GM Gasoline V6 90 Degree - Manual (Page 75)

ENGINE APPLICATION MANUAL GM Powertrain
Gasoline 4.3L V6 90 Degree Revised: 08/15/2000
File: c:\data\manuales\v6-truck\am43v6#3.doc
Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 73
8.0 SERVICE REQUIREMENTS
8.1 MAINTENANCE SCHEDULES (SEVERE USAGE AND NON SEVERE USAGE).
There are two maintenance schedules applicable to the 4.3L V6 90 Degree Engine.
These maintenance schedules relate to severe usage and non-severe usage.
8.1.1 Maintenance Schedules - Severe Usage (Schedule I)
Severe usage or short trip/city shall continue to be defined by the following description of typical
operation in the vehicle’s owner’s manual:
- Most trips are less than 4 miles (6km);
- Most trips are less than 10 miles (16km), and the ambient temperature is below freezing
- The engine is at low speed most of the time (door to door delivery, stop and go traffic,
commercial use)
- The vehicle is operated in dusty areas or off road frequently;
- The vehicle is used to tow a trailer
8.1.2 Maintenance Schedule - Non Severe or Long Trip/Highway Usage (Schedule II)
Long trip/highway shall continue to be defined in the vehicle owner’s manual as all typical
vehicle usage not defined to be included in the severe usage schedule.
8.2 SERVICE INTERVAL BY SCHEDULE
The service intervals for engine related service are defined in Table 8.2 - 1 as a function of vehicle
usage category, i.e. short trip/city usage or long trip/ highway usage.
9.0 DIAGNOSTICS
Diagnosis shall be accomplished using industry standard electronic diagnosis tools such as Techline
Equipment (Tech 1/Tech 2 / Tech XS / CAMS).
10.0 OTHER AVAILABLE DOCUMENTS
The Application engineer will supply all technical documents needed to support the application and
validation process.
Table : 8.2 - I Routine Service Interval by Usage
Item Schedule I Schedule II Schedule 1 Schedule II
(<8500 GVWR) (<8500 GVWR) (>8500 GVWR) (>8500 GVWR)
Engine Oil and Filter 3000 miles/3 month 7500 miles/12months 3000 miles/3 month 7500 miles/12months
Or on condition Or on condition Or on condition Or on condition
detected by oil detected by oil detected by oil detected by oil
quality monitoring quality monitoring quality monitoring quality monitoring
system system system system
Engine Coolant 50000 miles 50000 miles 50000 miles 50000 miles
Air Cleaner Filter 30000 miles 30000 miles 24000 miles 24000 miles
Spark Plug 100000 miles 100000 miles 100000 miles 100000 miles
Engine Wire ASM 100000 miles 100000 miles 100000 miles 100000 miles
Accessory Drive Belt 100000 miles 100000 miles 100000 miles 100000 miles