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A340 Deep Transmission Pan For Toyota and Lexus, "No Dipstick" Design

Project Under Consideration, PML Part Number 11175

Status: This pan will be similar to our transmission pan for the AW4. We are looking into a design that will be deeper than our AW4 pan and work with Toyota valve bodies. We are collecting information and determining if there is enough interest to justify the design and development.

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Number of Bolts: 19

A340: We are using "A340" to refer to the A340 class of transmissions: A340E, A340F, A340H), A341E, and A343F

Spare Parts? If you have parts from a Toyota A340 transmission (they do not have to work), please let us know at: 310-671-4345 or yourcovers@pmli.com

 

Email List for PML A340 Transmission Pan

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Applications

Some models of these vehicles have an A340 transmission:

  • 1992 to 2002 Toyota 4Runner
  • 1992 to 1998 Toyota Supra L6 3.0L without Turbo
  • 1993 to 1998 Toyota Supra L3 3.0L with Turbo
  • 1993 to 1998 Toyota T100
  • 1992 to 2017 Toyota Tacoma
  • 1995 to 2004 Toyota Tundra
  • Some 1990 to 2005 Kia, Lexus, Mitsubishi and Volvo
  • Some international vehicles, such as Soarer

The related AW4 Transmission (see PML Part Number 11076) is found mostly in Jeep vehicles. Some early 4Runners MAY be able to use Part Number 11076 but you would need to carefully check that the filter, stock pan and valve body are match those used by PML to develop the AW4 pan.

Benefits

A PML A340 pan will have:

  • Fins and extra capacity to keep fluid cooler
  • Drain and magnetic drain plug for easy servicing
  • Heavy duty, quality sand cast aluminum contruction for strength and a leak-free seal
  • Boss for optional temperature sending unit
  • Includes new mounting bolts and magnetic drain plug

Because different models have different the stock pans and dipstick receiver tubes, we have replaced the dipstick and receiver tube with level check/fill holes on the pan.

This means you would no longer use your dipstick. The transmission fluid level would be checked from pan!

PML No Dipstick Design Details

How to fill: You would fill through the fill/level check hole on the bottom of the pan. PML would provide a fitting for the hole. You could also use a pump. You would fill until the fluid starts to dribble out then put in the plug.

Funnel and hose pouring fluid into PML AW4 transmission pan    Pumping fluid into PML AW4 transmission pan
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How to check: To check the fluid, you would remove the plug and see if any fluid dribbles out. If it does, it's full and you're good to go.

Any benefits to the PML no dipstick design? Checking the fluid on the pan is less convinient than using a dipstick but there are a couple small benefits:

  • Current dipstick tube has so many bends that pulling out the dipstick wipes off the fluid so it's hard to get an accurate reading
  • More space available in the engine compartment

Stock Pan and Transmission

Tacoma stock transmission pan   Toyota or Lexus stock transmission
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Transmission Info

The A340 (A340E, A340F, A340H) and the AW4 are sister transmissions. The AW4 is commonly found in Jeeps, such as 1987-2001 Cherokees. The A340E, A340F, A340H transmission is found in Toyota cars, trucks and SUVs and a few Mitsubishis, Kias, Lexus cars and SUVs, and Volvos.

There are 9 different stock pans. These 9 stock pans have 4 different depths and 7 different dipstick receiver heights and angles. The dipstick receivers complicate the design and manufacturing. There are 13 different filters and 15 different valve bodies in addition to 9 different pans.

This variety of pans, filters, valve bodies and applications complicates the design and testing. Information and pictures on vehicle configurations are much appreciated!