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Engine Controls - Specifications - 5.7L.: Other Chevrolet Suburban C1500

Specifications 1 illustration ~151 words

BELT TENSION

ApplicationTension - Lbs. (kg)
5.7L (VIN K)(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
5.7L (VIN K)(1) 9.1:1
(1) Compression ratio is 8.3:1 for vehicles with GVW greater than 8500 lbs.
(1)Compression ratio is 8.3:1 for vehicles with GVW greater than 8500 lbs.

COMPRESSION RATIO

VALVE CLEARANCE

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

IGNITION COIL

ApplicationOhms
5.7L (VIN K)500-1500

PICK-UP COIL RESISTANCE

HIGH TENSION WIRE RESISTANCE

ApplicationOhms
5.7L (VIN K)30,000 Maximum

HIGH TENSION WIRE RESISTANCE

SPARK PLUGS

ApplicationAC
5.7L (VIN K)CR43TS

SPARK PLUG TYPE

ApplicationGap - In. (mm)Torque - Ft. Lbs. (N.m)
5.7L (VIN K).035 (0.89)11 (15)

SPARK PLUG SPECIFICATIONS

FIRING ORDER & TIMING MARKS

Note. For firing order and timing marks (Scheme 1)

Firing Order & Timing Marks (5.7L VIN K). Scheme 1

Scheme 1: Firing Order & Timing Marks (5.7L VIN K)

IGNITION TIMING

Note. For timing adjustment procedures, see ADJUSTMENTS - 5.7L article in the ENGINE PERFORMANCE section.

Application(1) Man. Trans.(2) Auto. Trans.
5.7L (VIN K)0 @ Idle0 @ Idle
(1) With transmission in Neutral. (2) With transmission in Neutral or Park.
(1)With transmission in Neutral.
(2)With transmission in Neutral or Park.

IGNITION TIMING

FUEL PUMP

ApplicationPsi (kg/cm 2 )
5.7L (VIN K)9-13 (0.6-0.9)

FUEL PUMP PERFORMANCE

INJECTOR RESISTANCE

Application(1) Ohms
5.7L (VIN K)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

IDLE SPEED & MIXTURE

Note. Idle mixture on fuel injected models is controlled by Electronic Control Module (ECM) and is not adjustable. Controlled idle speed and IAC count can be checked using scan tester. See CONTROLLED IDLE SPEED & IAC COUNT table.

ApplicationIdle RPM(1) IAC Counts
Under 8500 GVW
Auto. Trans. (2)5505-30
Man. Trans. (3)7005-30
Over 8500 GVW
Auto. Trans. (2)5505-30
Man. Trans. (3)6005-30
(1) Add 2 counts for engines with less than 500 miles. Add 2 counts for every 1000 ft. above sea level. (2) Automatic transmission in Drive. (3) Manual transmission in Neutral. Tech 1 scan tester will display "RDL" with transmission in Neutral.
(1)Add 2 counts for engines with less than 500 miles. Add 2 counts for every 1000 ft. above sea level.
(2)Automatic transmission in Drive.
(3)Manual transmission in Neutral. Tech 1 scan tester will display "RDL" with transmission in Neutral.

CONTROLLED IDLE SPEED & IAC COUNT