1999-2002 Isuzu 6VE1, 6VD1, 4JX1 Workshop Manual

Isuzu 6VE1, 6VD1, 4JX1 (1999–2002) Service Coverage

• Built for owners and professional workshops servicing 1999–2002 Isuzu UBS models equipped with 6VE1, 6VD1, or 4JX1 engines
• Official OEM publication P/N RV99_02-01.E, the reference documentation for US and right-hand drive configurations
• Includes 12 circuit diagrams for climate control and electrical systems plus 59 diagnostic troubleshooting flow charts
• Delivered as a direct download the moment payment clears
• Indexed PDF search covers every chapter and appendix
• Print resolution preserves exploded-view detail
• This technical manual provides the factory-standard reference for HVAC system overhaul, including component teardown for the DKV-14D, HD6, and DKS-15CH compressor variants

System Scope and Technical Documentation

The 1999–2002 Isuzu 6VE1, 6VD1, 4JX1 workshop manual documents essential procedures for maintaining vehicle climate, heating, and cooling systems. The content details the mechanical aspects of the DKV-14D, HD6, and DKS-15CH compressor types, including rotor dimensions, vane configurations, and specific stroke measurements. It provides comprehensive wiring schematics for both LHD and RHD configurations, illustrating the integration of the heater & A/C relay, ceramic heater unit, and condenser fan circuit. The documentation segment on maintenance schedules outlines critical fluid replacement intervals for engine oil, automatic transmission fluid, and differential gear oil under both standard and severe driving conditions.

HVAC and Electrical Reference Specifications

This publication provides technical data for the refrigeration cycle, including nominal pressures and electronic thermostat switching points. Low-pressure side manifold gauge readings are documented at approximately 147–294 kPa (21–43 PSI). High-pressure side values for the refrigerant system are provided as 1373–1863 kPa (199–270 PSI). The manual specifies HFC-134a refrigerant charges at 750 g (1.65 lbs). Compressor shaft nut torque is specified at 13 Nm (113 lb-in) in the fixing torque guide. All service data shown here is for reference only — qualified technicians and the original OEM documentation remain the authoritative source for any hands-on work.

An official 11000-page Isuzu OEM workshop manual covering the 1999–2002 UBS series, documenting engine, chassis, and HVAC electrical specifications for the 6VE1, 6VD1, and 4JX1 powertrain configurations.