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AW4 Deep Transmission Pan For Jeep, "No Dipstick" DesignPML Part Number 11076
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$375.00 for Black Powder Coat Finish, no picture available, call to order in black powder coat (310-671-4345). Volume: approximately 1 quart over stock compared to AW4 stock pan Mopar part number 83504037 Number of Bolts: 19 Dimensions: 1 1/4 inches deeper than stock Mopar part number 83504037. Click here for dimensions. Thanks to those who installed prototype pans and helped us with development. ApplicationsSome models of these vehicles have an AW4 transmission:
We have had installations on Cherokees and a Comanche. See Installations below. Vehicle configurations vary! Always check you vehicle configuraton and clearance before ordering. Toyota and Lexus Vehicles: See PML Part Number 11175, A340 Transmission Pan. BenefitsPML AW4 pan has:
Skid Plates and Off Roading: Skid plates are recommended for any offroading vehicle. A sand cast aluminum pan is heavy duty but if it hits a rock, it will crack. Some skid plates may need spacers to allow for the additional depth of the PML pan. No Dipstick DesignThis pan does NOT work with a dipstick. To install this PML pan, you will need to remove the stock dipstick and possibly the receiver tube. This means you would no longer use your dipstick. The transmission fluid level would be checked from pan! The PML design is flexible to to work with several vehicles. This design is for the AW4 on Jeep vehicles and is based on Mopar part number 83504037. 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. PML No Dipstick Design DetailsHow to fill: You fill through the fill/level check hole on the bottom of the pan. PML provides 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.
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. How did we come up with these levels? By measuring the dipstick "OK" and "MAX" levels with relation to the flange of the stock pan. Read about PML No Dipstick Design (PDF file). 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:
Stock Pan and TransmissionThis PML design is based on the AW4 transmission for a 1987 to 2001 Jeep XJ. Transmission pan is Mopar part number 83504037.
PML pan compared to stock pan: Filter and GasketPML designed this pan to work with the stock gasket and filter. The filter bolts on to the valve body. No filter extension is needed. The pick up and fluid level is at the same place with the PML pan as with the stock pan. Transmission InfoThe 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! Optional Temperature Sensor MachiningThis pan has a location on the driver (left) side of the pan that can be drilled an tapped for a temperature sending unit. There is a machining charge for this option and it can be added in the shopping cart.
Dipstick Thoughts (NOT PLANNED BY PML)![]() It is theoritically possible, not something PML plans to do, to add a dipstick to the side of the pan. There is a thick area on the side of the pan and someone could possibly fabricate an adapter, receiver tube and dipstick. This is a computer generated picture showing an example of a possible adapter on the side of the pan. This would be expensive and PML does NOT have plans to manufacture this. This is just an idea for folks to consider. InstallationsThese are pictures of installations of prototype pans. Our thanks to those installations for their feedback. 2000 Cherokee 4.0 XJKurt provided details about his installation (PDF file coming shortly). He noted that he had to pry the stock pan off. After installing the PML pan, he saw fluid temperatures 15 to 20 degrees cooler overall.
1998 Cherokee 4.0 XJRichard reported that he had to remove the transmission cross member to remove his old pan and install the PML pan. Pumping fluid in gets messy unless the pump has a flexible tube that can bend at the top to prevent fluid from running back out.
1990 CherokeeAaron installed this PML pan on his 1990 Cherokee XJ Limited 4.0 4WD. His Cherokee has a 4.5 lift, aftermarket high flow exhaust, transmission cooler, and tow package. He was pleased to see lower fluid temperatures with the PML pan installed.
1989 ComancheEnrique reported that the pan fit perfectly right out of the box and saw his fluid temperatures drop from 210 to 180.
1995 Wrangler YJ with AW4 SwapThis 1995 Jeep Wrangler YJ had its 3 speed transmission swapped with a 4 speed AW4 transmission. The YJ has also been lifted and aftermarket skid plates installed. Darren reported that the PML transmission pan fit great and he had no problems with installation.
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PML, Inc. 201 W. Beach Avenue Inglewood, CA 90302 310-671-4345 www.YourCovers.com yourcovers@pmli.com |
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