Engine Identification
WARNING: This page is about a different variant/trim than selected.
NOTE:
For repair procedures not covered in this article, see
ENGINE OVERHAUL PROCEDURES article in GENERAL INFORMATION.
The Vehicle Identification Number (VIN) is located on the upper left side of the dash and is visible through the windshield. The eighth character identifies engine size. See ENGINE IDENTIFICATION CODE table.
ENGINE IDENTIFICATION CODE
| Engine | Code |
|---|---|
| 4.0L SFI | S |
Some engines are manufactured with oversize or undersize components. These engines are identified by a letter code stamped on a boss between ignition coil and distributor. Letters are decoded as follows:
- "B" indicates all cylinder bores are .010" (.25 mm) oversize.
- "C" indicates all camshaft bearing bores are .010" (.25 mm).
- "M" indicates all main bearing journals are .010" (.25 mm).
- "P" indicates one or more connecting rod journals are .010" (.25 mm) undersize.
- "PM" indicates all main journals and one or more rod journals are .010" (.25 mm) undersize.