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NOTE: This flushes the main oil cooler core pas- (16) Turn pump OFF. cooler. (18) Remove Special Tool Cooler Plug 8414 from the transmission oil cooler. (19) Install a new thermostat spring, thermostat, cover, and snap-ring into the transmission oil cooler. (20) Install the transmission oil cooler onto the vehicle. (21) Disconnect CLEAR suction line from reservoir at cover plate. Disconnect CLEAR return line at (22) Turn pump ON for 30 seconds to purge flush- ing solution from cooler and lines. Turn pump OFF. (23) Place CLEAR suction line into a one quart container of Mopar t ATF Plus 3, type 7176 automatic transmission fluid. (24) Turn pump ON until all transmission fluid is removed from the one quart container and lines. This (25) Disconnect alligator clips from battery. Recon- nect flusher lines to cover plate, and remove flushing ALUMINUM THREAD REPAIR Damaged or worn threads in the aluminum trans- mission case and valve body can be repaired by the Heli-Coil, or equivalent, tools and inserts are readily available from most automotive parts suppliers. REMOVAL AND INSTALLATION TRANSMISSION CAUTION: The transmission and torque converter REMOVAL (1) Disconnect battery negative cable. exhaust components. (3) Remove engine-to-transmission bending braces. (4) Disconnect fluid cooler lines at transmission. sor (Fig. 67). Retain sensor attaching bolts. CAUTION: The crankshaft position sensor can be (7) Remove torque converter access cover. remove transmission oil pan, drain fluid and reinstall (9) Remove skid plate for access. out of transmission. Retain fill tube seal. On 4 x 4 mod- (11) Rotate crankshaft in clockwise direction until converter bolts are accessible. Then remove bolts one (12) Mark propeller shaft and axle yokes for assembly alignment. Then disconnect and remove (13) Disconnect wires from park/neutral position switch and vehicle speed sensor. (14) Disconnect gearshift cable from transmission manual valve lever. (15) Disconnect throttle valve cable from transmis- sion bracket and throttle valve lever. (16) Disconnect shift rod from transfer case shift lever or remove shift lever from transfer case. Fig. 67 Crankshaft Position Sensor—2.5L Engine 1 – EXHAUST DOWN PIPE 21 - 144 AUTOMATIC TRANSMISSION—30RH XJ SERVICE PROCEDURES (Continued) |