1989 Nissan Truck / Pathfinder Service Manual D21 Series
1989 Truck and Pathfinder troubleshooting and repair reference manual covering engine mechanical, lubrication, cooling systems, and more. Includes part number ref: VG30i.
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Sample pages from the 1989 Nissan Truck / Pathfinder Service Manual D21 Series manual
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Nissan Models Covered & Key Technical Specifications
Models: Nissan Truck D21, Nissan Pathfinder
Sub-models / Variants: Regular Cab, King Cab, Van, Wagon, Heavy Duty, 2WD, 4WD, Standard wheelbase, Long wheelbase, STD, E, XE, SE
Trade Names: D21 Series
Build Years: 1989
Serial Numbers: JN6HD11SKW100001–JN6ND14YKW100001
Technical Data:
- Engine Types: VG30i (V6), Z24i (4-cylinder)
- Transmission Types: Manual (F4W71C, FS5W71C, FS5R30A), Automatic (L4N71B, E4N71B, RE4R01A)
- Coolant System Capacity: 9.9 liters (10.5 US qt) for VG30i, 8.2 liters (8.7 US qt) for Z24i
- Engine Oil Capacity: 3.0–4.3 liters (3.2–4.5 US qt) depending on engine and drivetrain configuration
- Drive System: 2WD and 4WD options with TX10 transfer case
- Spark Plug Gap: 1.0–1.1 mm (0.039–0.043 in) for VG30i; 0.8–0.9 mm (0.031–0.035 in) for Z24i
Nissan Manual Features & Content Preview
1989 Nissan Truck and Pathfinder Service Documentation
- Built for owners and professional technicians maintaining the 1989 Nissan Truck and Pathfinder D21 series, covering both Z24i and VG30i engine configurations across various trim levels.
- Official Nissan OEM publication printed in 1988 for the 1989 model year.
- Includes 117 detailed diagrams, torque specification tables for standard bolts and engine components, and comprehensive electrical wiring layout data.
- Accessible from your device as soon as the order is placed.
- OCR text layer lets you jump to a torque spec by keyword.
- This 1989 first edition serves as the foundational reference for the entire D21 series build, providing the baseline specifications for both the 2WD and 4WD powertrain setups.
Engine and Maintenance Walkthrough
The 1989 Nissan Truck and Pathfinder service manual is divided into logical sections that isolate system-specific information. The manual begins with general vehicle identification, lifting procedures, and standard maintenance schedules for both the Z24i and VG30i engines. Later chapters detail the mechanical disassembly and assembly of the cylinder heads, timing systems, and oil pan removal sequences. Chassis and body maintenance segments offer clear instructions for servicing the steering, suspension, brake systems, and transmission components.
The what an OEM service publication covers in this text includes detailed charts for lubricant viscosities and capacity requirements for the manual transmission, transfer case, and differential carriers. Electrical systems are documented with symbol keys for wiring diagrams and terminal arrangements.
Specification and Technical Preview
The 1989 Nissan Truck and Pathfinder technical data section presents precise clearance values and torque settings for shop-floor reference. The engine maintenance section lists valve clearance for the Z24i at 0.30 mm for both intake and exhaust valves. Engine oil capacity for the 4WD VG30i model is documented at 3.4 liters (3 5/8 US qt). The front wheel bearing preload for 4WD models is defined by a starting force of 0.5–1.5 N-m after initial tightening. Reference tables provide clear guidance for standard bolt tightening based on grade and diameter.
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