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Engine Controls - Specifications - 6.5L Diesel: Other Chevrolet Suburban C2500

Specifications 1 illustration ~134 words

BELT TENSION

ApplicationTension - Lbs. (kg)
6.5L (VIN P & S)(1)
(1) Serpentine belt tension is maintained automatically by a spring-tensioned idler pulley. No adjustment is necessary.
(1)Serpentine belt tension is maintained automatically by a spring-tensioned idler pulley. No adjustment is necessary.

BELT ADJUSTMENT

ENGINE COMPRESSION

ApplicationCompression Ratio
6.5L Diesel Turbo Diesel (VIN F, P & S)21.3:1

COMPRESSION RATIO

VALVE CLEARANCE

Note. All models are equipped with hydraulic lifters. No adjustments are required.

IGNITION COIL

ApplicationOhms
6.5L (VIN P & S)500-1500

PICK-UP COIL RESISTANCE

HIGH TENSION WIRE RESISTANCE

ApplicationOhms
6.5L (VIN P & S)30,000 Maximum

HIGH TENSION WIRE RESISTANCE

FIRING ORDER & TIMING MARKS

Note. For firing order and timing marks (Scheme 2)

Firing Order (6.5L Diesel). Scheme 2

Scheme 2: Firing Order (6.5L Diesel)

INJECTION TIMING

Note. For timing adjustment procedures, see ADJUSTMENTS - 6.5L DIESEL article in the ENGINE PERFORMANCE section.

FUEL PUMP

ApplicationPsi (kg/cm 2 )
6.5L Diesel (VIN F, P & S)5.8-8.7 (0.4-0.6)

FUEL PUMP PERFORMANCE

INJECTOR RESISTANCE

Application(1) Ohms
6.5L (VIN P & S)1.3
(1) Injector resistance specification is at 140°F (60°C).
(1)Injector resistance specification is at 140°F (60°C).

INJECTOR RESISTANCE SPECIFICATIONS

THROTTLE POSITION (TP) SENSOR

Note. TP sensor has been replaced by a nonadjustable Accelerator Pedal Position (APP) module. APP signals PCM which signals fuel solenoid driver and fuel injector control. Throttle control is thus electronic with NO mechanical link from engine to pedal.