Product Support Program For Installing A New Crankshaft Pulley/Damper On Certain D40D And D400D Articulated Trucks Caterpillar

NOTE: The information supplied in this service letter may not be valid after the termination date of this program. Do not perform the work outlined in this Service Letter after the termination date without first contacting your Caterpillar product analyst.

NOTE: This Program can only be administered after a failure occurs. The decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS0710" as the Part Number and "7755" as the Group Number. Use "96" as the Warranty Claim Description Code and use " Z" as the SIMS Description Code.

Termination Date

Problem

In some applications, the existing engine vibration damper/crankshaft pulley may not reduce vibrations enough on certain D40D and D400D Articulated Trucks. A failure of the torque converter drive flange may result.

Affected Product
Model & Identification Number

D40D (2JJ1-101)

D400D (8TF1-711, 8TF715; 4EJ1-18, 4EJ20)

Parts Needed

1 - 2P4645 Damper Assembly

Action Required

NOTE: Do not remove the radiator.

Remove the air shroud group.

Do not disconnect the lights. Unbolt the light brackets and lay them to the side.

Remove the (wire) fan guard assembly.

Loosen the vee belts.

Remove the existing engine vibration damper/crankshaft pulley.

Install the new 2P4645 Damper Assembly and the remainder of the parts.

Service Claim Allowances

NOTE: This is a 10-hour job.

Parts Disposition

Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.