to the Clutches and Bands(brakes) to select "the gear"
If there are any gasket or seal leaks then pressure drops lower
This is why automatics often get slow or no Reverse engagement FIRST, but Forward still works
There can be other issues as well, just the most common issue for slow or no Reverse engagement is low pressure

Transmission uses Solenoids to shift gears, but shift trans to D or R is a mechanical selection, no solenoids involved
 
Last edited:

bobbywalter

TRS Technical Staff
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Joined
Aug 9, 2007
Messages
23,470
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Location
woodhaven mi
Vehicle Year
1988
Make / Model
FORD mostly
Engine Type
V8
Engine Size
BIGGER
Transmission
Automatic
2WD / 4WD
4WD
Total Lift
sawzall?
Tire Size
33-44
My credo
it is easier to fix and understand than "her"
The servo.....worn o rings.....bore....apply pin or struts loose....along with the above blown gasket vb leaks
 

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