Mitsubishi Montero 1993 3.0L Service Manual Collection

The vehicle-specific articles work alongside general overhaul, inspection, troubleshooting, and waveform references. Selected engine, drivetrain, axle, and cooling articles also cover Mitsubishi Pickup and Dodge Ram-50 applications; those applications are identified within the individual articles.

Transmission coverage: Identification, lubrication, adjustments, and removal/installation information are included, rather than a complete internal transmission overhaul.

PDF Articles, Search, and Diagram Detail

Text search and circuit labels: The PDFs contain searchable text, but many diagram and worksheet labels are not searchable. No embedded PDF bookmarks are included. Small wiring-diagram labels require zooming.

The ZIP contains 83 printable English PDFs totaling 1,135 pages, including supplemental reference articles, 16 pages containing introductory material, and nine blank pages.

6G72 Repair, 4WD Service, and Electrical Diagnosis

These selected contents outline the main repair areas rather than reproduce the complete contents list. Further topics include maintenance reminder-light resets and symptom-recording worksheets.

• 6G72 engine repair: Step-by-step engine removal, cylinder-head overhaul, timing-belt replacement, camshaft and rocker-arm service, crankshaft seals, water pump, oil pan, and oil pump.

• Engine diagnostics: Preliminary inspection, compression and fuel-pressure testing, fault-code retrieval and clearing, no-code symptom diagnosis, ECM connector checks, sensor tests, and ignition and idle adjustments.

• Drivetrain and 4WD: Clutch service, transfer-case teardown and reassembly, center-differential and viscous-coupling work, locking hubs, and front and rear differential repair.

• Brakes and ABS: Hydraulic bleeding, master-cylinder and caliper overhaul, load-sensing proportioning-valve checks, ABS code diagnosis, wheel-sensor tests, and hydraulic-unit testing.

• Steering and suspension: Power-steering pressure testing and bleeding, recirculating-ball gear and pump overhaul, front wheel-bearing adjustment, ball joints, torsion bars, control arms, and variable-shock diagnostics.

• Electrical and HVAC: Starting and charging tests, component and ground locations, grid-based wiring diagrams, manual A/C-heater diagnosis, and body-equipment circuit testing.

Suited to technicians and experienced owners familiar with electrical testing and equipped for engine and driveline work, this material calls for a DVOM and task-specific service tools.

6G72 Engine Mechanical and Performance

The engine article distinguishes Montero oil-pan removal from Pickup/Ram-50 procedures and covers cylinder-block inspection, pistons and rods, crankshaft and main bearings, valve service, and lubrication-system checks. Hydraulic lash adjusters do not require routine valve-clearance adjustment.

Rebuild data includes component-specific torque tables, bearing and oil clearances, piston and ring limits, cylinder-block and head measurements, valve and guide data, camshaft limits, and oil-pump clearances.

Timing and cylinder heads: Illustrations show the exploded timing-belt assembly, camshaft and crankshaft timing marks, belt direction and tension checks, and timing-cover bolt lengths. Head-gasket identification, bolt-washer orientation, sealing locations, and staged tightening references accompany the cylinder-head procedures.

The cylinder-head section warns that incorrect bolt loosening can warp or crack the head. Special-tool references include MD998051, MB998747, MD998443, MD998727, and MD998184 for cylinder-head, crankshaft-pulley, lash-adjuster, oil-pan, and piston-pin work.

Fault isolation: Cross-references connect preliminary tests, code charts, and connector checks, helping you choose the next diagnostic check for a no-start or rough-idle complaint. Vacuum diagrams, sensor range charts, and the dedicated engine-control wiring diagram support the electrical tests.

Clutches, Transfer Cases, and Axles

Clutch articles distinguish cable-operated RWD systems from hydraulic 4WD systems and include master- and release-cylinder overhaul.

Transfer-case coverage extends to input and output shafts, the Montero center differential, the 2WD–4WD synchronizer, detection switches, 4WD indicator control, and rear differential-lock circuitry. Exploded views show the Montero transfer case and center differential. Bearing-removal loads must be kept off the viscous coupling to avoid damaging it.

Differential variants: Rear-axle procedures separate conventional units, the limited-slip differential available on Montero RS models without ABS and Pickup/Ram-50 4WD, and the locking differential available on Montero SR models.

Axle repair includes CV joints, bearings and seals, pinion depth, bearing preload, ring-gear backlash, tooth-contact patterns, and locking-differential testing. Limited-slip disc and plate order affects clutch preload and whether the case seats correctly.

Pickup/Ram-50 locking-hub disassembly and inspection are included. Montero automatic locking-clutch coverage provides removal/installation information and an exploded view, without an internal overhaul procedure.

Brakes, Steering, and Chassis

Brake sections add pedal and parking-brake adjustments, disc and drum inspection, ABS relay and control-unit tests, and hydraulic-unit removal and installation. The ABS hydraulic unit is treated as a replacement assembly, not an overhaulable component. Its assembly illustration and wiring diagram accompany the diagnostic material.

NHTSA Campaign 96V143000 addresses front brake-hose cracking on 1992–93 Montero models. Chassis articles also cover ride-height adjustment and wheel alignment, with inspection and adjustment specifications for the front suspension.

Electrical, HVAC, and Service References

The wiring package covers the engine controls, ABS, A/C-heater circuits, cruise control, rear differential lock, 4WD controls, variable shock absorbers, instrument cluster, lighting, wipers, and power accessories. Component and ground-location tables support circuit tracing.

Body-equipment articles cover the rear defogger, power windows, locks, mirrors, and sunroof; antenna circuits appear in the wiring material.

Manual A/C-heater system: Diagnosis includes control-unit voltage tests, switch and thermistor checks, dual-pressure-switch testing, blower resistor and switch continuity, and compressor-clutch and relay checks. Removal information covers the blower, compressor, condenser, and evaporator assemblies.

The Montero specification table identifies the R-12/Nippondenso 10PA15 system. General companion articles address refrigerant recovery, compressor-oil checking, and R-12/R-134a service practices; the underhood A/C specification label controls whenever it differs from the article.

Maintenance references include scheduled service charts, service labor times, lubrication and fluid specifications, wheel and tire data, battery specifications, fuse locations, and jacking points. General inspection and troubleshooting articles supplement the model-specific repair sections.

Fuel-system pressure, brake hydraulics, vehicle lifting, rotating engine parts, and refrigerant service all require the safety procedures and approved equipment identified in the relevant articles.

Examples of Lubrication and Crankshaft Inspection Data

For the 6G72, the lubrication section specifies a minimum oil pressure of 11 psi at idle with engine oil at 167–194°F.

The crankshaft table lists standard end play of .0020–.0098 in. and a .012-in. service limit, alongside the bearing-clearance and inspection data.