2008 Kenworth T660 technical service bulletins
34 technical service bulletins and manufacturer communications cover the 2008 Kenworth T660.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Kenworth: Dealers should check the chassis list and SIR weekly for VIN changes
- Information Only – Windshield washer pumps have a high No Trouble Found rate
- Information Only:
- Information Only: Proper jump-starting voltage will eliminate high voltage related issues and equipment...
- Information Only – Vehicles may have the connector seals on the wheel speed sensor incorrectly installed,...
- Information Only:
- Kenworth: regarding update information for engine brake and throttle pedal position return range, which...
- Kenworth: oil collection at cac intake pipe is caused by an imbalance in turbocharger pressures
- Kenworth: line fatigue failure may be due to excessive vibrations of high pressure fuel lines and diesel...
- Kenworth: power steering pump spool valve does not meet quality standards
- Paccar inc: programming campaign to allow proper warning time before fuel tank is empty
- Paccar: there are cooling modules that may have a loose connection at the charge air cooler mounting
- Paccar: information on fan hub bearings inspection and warranty extension due to a higher than normal...
- Paccar: information on premature fan clutch lining wear
- Paccar: a coolant sieve must be removed at the first engine oil change
- Paccar service campaign: there have been updates to the engine software
- Paccar: engineering standards have changed and there are now engines with heat treated bolts
- Paccar: a software update is causing the check engine light to come on
- Kenworth (paccar): campaign to inspect for missing exhaust gaskets
- Caterpillar C15 or cummins isx engines experiencing premature failure of the fan hub bearings
- Kenworth: center fairing rattling loose causing damage to fairing support tubes
- Kenworth trucks: headlight moisture repairs
- Kenworth truck service campaign: a new standard axle lube would be standard inchassis beginning 9/15/08
- Kenworth: clean power system high voltage repair
- Kenworth: when charging kenworth clean power system storage cooler, the inverter may trip, causing the...
- Kenworth trucks: reduced engine power from fuel starvation
- Kenworth service campaign: kenworth (paccar co): clean gas induction (CGI) flex pipe inspections
- Kenworth chassis service campaign: clean gas induction (CGI) gasket campaign
- Kenworth trucks service campaign: chassis' ordered with synthetic transmission fluid but may have had non...
- Kenworth: hood latch release repair
- Kenworth trucks service campaign: exhaust spacer shortage campaign
- Kenworth service campaign: oil fill support bracket campaign
- Kenworth (paccar): the vertical tailpipe(s) diffuser turns
- Kenworth clean power system heater temperature control
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