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    Toyota Pick-ups/Land Cruiser/4Runner 1989-1996

    Automatic Transmission

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    FLUID RECOMMENDATIONS



    All automatic transmissions covered in this guide use DEXRON® II or its superceding fluid type.

    LEVEL CHECK



    See Figure 1

    Check the automatic transmission fluid level at least every 15,000 miles (24,000 km) or more if possible. The dipstick is usually located in the rear of the engine compartment. The fluid level should be checked only when the transmission is hot (normal operating temperature). The transmission is considered hot after about 20 miles (32 km) of highway driving.

    1. Park the truck on a level surface with the engine idling. Shift the transmission into Neutral or Park and set the parking brake.
    2.  
    3. Remove the dipstick, wipe it clean and reinsert if firmly. Be sure that it has been pushed all the way in. Remove the dipstick and check the fluid level while holding it horizontally. With the engine running, the fluid level should be between the second and third notches on the dipstick.
    4.  



    Click image to see an enlarged view

    Fig. Fig. 1: When checking the dipstick on the automatic transmission, read the stick carefully

    1. If the fluid level is below the second notch, add fluid with the aid of a funnel.
    2.  
    3. Check the level often as you are filling the transmission. Be extremely careful not to overfill it. Overfilling will cause slippage, seal damage and overheating. Approximately one pint of ATF will raise the level from one notch to the other.
    4.  

    The fluid on the dipstick should always be a bright red color. It if is discolored (brown or black), or smells burnt, serious transmission troubles, probably due to overheating, should be suspected. The transmission should be inspected by a qualified service technician to locate the cause of the burnt fluid.

    DRAIN AND REFILL



    See Figure 2

    The automatic transmission fluid should be changed at least every 25,000-30,000 miles (40,000-48,000 km). If the truck is normally used in severe service, such as stop-and-go driving, trailer towing or the like, the interval should be halved. The fluid should be hot before it is drained; a 20 minute drive will accomplish this.

    Toyota automatic transmissions are equipped with a drain plug in the pan, so that fluid may be drained without removing the pan. The filter within the pan is not replaceable as a maintenance item; removing the pan is not required or recommended during normal transmission maintenance.

    1. With the truck safely supported on stands, position a large catch pan below the drain plug.
    2.  
    3. Remove the plug and gasket slowly, and be prepared for a rush of HOT fluid. Allow the unit to drain for some minutes; when the flow of oil is down to individual drops.
    4.  



    Click image to see an enlarged view

    Fig. Fig. 2: All automatics have a drain plug to ease the removal of fluid

    1. Install the drain plug with a new gasket if used, and tighten just snug. Add transmission fluid through the dipstick tube under the hood.
    2.  
    3. Reinsert the dipstick after filling, then start the engine and allow it to idle. DO NOT race the engine.
    4.  
    5. After the engine has idled for a few minutes, shift the transmission slowly through the gears, then return it to Park. With the engine still idling, check the fluid level on the dipstick. If necessary, add more fluid to raise the level.
    6.  

    PAN AND FILTER SERVICE



    See Figures 3, 4, 5 and 6

    1. Jack up the front end of the vehicle and support it on jackstands.
    2.  
    3. Place a container under the transmission drain plug and drain the transmission fluid.
    4.  



    Click image to see an enlarged view

    Fig. Fig. 3: Remove the drain plug with an appropriate wrench

    1. Remove the pan securing bolts and remove the pan and gasket. On all but the A43/A44 family, this will require the use of a thin, flat bladed tool to cut the sealant bead. Do NOT use a screwdriver (you'll deform the pan lip) and do NOT drive the tool straight into the seam; if it goes too far, internal damage will result. Work on an angle to the pan and tap the tool just deeply enough to cut the sealer.
    2.  



    Click image to see an enlarged view

    Fig. Fig. 4: Most of the pan bolts should be accessible, you may need to remove another part to obtain access for some

    1. The pan may be washed in solvent for cleaning but must be absolutely dry when it is reinstalled. Do not wipe it out with a rag; the lint from the rag can damage the transmission. Additionally, the pans for the A43D, A44D and A440F units contain magnets; clean any shavings from the magnets and make certain the magnet(s) are correctly positioned before reinstallation.
    2.  
    3. Remove all traces of the old gasket or sealer from the pan and from the transmission. On A43/A44 series, install a new gasket on the pan but do not use any sealer. On all other units, apply a thin, even bead of sealant around the pan, staying inboard of the screw holes and roughly centered on the pan flange.
    4.  
    5. Inspect, clean or replace the transmission filter or strainer at this time, if necessary. If the filter is removed, be ready for an additional rush of fluid. For all transmissions except the A440F, tighten the bolts to 48 inch lbs. (6 Nm). On the A440F, tighten the 8mm bolts to 48 inch lbs. (6 Nm) and the 10mm bolts to 7 ft. lbs. (10 Nm).
    6.  



    Click image to see an enlarged view

    Fig. Fig. 5: Bolts secure the strainer, do not mix them up with the pan bolts

    1. Install the pan, tightening the securing bolts to the proper torque in a crisscrossing pattern. Correct pan bolt tightness:

      A43D and A44D-48 inch lbs. (6 Nm)
       
      A340E, F and H-65 inch lbs. (7 Nm)
       
      A440F-61 inch lbs. (7 Nm)
       

    2.  


    WARNING
    The pan bolts must be tightened evenly; the bolts break easily if overtightened.

    1. Fill the transmission to the correct level with the specified fluid.
    2.  



    Click image to see an enlarged view

    Fig. Fig. 6: A funnel with a long, flexible neck allows you to add fluid to the automatic transmission

     
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