1987 Jeep Cherokee Pioneer Manual Door Diagram

The 1987 Jeep Cherokee Pioneer features manual door components including window regulators, door handles, latch mechanisms, and lock assemblies. This guide provides detailed diagrams and explanations for proper maintenance, repair, and replacement of door components. Below are key sections covering door assembly, components, installation procedures, and troubleshooting.

1. Door Assembly Overview 2. Components Identification 3. Door Panel Removal 4. Window Regulator 5. Door Handle & Latch 6. Lock Mechanism 7. Weatherstripping 8. Reassembly Procedure 9. Maintenance Tips 10. Troubleshooting

Door Assembly Overview

The manual door system consists of interior panel, window glass, regulator assembly, exterior handle, interior handle, latch mechanism, and lock components.

Component	Description
Door Panel	Interior trim panel with handle and window crank
Window Regulator	Manual mechanism for raising/lowering window
Exterior Handle	Outside door opening mechanism
Interior Handle	Inside door release handle
Latch Assembly	Door locking and securing mechanism
Lock Cylinder	Key-operated locking system
Weatherstripping	Door seal against elements
Window Glass	Manual roll-up window pane
Regulator Crank	Manual window operation handle
Mounting Bolts	Door component fasteners

Components Identification

Key door components and their locations within the door assembly.

Interior Door Panel: Removable panel with window crank and door handle
Window Regulator: Mounted inside door frame, connects to window glass
Exterior Handle Assembly: Mounted on outer door surface
Latch Mechanism: Located at door edge, engages with door frame
Lock Rods: Connect handles to latch mechanism
Weatherstripping: Rubber seal around door perimeter

NOTE! Handle with care when removing components to avoid damage.

Door Panel Removal

Procedure for safely removing interior door panel.

Remove window crank: Use trim tool to pop off cover, remove retaining clip
Remove door handle: Unscrew mounting screws
Remove armrest: Remove mounting screws if applicable
Remove panel clips: Gently pry panel away from door starting at bottom
Disconnect wiring: Unplug any electrical connections
Lift panel upward: Remove panel from door

CAUTION! Use proper tools to avoid damaging plastic clips and trim.

Window Regulator

Type: Manual scissor-style regulator
Operation: Crank-operated gear mechanism
Mounting: Bolted to inner door frame
Components: Regulator arms, guide channels, mounting brackets
Maintenance: Lubricate moving parts with white lithium grease
Replacement: Remove regulator mounting bolts, disconnect from window

Door Handle & Latch

Exterior and interior handle mechanisms connected to door latch.

Exterior Handle: Pull-type mechanism with connecting rod to latch. Interior Handle: Lever-type with direct connection to latch mechanism. Latch Assembly: Spring-loaded mechanism that engages door striker.

Installation: Align handle with mounting points, connect rods properly, test operation before final assembly.

Lock Mechanism

Manual locking system with key cylinder and internal linkage.

Remove door panel to access lock components
Disconnect lock rods from latch mechanism
Remove lock cylinder retaining clip
Install new cylinder and reconnect rods
Test lock operation before reassembly

Tip: Lubricate lock cylinder with graphite powder for smooth operation.

Weatherstripping

Door seal replacement and maintenance.

Remove old weatherstripping: Peel away from door frame
Clean mounting surface: Remove old adhesive residue
Apply new weatherstripping: Start at bottom, press firmly into place
Ensure proper alignment: Follow door contour exactly
Test door closure: Adjust if necessary for proper seal

WARNING! Do not stretch weatherstripping during installation.

Reassembly Procedure

Proper door component reassembly sequence.

Install window regulator and test operation
Connect lock rods and test locking function
Install exterior handle and connect to latch
Reinstall interior handle and window crank
Replace door panel and secure all clips
Test all functions before final tightening

Maintenance Tips

Regular maintenance for optimal door function.

Lubricate window regulator tracks quarterly. Clean and lubricate lock mechanisms. Inspect weatherstripping for cracks or deterioration. Check door alignment periodically.

CAUTION! Use only recommended lubricants; avoid petroleum-based products on rubber components.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Window hard to crank	Dry regulator tracks	Lubricate regulator mechanism with white lithium grease
Door won't latch	Misaligned striker	Adjust striker plate position on door frame
Key won't turn	Worn cylinder	Replace lock cylinder; lubricate with graphite
Door rattles	Worn weatherstripping	Replace door seals; check component tightness
Handle loose	Worn mounting points	Tighten mounting screws; replace worn components

Professional Service: Consult certified Jeep technician for complex issues.

Parts Source: Genuine MOPAR parts recommended for replacement.