1987 Jeep Cherokee Driver Front Manual Window Regulator

The 1987 Jeep Cherokee Driver Front Manual Window Regulator is an essential component for manual window operation in the driver's side door. This mechanical assembly controls the up and down movement of the window glass, featuring a crank mechanism, regulator arms, and mounting brackets designed specifically for 1987 Jeep Cherokee models with manual windows. Below are key sections covering features, installation, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Installation Instructions 3. Operation Guide 4. Specifications 5. Controls and Components 6. Maintenance Procedures 7. Troubleshooting Common Issues 8. Safety Precautions 9. Warranty Information 10. Replacement Parts

Features at a Glance

Key components: Manual crank mechanism, regulator arms, mounting brackets, window channel guides, and hardware kit.

Feature	Description
Manual Crank Mechanism	Hand-operated crank for window movement
Regulator Arms	Steel arms that lift and lower window glass
Mounting Brackets	Factory-style mounting points for secure installation
Window Channel Guides	Nylon or plastic guides for smooth window travel
Hardware Kit	Includes necessary bolts, nuts, and fasteners
Steel Construction	Durable steel components for long-lasting performance
Factory Fit	Designed specifically for 1987 Jeep Cherokee
Manual Operation	No electrical components required
Corrosion Resistance	Coated to prevent rust and corrosion
Easy Maintenance	Simple design for easy servicing

Installation Instructions

Proper installation ensures smooth window operation and longevity.

Remove door panel: Carefully pry off door panel using trim tools.
Disconnect window crank: Remove retaining clip and crank handle.
Remove old regulator: Unbolt regulator from door frame and window glass.
Install new regulator: Position regulator and secure with provided bolts.
Connect window glass: Attach regulator arms to window glass brackets.
Test operation: Ensure window moves smoothly through full range.
Reinstall door panel: Secure door panel and reconnect any components.

WARNING! Wear safety glasses and gloves during installation. Support window glass to prevent falling.

Operation Guide

Manual window operation requires proper technique for optimal performance.

Turning clockwise: Rotate crank clockwise to raise window.
Turning counterclockwise: Rotate crank counterclockwise to lower window.
Smooth operation: Turn crank steadily without forcing.
Partial opening: Stop at desired window position.
Full closure: Continue turning until window seals completely.

CAUTION! Do not force crank if window binds. Investigate cause before continuing operation.

Specifications

Compatibility: 1987 Jeep Cherokee Driver Front Door
Operation Type: Manual crank mechanism
Material: Steel construction with anti-corrosion coating
Mounting: Factory bolt pattern
Window Travel: Full range up/down movement
Weight Capacity: Supports standard window glass weight
Temperature Range: -40°F to 180°F operating temperature
Warranty: Limited lifetime warranty
Manufacturer Part Number: JCR-1987-DF-MWR

Controls and Components

Understanding the regulator components ensures proper maintenance and troubleshooting.

Main Components: Crank mechanism, regulator arms, mounting plate, window brackets, guide channels.

Crank Mechanism: Hand-operated crank with gear assembly. Regulator Arms: X-style arms that convert rotary motion to linear movement. Mounting Plate: Steel plate with factory mounting holes. Window Brackets: Clamps that secure to window glass. Guide Channels: Nylon tracks that guide window movement. Fasteners: Grade 5 bolts and nuts for secure mounting.

Maintenance Procedures

Regular maintenance ensures smooth operation and extends regulator life.

Lubrication: Apply silicone spray to regulator arms and guide channels every 6 months.
Inspection: Check for worn components during oil changes.
Cleaning: Remove debris from door cavity that could interfere with operation.
Tightening: Verify all bolts are secure during routine maintenance.
Weatherstrip care: Keep window seals clean to reduce operating resistance.

Tip: Use only silicone-based lubricants; petroleum products can damage components.

Troubleshooting Common Issues

Symptom	Possible Cause	Corrective Action
Window binds or sticks	Dirty guide channels	Clean and lubricate guide channels
Hard to crank	Worn mechanism	Inspect and replace worn components
Window falls down	Broken regulator arm	Replace complete regulator assembly
Noise during operation	Lack of lubrication	Apply silicone lubricant to moving parts
Window crooked	Misaligned regulator	Realign regulator and check mounting
Crank spins freely	Stripped gears	Replace crank mechanism or entire regulator
Window won't stay up	Worn holding mechanism	Replace regulator assembly

Professional Service: Consult certified mechanic for complex issues.

Safety Precautions

Always follow safety procedures when working with window regulators.

WARNING! Support window glass during service to prevent injury. Wear eye protection. Disconnect battery if working near electrical components. Use proper tools for installation.

Warranty Information

Limited lifetime warranty against manufacturing defects. Coverage excludes damage from improper installation, accidents, or normal wear. Proof of purchase required. For warranty claims, contact manufacturer with part number and purchase details.

Replacement Parts

Genuine replacement parts ensure proper fit and function.

Regulator Assembly: Complete unit with all components
Crank Handle: Replacement crank mechanism
Mounting Hardware: Bolt and nut kit
Guide Channels: Replacement nylon guides
Window Brackets: Glass mounting clamps

Note: Use only manufacturer-approved replacement parts.