Wrangler 4WD L4-150 2.5L VIN P MFI (1998): Engine, Cooling and Exhaust
Also for this vehicle: Wrangler 2WD V6-3.8L (2008), Wrangler 4WD V6-3.8L (2009), Wrangler L4-150 2.5L VIN E TBI (1990), Wrangler L4-150 2.5L VIN H TBI (1986), Wrangler L4-150 2.5L VIN P MFI (1993), Wrangler L4-2.4L VIN 1 (2006), Wrangler L4-2.5L VIN P (1999), Wrangler L6-242 4.0L VIN S MFI (1991), Wrangler L6-258 4.2L VIN C 2-bbl (1988), Wrangler L6-258 4.2L VIN M 2-bbl (1989), Wrangler L6-4.0L VIN S (2000).
Diagnostics
Maintenance
Engine
Transmission
Brakes
Electrical
Steering & suspension
Heating & A/C
Body & interior
Choose Sections to see everything in a chapter, or a chapter title to start at its first page.
Engine186 pages
- Compression Check › System Information › Specifications2
Camshaft, Lifters and Push Rods22 pages
- Camshaft Bearing › Component Information › Specifications2
- Camshaft Gear/Sprocket › Component Information › Specifications23
Camshaft, Engine › Component Information7 pages
Lifter / Lash Adjuster, Valve › Component Information4 pages
Push Rod › Component Information3 pages
Rocker Arm Assembly › Component Information3 pages
Cylinder Block Assembly33 pages
- Connecting Rod Bearing › Component Information › Specifications234
- Connecting Rod, Engine › Component Information › Specifications › Connecting Rod Cap Bolts/Nuts2
- Coolant Drain Plug, Cylinder Block › Component Information › Specifications
- Crankshaft, Engine › Component Information › Specifications
Engine Block Heater › Component Information3 pages
- Harmonic Balancer - Crankshaft Pulley › Component Information › Specifications › Crankshaft Pulley2
Piston, Engine › Component Information4 pages
- Piston Pin, Engine › Component Information › Specifications
- Piston Ring, Engine › Component Information › Specifications234
Cylinder Head Assembly18 pages
- Valve Clearance › System Information › Specifications
- Fuel Pressure Release › System Information › Service and Repair
Rocker Arm Assembly › Component Information3 pages
- Valve Cover › Component Information › Specifications2
- Valve Guide › Component Information › Specifications
- Valve Seat › Component Information › Specifications
Valve Spring › Component Information3 pages
Valve, Intake/Exhaust › Component Information6 pages
Drive Belts, Mounts, Brackets and Accessories15 pages
- Drive Belt › Component Information › Specifications2345678
- Drive Belt Tensioner › Component Information › Specifications
Engine Mount › Component Information6 pages
Engine Lubrication25 pages
- Engine Oil Pressure › Component Information › Specifications2
- Engine Oil Dip Stick - Dip Stick Tube › Component Information › Specifications
- Engine Oil Drain Plug › Component Information › Specifications
- Engine Oil › Component Information › Specifications › Capacity Specifications2
- Oil Filter, Engine › Component Information › Specifications
- Oil Filter Adapter › Component Information › Specifications
- Oil Pan, Engine › Component Information › Specifications23
- Oil Pressure Gauge › Component Information › Description and Operation2
- Oil Pressure Sensor › Component Information › Technical Service Bulletins › Engine Controls/Fuel System - Manual Revisions2345678910
- Oil Pump, Engine › Engine Oil Pressure › Component Information › Specifications2
Intake Manifold › Component Information5 pages
- Lamps and Indicators - Engine › Oil Pressure Gauge › Component Information › Description and Operation2
- Sensors and Switches - Engine › Oil Pressure Sensor › Component Information › Technical Service Bulletins › Engine Controls/Fuel System - Manual Revisions2345678910
Timing Components11 pages
Tune-up and Engine Performance Checks34 pages
- Fuel Pressure › Fuel Pressure Test Port › Component Information › Locations
- Air/Fuel Mixture › System Information › Technical Service Bulletins › Fuel System/Engine Controls - Manual Revisions23456789
- Idle Speed › System Information › Specifications2
- Air Cleaner Housing › Air Filter Element › Component Information › Service and Repair
- Fuel Filter › Fuel Pressure Release › System Information › Service and Repair
- Firing Order › Component Information › Specifications
- Ignition Cable › Component Information › Specifications234
Spark Plug › Component Information8 pages
- Compression Check › System Information › Specifications2
- Valve Clearance › System Information › Specifications
- Water Pump › Component Information › Specifications234567
Cooling System49 pages
Coolant › Component Information7 pages
- Coolant Drain Plug, Cylinder Block › Component Information › Specifications
- Coolant Line/Hose › Component Information › Description and Operation2
- Coolant Reservoir › Component Information › Description and Operation2
Radiator Cooling Fan6 pages
Fan Blade › Component Information3 pages
- Fan Clutch › Component Information › Description and Operation23
- Engine - Coolant Temperature Sensor/Switch › Coolant Temperature Sensor/Switch (For Computer) › Component Information › Technical Service Bulletins › Engine Controls - ECT Sensor Test revisions2
- Fan Shroud › Component Information › Specifications
- Heater Core › Component Information › Description and Operation2
- Lamps and Indicators - Cooling System › Temperature Gauge › Component Information › Description and Operation2
- Radiator › Component Information › Specifications234
Radiator Cap › Component Information4 pages
- Sensors and Switches - Cooling System › Engine - Coolant Temperature Sensor/Switch › Coolant Temperature Sensor/Switch (For Computer) › Component Information › Technical Service Bulletins › Engine Controls - ECT Sensor Test revisions2
- Temperature Gauge › Component Information › Description and Operation2
- Thermostat, Engine Cooling › Component Information › Specifications234
- Thermostat Housing, Engine Cooling › Component Information › Specifications
- Water Pump › Component Information › Specifications234567
Exhaust System49 pages
Catalytic Converter › Component Information34 pages
Technical Service Bulletins32 pages
- Service and Repair › Removal2
Exhaust Manifold › Component Information6 pages
Exhaust Pipe › Component Information5 pages
- Heat Shield, Exhaust › Component Information › Description and Operation
- Muffler › Component Information › Specifications23