1986/02/01 Caterpillar


Truck Engine Performance Checklist Available For North American Dealers

Usage:


A Truck Engine Performance Checklist is available from Caterpillar. This checklist is intended primarily for North American dealers, but if needed it can be used anywhere in the world.

Dealers are asked to use this checklist as part of their effort in handling any complaints of truck engine performance. It should be completed when the truck first arrives in a dealer's shop. This can often prevent unnecessary expenses and get the truck back on the road sooner. This is because many engine performance complaints are really a vehicle performance problem.

Use of the complaint checklist will help to collect and interpret vehicle and engine information needed to determine the actual cause of poor performance. Use the checklist with the driver or one most familiar with the exact nature of the complaint, i.e. low power, low rpm, poor response on load change, high fuel consumption, etc. The checklist is arranged so the interviewer should first collect pertinent vehicle (power unit) specifications, then trailer information, and then application and operational data before obtaining engine specifications. See illustration. Often the exact data has not been obtained or investigated prior to making governor adjustments or installing new parts which failed to correct the problem.


Completion of all items on this checklist will help to accurately determine the cause of the complaint.

Persons trained in interpreting the information and knowledgeable of how the answers can effect the stated complaint will find the checklist helpful in handling complaints and obtaining customer satisfaction.

The checklists are available in a pad of 50 copies by ordering SEHS8647.

Caterpillar Information System:

1986/02/01 Longer Bolts Used In Turbocharger Air Lines Groups
1986/02/01 New 8T2998 Lubricant Available
1986/02/01 High Silicates In Antifreeze
1986/01/01 How To Use Temperature And Pressure Probes With Self-Sealing Probe Adapter Groups
1986/01/01 Oil Total Base Number (TBN) Test Kit Available
1986/01/01 Fuel Sulfur Analyzer Available
1986/01/01 Put Grease On Front Crankshaft Seal Before Installing The Crankshaft Pulley And Damper
1986/01/01 New Service Tools Available
1985/12/01 Later 3406B And 3408B Truck Engines Have Higher Minimum Coolant Temperatures
1985/12/01 Gasket Leakage On Aftermarket Fuel Filters
1985/12/01 New, Tougher Gasket Used Between Block And Front Housing
1985/12/01 Use Care When Handling Turbocharger Compressor Wheels
1986/02/01 New Cylinder Liner Available
1986/02/01 Special Instructions Packaged With Turbocharger Cartridge Repair Kits May Be Incorrect
1986/02/01 Incorrect Air Compressor Installation Can Cause An Early Failure
1986/02/01 Attention "New" Caterpillar BrakeSaver Owners!
1986/03/01 Screens Added To Inlet Air Manifolds
1986/03/01 Nylon Seals Used On Lockwire To Seal Critical Areas; Parts Service Seals Available For NACD Dealers
1986/03/01 Improved Cylinder Head Gasket
1986/03/01 Stronger Oil Pan Used
1986/03/01 Improved Sleeve Bearing Used In Drive End Of Fuel Injection Pump Housing
1986/03/01 Air-To-Air Aftercooler Test Group Available
1986/04/01 Silicone Rubber Hoses Available For Engine Oil Cooler Water Lines
1986/04/01 New Air-to-air Aftercooler Arrangements Used On Truck Engines
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