Campaign - A/T Solenoid/Service Information Update

Reference:
NTB98-049C

Date:
May 15, 1999

VOLUNTARY SERVICE CAMPAIGN F04 AUTOMATIC TRANSAXLE SOLENOID VALVE ASSEMBLY

This bulletin contains supplemental information for NTB9B-049 that updates the Service Information section related to the Stall Test Procedure and the removal of the control valve assembly. The ASIST version of NTB9B-049 was updated to include this supplemental information. Please attach this bulletin to previously distributed copies of NTB9B-049.

SERVICE INFORMATION





This bulletin provides additional clarification for step 10 as shown in NTB98-049. Also, a warning statement was added to the Stall Test Procedure.

NOTE:
Be careful not to drop the manual valve shaft, the servo release accumulator return spring or the lip seals. Also be careful not to damage the control valve assembly sealing gasket.





NOTE:
If the support plate bolts are accidentally loosened or removed, hold the support plates (on the other side of the valve body) with a suitable tool and retighten the support plate bolts to 3.4 - 4.4 N.m (0.35-0.45 kg-m, 30.4 - 39.1 in-lb). Refer to Figure 4 shown.

Stall Test Procedure

1. Check transaxle and engine fluid levels. Add fluid if necessary.

2. Drive vehicle for approximately 10 minutes or until engine oil and ATF reach operating temperature. ATF operating temperature is 50 - 80° C (122 - 176° F).

3. Set parking brake and block wheels.

WARNING:
Make sure there is nobody or nothing in front of the vehicle when performing the following steps.

4. Start engine, apply foot brake, and place selector lever in "D" position.

5. Gradually accelerate to wide-open throttle while applying the foot brake.





6. Quickly note the maximum engine RPM on the vehicle's tachometer and immediately release the throttle.

CAUTION:
During the test, never hold the throttle wide open for more than 5 seconds. Also, if a second test needs to be performed, let the engine idle for 1 minute before starting the second test.