Name: 1,355 Pages • ZIP Download: 85 Printable PDFs (English)
Brand: Nissan
SKU: 1e96d2f
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Publication	Pages
GA16DE Engine Repair — 1993 Nissan NX/Sentra	29
SR20DE Engine Repair — 1993 Nissan NX/Sentra	52
A/C Compressor Oil Checking — General Reference	19
A/C Compressor Servicing — General Reference	25
Manual A/C-Heater Systems — 1993 NX/Sentra	40
A/C-Heater System Uniform Inspection Guidelines — General Reference	40
A/C System General Diagnostic Procedures	6
A/C System General Servicing	7
Nissan On-Vehicle Engine Adjustments — 1993, Including NX/Sentra	15
Nissan Air Bag Restraint Systems — Including NX/Sentra	18
Mitsubishi Alternators and Regulators — 1993, Including NX/Sentra	5
Hitachi Alternators and Regulators — 1993, Including NX/Sentra	5
Anti-Lock Brake Safety Precautions — General Reference	1
Anti-Lock Brake System — 1993 NX/Sentra	19
FWD Axle Shafts — 1991–1994 Sentra	7
Nissan Basic Engine Diagnostic Procedures — 1993, Including NX/Sentra	13
Brake System Uniform Inspection Guidelines — General Reference	34
Disc and Drum Brake System — 1993 Sentra	11
Mechanical Clutch — 1993 NX/Sentra	5
Computer Relearn Procedures — General Reference	2
Cruise Control System — 1993 Sentra	8
Nissan Rear Window Defoggers — 1993, Including NX/Sentra	3
Power Door Locks — 1993 Sentra	3
Drivetrain Systems Uniform Inspection Guidelines — General Reference	41
Nissan EGR Function Testing — General Reference	1
Electrical Component Locator — 1993 Sentra	47
Electrical System Uniform Inspection Guidelines — General Reference	52
Electrostatic Discharge Warning — General Reference	2
Nissan Emission Applications — 1993, Including NX/Sentra	2
Emission Control Visual Inspection Procedures — General Reference	15
Engine Cooling Fan — 1993 Sentra	13
Engine Overhaul Procedures — General Information	40
Engine Systems Uniform Inspection Guidelines — General Reference	105
Nissan Engine/VIN Identification — 1993, Including NX/Sentra	4
Exhaust System Uniform Inspection Guidelines — General Reference	9
Fuses and Circuit Breakers — 1991–1994 Sentra; NX Applications Listed Separately	2
Gear Tooth Contact Patterns — General Reference	3
General Cooling System Servicing	3
Heater Systems — 1993 Pulsar NX/Sentra	9
How to Use System Wiring Diagrams — General Reference	7
Analog Instrument Panel — 1993 Sentra	8
Electronic Instrument Panel — 1993 NX/Sentra	10
OHC Engine Interference Verification — Nissan Timing Belt Reference	2
Jacking and Hoisting — 1993 NX/Sentra	1
Engine-Control Wiring Diagrams — 1993 NX/Sentra	2
Maintenance Information — Sentra and NX Applications	16
Metric Conversions — General Reference	4
Passive Restraint System Inspection — General Asian-Vehicle Reference	23
Nissan ECM Pin Voltage Charts — 1993, Including NX/Sentra	24
Power Windows — 1993 Sentra	3
Pre-Alignment Checks — General Reference	1
Riding Height Adjustment — 1993 NX/Sentra	1
Scheduled Services, Gasoline — Sentra and NX Applications	25
Nissan Sensor Operating Range Charts — 1993, Including NX/Sentra	3
Nissan Engine Service and Adjustment Specifications — 1993, Including NX/Sentra	11
Hitachi Starters — 1993, Including NX/Sentra	6
Mitsubishi Starters — 1993, Including NX/Sentra	5
Nissan Steering Column Switches — 1993, Including NX/Sentra	7
Steering Column — 1993 NX/Sentra	7
Manual Rack-and-Pinion Steering — 1993 NX/Sentra	5
Power Rack-and-Pinion Steering — 1993 NX/Sentra	10
Steering Uniform Inspection Guidelines — General Reference	50
Front Suspension — 1993 NX/Sentra	7
Rear Suspension — 1993 NX/Sentra	5
Suspension Uniform Inspection Guidelines — General Reference	50
Symptom Check List Worksheets — General Reference	12
Nissan Engine System and Component Tests — 1993, Including NX/Sentra	89
System Wiring Diagrams — 1993 Sentra	26
GA16DE Self-Diagnostics — 1993 NX/Sentra	16
SR20DE Self-Diagnostics — 1993 NX/Sentra	17
Nissan Engine Diagnosis Without Codes — 1993, Including NX/Sentra	6
Nissan Engine Performance Theory and Operation — 1993, Including NX/Sentra	20
Automatic Transaxle Removal and Installation — 1991–1994 Sentra	3
Manual Transaxle Removal and Installation — 1993 Sentra	2
Automatic Transaxle Servicing — 1991–1994 Sentra	4
Manual Transaxle Servicing — 1993 NX/Sentra	2
Basic Troubleshooting Procedures — General Reference	63
Nissan Vacuum Diagrams — 1993, Including NX/Sentra	7
Injector Waveform Tutorial — General Reference	32
Wheel Alignment Specifications and Procedures — 1993 NX/Sentra	3
Wheel Alignment Theory and Operation — General Reference	5
Wiper/Washer System — 1993 Sentra	6
Wiring Diagram Symbols — General Reference	8
Vehicle Wiring Diagrams — 1993 NX/Sentra	15
Commonly Used Abbreviations — General Reference	11

The model-specific articles provide repair procedures and diagnostic data, while the general overhaul, troubleshooting, and Motorist Assurance Program references explain supporting workshop methods and inspection criteria.

Coverage varies by article. Most model-specific material is labeled 1993. Selected Sentra articles cover 1991–1994; maintenance and fuse references identify the 1991 NX Coupe and 1991–1993 NX1600/NX2000 separately. This is an article-based collection, not one continuous Nissan factory service manual.

PDF Search, Diagram Detail, and File Contents

Text search and diagram navigation: Article text is searchable, but many labels inside diagram images are not. No embedded PDF bookmarks are provided. Small wire-color codes, connector numbers, and pin labels in the sampled wiring diagrams require zooming for comfortable reading.

The ZIP download contains 85 printable English PDFs totaling 1,355 pages, including five blank end pages. The two 50-page steering and suspension inspection guides contain the same general reference material under different headings; both are included in the total.

Engine Overhaul, Fault Diagnosis, and Chassis Service

The following highlights are a selection of the included content. Additional references cover electrostatic-discharge precautions and symptom-report worksheets.

Engine repair: Step-by-step procedures cover engine/transaxle removal from below, cylinder-head work, timing-chain and camshaft service, oil-pump repair, and internal engine inspection.
Driveability diagnosis: Basic tests, ECM self-diagnostics, code and no-code troubleshooting, Nissan CONSULT procedures, alternate circuit tests, pin-voltage charts, and sensor operating ranges.
Transaxles and drive axles: Manual and automatic transaxle removal, installation, fluid service and adjustments, clutch replacement, and front axle-shaft/CV-joint disassembly and reassembly.
Brakes and chassis: Disc/drum brake service, ABS diagnosis, manual and power rack-and-pinion repair, hydraulic steering tests and bleeding, suspension work, and wheel alignment.
Electrical and restraints: Hitachi/Mitsubishi alternator and starter testing, analog and digital clusters, power accessories, cruise control, SRS diagnosis, connector views, and component-location grids.
A/C and cooling: Manual A/C-heater troubleshooting, compressor servicing references, blower and control-circuit tests, electric cooling-fan diagnosis, water-pump service, and cooling-system bleeding.

This material is suited to technicians and experienced owners who can carry out precision engine measurements and circuit tests with the required workshop equipment.

Engine Overhaul Detail

GA16DE valve train: The engine article explains shim-selected valve adjustment using Valve Clearance Adjuster J38972-1 and Valve Lifter Retainer J38972-2. It distinguishes the inspection limits from the cold adjustment specifications and covers the inner and outer timing-chain components.

SR20DE valve train: Hydraulic lash adjusters require a separate clearance setup after cylinder-head, rocker-guide, shim, valve, or seat replacement. The article also describes lash-adjuster bleeding and identifies Dial Indicator Stand J-38957.

Both engine articles include component-specific tightening sequences, wear and warpage limits, oil-clearance data, valve and spring specifications, and piston, rod-journal, and main-bearing grade identification. Other named tools include Cylinder Head Bolt Wrench J-24239-01, Oil Seal Installer J-38958, and Seal Cutter KV10111100.

The timing-chain cautions explain the risk of engine damage if the crankshaft or camshafts are rotated with the chain removed. The SR20DE oil-pan section also warns that prying sealed joints apart with a screwdriver can distort the flanges.

Circuit Testing and Diagnostic References

The ECM pin-voltage charts and connector-terminal views connect diagnostic results with specific circuits. Sensor operating-range charts also support checks for sensors that drift out of calibration without necessarily setting a fault code. CONSULT tests have alternate procedures where provided.

Mechanical illustrations include Exploded View of Timing Chain Components, Engine Oil Circuit, and Exploded View of Oil Pump Components. Electrical examples include the Anti-Lock Brake System (ABS) Wiring Diagram, ECM/Fuel Injectors/Ignition Coil diagrams, and A/C Circuit, Lever Control Type.

Separate engine-control diagrams and circuit variants distinguish manual versus automatic transmission and analog versus digital instrument clusters. The general injector-waveform tutorial explains voltage-controlled and current-controlled driver patterns.

Transaxle Scope and Maintenance Planning

The model-specific transaxle articles cover removal, installation, servicing, and adjustment; they do not provide a complete internal manual or automatic transaxle overhaul. The automatic article includes converter-seating checks, shift-linkage adjustment, and neutral-safety-switch adjustment.

Normal and severe-service maintenance schedules, fluid specifications, and service-labor-time tables support maintenance planning. General inspection references apply to multiple makes or Nissan models and should be used with the relevant model-specific article.

A/C, Cooling, and Workshop Requirements

The manual A/C-heater article identifies the Zexel DKV-14C compressor and includes lever-control and push-button circuit diagrams. Cooling-fan tests distinguish engine and transmission configurations.

Engine/transaxle removal requires stable lifting and support equipment. SRS, brake, and R-12 A/C work requires the specified isolation, test, and refrigerant-recovery equipment.

Examples of Valve-Lash and Converter-Seating Specifications

For GA16DE shim adjustment, the cold valve-clearance specifications are 0.010–0.013 in. (0.25–0.32 mm) intake and 0.013–0.016 in. (0.32–0.40 mm) exhaust. These adjustment values are listed separately from the hot inspection limits.

The Sentra automatic-transaxle installation article checks converter seating by the distance from the drive-plate mounting pad to the transaxle’s engine mating surface: 0.83 in. (21 mm) for the GA16DE application and 0.63 in. (16 mm) for the SR20DE application.

Nissan Sentra & NX 1991–1994 Repair Manual Collection

Nissan Models Covered & Key Technical Specifications

Nissan Manual Features & Selected Content Preview