2.5L 4-CYL - VIN [P]
1993 Jeep Cherokee
1993 CHRYSLER CORP. ENGINES
Jeep: Cherokee, Wrangler
NOTE: For engine repair procedures not covered in this article,
see ENGINE OVERHAUL PROCEDURES - GENERAL INFORMATION article
in the GENERAL INFORMATION section.
Engine can be identified by eighth character of Vehicle
Identification Number (VIN). The VIN is stamped on a plate attached to
top left corner of instrument panel.
Engine code is on a machined surface on right side of
cylinder block between cylinders No. 3 and 4. This code may be
required when ordering replacement parts.
ENGINE IDENTIFICATION CODES TABLE
Application VIN Code
2.5L 4-Cylinder PFI .................................... P
Some engines are manufactured with oversize or undersize
components. These engines are identified by a letter code stamped on
oil filter boss near distributor. Letters are decoded as follows:
* "B" indicates all cylinder bores .010" (.25 mm) oversize.
* "C" indicates all camshaft bearing bores .010" (.25 mm)
* "M" indicates all main bearing journals .010" (.25 mm)
* "P" indicates one or more connecting rod journals .010" (.25
* "PM" indicates all crankshaft main bearing journals and one
or more connecting rod journals .010" (.25 mm) undersize.
VALVE CLEARANCE ADJUSTMENT
Engine is equipped with hydraulic valve lifters. No valve
adjustment is required.
REMOVAL & INSTALLATION
NOTE: For reassembly reference, label all electrical connectors,
vacuum hoses and fuel lines before removal. Also place
mating marks on engine hood and other major assemblies
CAUTION: When battery is disconnected, vehicle computer and memory
systems may lose memory data. Driveability problems may
exist until computer systems have completed a relearn
cycle. See COMPUTER RELEARN PROCEDURES article in GENERAL
INFORMATION before disconnecting battery.