Diesel Data: Automotive Repair

Water Pump: Testing and Inspection






Water Pump Inspection

Removal

1. Water Pump Pulley Mounting Bolt - Loosen





1. Loosen the water pump pulley mounting bolts.

2. Drive Belt





1. Move the auto-tensioner (A) counterclockwise to relieve tension from the drive belt (B).

2. Remove the drive belt.

3. Water Pump Pulley





1. Remove the water pump pulley.

Inspection

1. Water Pump - Inspection





1. Turn the water pump counterclockwise, and check that it turns freely. If it does not turn freely, replace the water pump.

NOTE: When you check the water pump, you may see a small amount of "weeping" from the bleed holes (A). This is normal.

Installation

1. Water Pump Pulley





1. Install the water pump pulley.

2. Drive Belt





1. Move the auto-tensioner (A) counterclockwise.

2. Install the drive belt (B).

3. Water Pump Pulley Mounting Bolt - Tighten





1. Tighten the water pump pulley mounting bolts.