Lubrication And Maintenance - Jeep cherokee 2000 Service Manual

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LUBRICATION AND MAINTENANCE

SERVICE PROCEDURES (Continued)
API QUALITY CLASSIFICATION
This symbol (Fig. 2) on the front of an oil container
means that the oil has been certified by the Ameri-
can Petroleum Institute (API) to meet all the lubri-
cation requirements specified by DailmlerChrysler
Corporation.
Refer to Group 9, Engine for gasoline engine oil
specification.
Fig. 2 API Symbol
GEAR LUBRICANTS
SAE ratings also apply to multiple grade gear
lubricants. In addition, API classification defines the
lubricants usage.
LUBRICANTS AND GREASES
Lubricating grease is rated for quality and usage
by the NLGI. All approved products have the NLGI
symbol (Fig. 3) on the label. At the bottom NLGI
symbol is the usage and quality identification letters.
Wheel bearing lubricant is identified by the letter
"G". Chassis lubricant is identified by the latter "L".
The letter following the usage letter indicates the
quality of the lubricant. The following symbols indi-
cate the highest quality.
Fig. 3 NLGI Symbol
1 – WHEEL BEARINGS
2 – CHASSIS LUBRICATION
3 – CHASSIS AND WHEEL BEARINGS
XJ