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1998 Chevrolet Blazer C - SPECIFICATIONS - 4.3L' '1998 ENGINE PERFORMANCE General Motors Corp. - Service & Adjustment Specifications 4.3L

C - SPECIFICATIONS - 4.3L 1998 ENGINE PERFORMANCE General Motors Corp. - Service & Adjustment Specifications 4.3L

INTRODUCTION Use this article to quickly find specifications related to servicing and on-vehicle adjustments. This article may be used for quick reference when you are familiar with proper adjustment procedures and only need a specification.

MODEL IDENTIFICATION Vehicle model is identified by fifth character of Vehicle Identification Number (VIN). VIN is stamped on metal pad on top of left end of instrument panel, near windshield.

CAPACITIES BATTERY SPECIFICATIONS Series Cold Crank Amps @ 0°F (-18°C) S/T 525 S/T 690

Reserve Capacity (Minutes) 90 90

FLUID CAPACITY (CRANKCASE) (1) Application 4.3L (1) Fluid capacities listed are approximate. Always fill to FULL mark. (2)

Quantity Qts. (L) 4.5 (4.3)

(2)

Quantity Qts. (L) 11.7 (11.1) 11.9 (11.3)

(2)

Quantity Qts. (L) 5.0 (4.7) 7.7 (7.3)

Includes oil filter capacity.

FLUID CAPACITY (COOLING SYSTEM) (1) Application Automatic Transmission Manual Transmission (1) Fluid capacities listed are approximate. Always fill to FULL mark. (2)

(2)

Includes heater.

FLUID CAPACITY (AUTOMATIC TRANSMISSION) (1) Application 4L60-E 4L80-E ESYPRO Jueves, 17 de Septiembre de 2009 11:28:02 11:28:00 p.m.

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© 2005 Mitchell Repair Information Company, LLC.

1998 Chevrolet Blazer C - SPECIFICATIONS - 4.3L' '1998 ENGINE PERFORMANCE General Motors Corp. - Service & Adjustment Specifications 4.3L

(1)

Fluid capacities listed are approximate. Always fill to FULL mark with Dexron-III.

(2)

Drain and refill capacity only. Does not include torque converter, unless specified otherwise.

FLUID CAPACITY (MANUAL TRANSMISSION) (1) Application NVG 3500 NVG 4500

Quantity Qts. (L) (3)

2.2 (2.0) (2) 4.0 (3.8)

(1)

Fluid capacities listed are approximate. Always fill to FULL mark.

(2)

75W-85 GL4 Synthetic Lubricant (GM 12346190).

(3)

Synchromesh Transmission Fluid (GM 12345349).

QUICK-SERVICE SERVICE INTERVALS & SPECIFICATIONS REPLACEMENT INTERVALS Component Accessory Drive Belt Air Cleaner Engine Coolant Fuel Filter Oil & Filter Spark Plugs (1) Inspect and replace as necessary.

Interval (Miles) (1)

60,000 30,000 150,000 30,000 3000 100,000

MECHANICAL CHECKS ENGINE COMPRESSION COMPRESSION SPECIFICATIONS Application Compression Ratio Normal Compression Pressure

Specification 9.2:1 (1) (1)

Minimum Compression Pressure (1)

Lowest compression reading should not be less than 70 percent of highest compression reading. No cylinder compression reading should be less than 100 psi 7 kg/cm2 ).

VALVE CLEARANCE ESYPRO Jueves, 17 de Septiembre de 2009 11:28:00 p.m.

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© 2005 Mitchell Repair Information Company, LLC.

1998 Chevrolet Blazer C - SPECIFICATIONS - 4.3L' '1998 ENGINE PERFORMANCE General Motors Corp. - Service & Adjustment Specifications 4.3L

VALVE CLEARANCE SPECIFICATIONS Application 4.3L (1)

In. (mm) (1)

Equipped with hydraulic lifters. Adjustment is not required.

IGNITION SYSTEM HIGH TENSION WIRE RESISTANCE HIGH TENSION WIRE RESISTANCE Application 4.3L

Ohms 30,000 Maximum

SPARK PLUGS SPARK PLUG TYPE Application 4.3L

Part No. AC 41-932

SPARK PLUG SPECIFICATIONS Application Gap In. (mm) 4.3L .045 (1.14) (1)

Torque Ft. Lbs. (N.m) (1) 14 (20)

Tighten spark plugs to 22 ft. lbs. (30 N.m) if using a NEW cylinder head.

FIRING ORDER

ESYPRO Jueves, 17 de Septiembre de 2009 11:28:00 p.m.

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© 2005 Mitchell Repair Information Company, LLC.

1998 Chevrolet Blazer C - SPECIFICATIONS - 4.3L' '1998 ENGINE PERFORMANCE General Motors Corp. - Service & Adjustment Specifications 4.3L

Fig. 1: Firing Order Courtesy of GENERAL MOTORS CORP.

IGNITION TIMING ESYPRO Jueves, 17 de Septiembre de 2009 11:28:00 p.m.

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© 2005 Mitchell Repair Information Company, LLC.

1998 Chevrolet Blazer C - SPECIFICATIONS - 4.3L' '1998 ENGINE PERFORMANCE General Motors Corp. - Service & Adjustment Specifications 4.3L

All models are equipped with an electronic computer-controlled ignition system. Timing on this system is not adjustable.

FUEL SYSTEM FUEL PUMP FUEL PUMP PERFORMANCE Application 4.3L

psi (kg/cm2 ) 60-66 (4.2-4.6)

INJECTOR RESISTANCE INJECTOR RESISTANCE SPECIFICATIONS (1) Application 4.3L

Ohms (2)

(1)

Injector resistance specification is at 50-95°F 10-35°C).

(2)

Resistance values are not available at time of publication. To check fuel injectors, perform injector test. See FUEL DELIVERY under FUEL SYSTEM in I - SYSTEM/COMPONENT TESTS article.

IDLE SPEED & MIXTURE Idle mixture on fuel injected models is controlled by PCM and is not adjustable. Controlled idle speed and IAC count can be checked using scan tool. See CONTROLLED IDLE SPEED & IAC COUNT table. For controlled idle speed adjustment procedures, see D - ADJUSTMENTS article. CONTROLLED IDLE SPEED & IAC COUNT Application Idle RPM 4.3L 650

IAC Counts 18

THROTTLE POSITION (TP) SENSOR THROTTLE POSITION (TP) SENSOR VOLTAGE (1) Application 4.3L (1) Specification is with engine idling (throttle closed) at normal operating temperature.

Voltage .47

ESYPRO Jueves, 17 de Septiembre de 2009 11:28:00 p.m.

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© 2005 Mitchell Repair Information Company, LLC.