1985 ST-382B-85 GM Light Duty Truck C-K-G-P Series Shop Manual – PDF DOWNLOAD

Description

1985 ST-382B-85 GM Light Duty Truck C-K-G-P Series Shop Manual – PDF DOWNLOAD

DESCRIPTION:

1985 ST-382B-85 GM Light Duty Truck C-K-G-P Series Shop Manual – PDF DOWNLOAD

GENERAL DESCRIPTION

• All these models are four barrel, two stage carburetors with three major assemblies: the air horn, float bowl and throttle body.
• They have six basic operating systems, shown in Figures 1 through

• FLOAT
• IDLE
• MAIN METERING
• POWER
• PUMP
• CHOKE

METERING SYSTEMS

• A single float chamber supplies fuel to all bores. A float, float needle with pull clip, and float needle seat, are used to control the level of fuel in the float chamber. A vacuum-operated power piston and metering rods control the air/fuel metering in the primary bores of the .
• Tapered metering rods are attached to the power valve piston assembly, and move in fixed metering jets, to provide the fuel flow for varying engine demands. A adjustable part throttle screw, used on all models, precisely positions the tapered portion of the metering rods in the jets. (On models, the factory-set rich stop adjusting bushing precisely positions the enrichment portion of the metering rods in the jets.)

TABLE OF CONTENTS:

1985 ST-382B-85 GM Light Duty Truck C-K-G-P Series Shop Manual – PDF DOWNLOAD

CONTENTS
General Description…………………………………….6C10-1
Operating Systems……………………………………… 6C10-1
Carburetor Identification…………………………… 6C10-8
On-Vehicle Service……………………………………… 6C10-9
Float Level Check………………………………………. 6C10-9
Choke and Hoses…………………………………………6C10-9
Choke Check Procedures…………………………….. 6C10-9
Vacuum Break Checking Procedure…………….6C10-9
Fast Idle Adjustment…………………………………..6C10-10
Idle Speed Adjustment…………………………………6C10-11
Throttle Kicker Adjustment…………………………6C10-12
Idle Mixture Check and Adjustment (LD)…….6C10-12
Idle Mixture Check and Adjustment (HD)……6C10-13
Fuel Filter Replacement…………………………….. 6C10-14
Carburetor Mounting Torque………………………6C10-14
Carburetor Replacement……………………………. 6C10-14
UNIT REPAIR…………………………………………….6C10-15
Disassembly……………………………………………….. 6C10-15
Exploded Views…………………………………………..6C10-16
Cleaning and Inspection…………………………….. 6C10-27
Reassembly………………………………………………… 6C10-29
Unit Repair Adjustments……………………………. 6C10-33
Special Tools………………………………………………. 6C10-39
Adjustment Specifications…………………………..6C10-40
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