Oil Pump Volume Check

41TE AUTOMATIC TRANSAXLE

STANDARD PROCEDURE - OIL PUMP VOLUME CHECK
Measuring oil pump output volume will determine if sufficient flow to the transmission oil cooler exists, and whether or not an internal transmission failure is present.
Verify that transmission fluid is at the proper level. If adding fluid is necessary, fill to the proper level with Mopar ATF+4 (Automatic Transmission Fluid-Type 9602). The following procedure is to check oil pump output volume:

Fig.291 Transaxle Oil Cooler Fittings:

(1) Using hose cutters or a suitable blade, cut the "to cooler" (Fig. 291) line off flush with the cooler inlet fitting and place a collection container under the open line.

CAUTION: With the fluid set at the proper level, fluid collection should not exceed (1) quart or internal damage to the transmission may occur.

(2) Start engine and run at curb idle speed, with the shift selector in neutral.
(3) If one quart of ATF is collected in 20 seconds or less, flow is within acceptable limits.
(4) Inspect the cooler hose for damage. Replace if necessary.
(5) Re-connect the to cooler line to the transmission using a service splice kit. Refer to instructions included with the kit.
(6) Refill the transaxle to proper level with Mopar ATF+4 (Automatic Transmission Fluid-Type 9602).