Trooper LS V6-3.5L (1998)
Conduct air bleeding from the wheels in the above order. If no brake fluid comes out, it suggests that air is mixed in the master cylinder. In this
case, bleed air from the master cylinder in accordance with steps 7 through 17, and then bleed air from the caliper.
19. Place the proper size box end wrench over the bleeder screw.
20. Cover the bleeder screw with a transparent tube, and submerge the free end of the transparent tube in a transparent container containing brake fluid
.
21. Pump the brake pedal slowly three (3) times (once/sec), then hold it depressed.
22. Loosen the bleeder screw until fluid flows through the tube.
23. Retighten the bleeder screw.
24. Release the brake pedal slowly.
25. Repeat steps 21 through 24 until the air is completely removed.
It may be necessary to repeat the bleeding procedure 10 or more times for front wheels and 15 or more times for rear wheels.
26. Go to the next wheel in the sequence after each wheel is bled.
Be sure to monitor reservoir fluid level.
27. Depress the brake pedal to check if you feel "sponginess" after the air has been removed from all wheel cylinders and calipers.
If the pedal feels "spongy", the entire bleeding procedure must be repeated.
28. After the bleeding operation is completed on the each individual wheel, check the level of the brake fluid in the reservoir and replenish up to the
"MAX" level as necessary.
29. Attach the reservoir cap.
If the diaphragm inside the cap is deformed, reform it and install.
30. Stop the engine.
