Repairing 1994 GMC K2500 Suburban Automobiles? Access Complete DIY repair procedures (Charts, Diagrams, Procedures, Specifications)

1994 GMC K2500 Suburban CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT GMC REPAIR SHOPS DON'T WANT YOU TO KNOW

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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1994 GMC K2500 Suburban car and truck repair procedures including GMC engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up & drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix your GMC K2500 Suburban automobile. Try the Automotix DIY solution today!

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Using the Automotix DIY repair procedures will save you hundreds and even thousands of dollars! In addition, it will save you hours of touring the city searching for GMC mechanics you can trust. The Automotix DIY solution is particularly affordable. A full access to the entire DIY repair procedures and diagrams for your 1994 GMC K2500 Suburban vehicle will cost less than a single gallon of gas. Here are some of the DIY repair tips and procedures you will find here:

A/C & HEATER SERVICE PROCEDURES FOR 1994 GMC K2500 Suburban AUTOMOBILES

Air Bag System Precautions -> General Motors Corp. -> Disarming -> 1990 -> 1990-93 -> 1990-95 -> 1990-97 -> 1991 -> 1991-93 -> 1991-94 -> 1991-95 -> 1992-93 -> 1992-99 -> 1993-2002 -> 1993-94 -> 1993-98 -> 1994 -> 1994-2002 -> 1994-95 -> 1994-96 -> 1994-98 -> 1995-2002 -> 1995-96 -> 1995-97 -> 1995-98 -> 1995-99 -> 1996 -> 1996-2001 -> 1996-97 -> 1997 -> 1997-2002 -> 1997-98 -> 1997-99 -> 1998-2000 -> 1998-2002 -> 1998-99 -> 1999 -> 1999-2000 -> 1999-2001 -> 1999-2002 -> 2000-02 -> 2001-02 -> 2002 -> 2003 -> 2003-04 -> 2003-04 Except Malibu Maxx -> Achieva & Skylark -> Alero -> Astro & Safari -> Aurora -> Avalanche -> Aveo -> Aztek & Rendezvous -> Beretta & Corsica -> Blazer, Jimmy, Sonoma & S-10 -> Bonneville, Eighty-Eight, LeSabre, LSS, Ninety-Eight & Regency -> Bravada, Envoy, Rainier, SSR & TrailBlazer -> C/K Series -> Camaro & Firebird -> Canyon & Colorado -> Caprice, Custom Cruiser & Roadmaster -> Catera -> Cavalier & Sunfire -> Century -> Corvette -> Coupe -> CTS -> Cutlass -> Cutlass Ciera & Cruiser -> Cutlass Supreme -> DeVille -> Eldorado -> Escalade -> Express, G Series & Savana -> Fleetwood -> Grand Am -> Grand Prix & Intrigue -> Impala -> ION -> L-Series -> Light Trucks & Vans -> Lumina -> Lumina APV, Montana, Silhouette, Trans Sport & Venture -> Malibu -> Malibu Maxx -> Metro -> Monte Carlo -> Park Avenue -> Passenger Cars -> Prizm -> Reatta, Toronado & Trofeo -> Regal -> Riviera -> S-Series -> Sedan -> Seville -> Sierra & Silverado -> SRX -> Storm -> Suburban, Tahoe, Yukon & Yukon XL -> Tracker -> Vibe -> VUE -> XLR -> Zone 1 -> Zone 10 -> Zone 12 -> Zone 2 -> Zone 3 -> Zone 4 -> Zone 5 -> Zone 6 -> Zone 7 -> Zone 8 -> Zone 9 -> Zones 1 & 7 -> Zones 2 & 6 -> Zones 5 & 9 -> Zones 7 & 9
Vehicle: 1994 GMC K2500 Suburban 5.7 V8 GAS

Passenger Cars

The Sensing and Diagnostic Module (SDM) can maintain enough voltage to cause air bag deployment for up to 10 minutes after the ignition is turned Off and the battery is disconnected. Servicing the Supplemental air bag (SIR) system during this period may result in accidental deployment and personal injury.

Achieva & Skylark

1994-96

Ensure front wheels are in straight-ahead position.
Turn ignition switch to LOCK position.
Remove AIR BAG fuse from fuse block.
On 1995 models, remove lefthand sound insulator panel to ac...

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BRAKE SERVICE PROCEDURES FOR 1994 GMC K2500 Suburban AUTOMOBILES

Drum Brakes -> Precautions
Vehicle: 1994 GMC K2500 Suburban 7.4 V8 GAS

When working on or around brake assemblies, care must be taken to prevent breathing asbestos dust, as many manufacturers incorporate asbestos fibers in the production of brake linings. During routine service operations, the amount of asbestos dust from brake lining wear is at a low level due to a chemical breakdown during use, and a few precautions will minimize exposure. Do not sand or grind brake linings unless suitable local exhaust ventilation equipment is used to prevent exces...

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FUEL FILTER REPLACEMENT PROCEDURES FOR 1994 GMC K2500 Suburban AUTOMOBILES

General Motors Corp./Saturn Light Trucks, SUVs & Vans -> Fuel Filter Replacement -> 6.5L Diesel Engine
Vehicle: 1994 GMC K2500 Suburban 6.5 V8 DIESEL

On models equipped with fuel injected engines, relieve fuel system pressure as outlined under "Fuel System Pressure Relief."

On models equipped with metal collar quick disconnect connectors, GM tool No. J37088-A, or equivalent, will be required to disconnect the connector. Prior to reconnecting the connector, apply a few drops of clean motor oil to the male pipe ends.

On models equipped with plastic collar quick disconnect connectors, squeeze the connector plastic retainer release tabs to release the connector. Prior to reconnecting the connector, apply a few drops of clean motor...

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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1994 GMC K2500 Suburban AUTOMOBILES

CV AXLE SHAFT, Replace -> Install -> Remove
Vehicle: 1994 GMC K2500 Suburban 6.5 V8 DIESEL

Remove

Raise and support vehicle.
Remove wheel and tire assembly.
Remove drive axle center cap, if equipped.
Insert a drift or large screwdriver through brake caliper into one of the brake rotor vanes in order to prevent drive axle wheel drive shaft from turning.
Remove nut and washer from hub. Do not reuse nut. A new nut must be used when installing wheel drive shaft.
Using axle remover tool No. J 45859 or equivalent, press wheel drive shaft from hub.
Remove bolts securing wheel drive shaft inboard flange to output shaft flange.
Remove drift from rotor.
Remove stabilizer shaft li...

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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1994 GMC K2500 Suburban AUTOMOBILES

Alternator, Replace
Vehicle: 1994 GMC K2500 Suburban 6.5 V8 DIESEL

Disconnect battery ground cable.
Disconnect terminal plug and battery lead from rear of alternator.
Remove accessory drive belt.
Remove alternator mounting bolts.
Separate alternator from mount...

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MAINTENANCE LAMP RESET PROCEDURES FOR 1994 GMC K2500 Suburban AUTOMOBILES

General Motors Corp./Saturn Trucks -> Service Throttle Soon Indicator Lamp ->
Vehicle: 1994 GMC K2500 Suburban 6.5 V8 DIESEL

A "Service Throttle Soon" indicator lamp is mounted in the lower righthand instrument cluster corner on these models. It lights when the ignition is turned On, but should go out approximately 1-5 seconds after the engine starts.

Traditional throttle cables are no longer used on these models. The PCM receives signals from an electron...

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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1994 GMC K2500 Suburban AUTOMOBILES

Coolant Hose, Replace -> Lower -> Upper
Vehicle: 1994 GMC K2500 Suburban 7.4 V8 GAS

Lower

Drain cooling system into a suitable container.
Reposition hose clamp from radiator.
Remove radiator outlet hose from radiator.
Reposition hose clamp from coolant pump.
Remove radiator outlet hose from coolant pump and from vehicle.
Reverse procedure...

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SERPENTINE BELT SERVICE PROCEDURES FOR 1994 GMC K2500 Suburban AUTOMOBILES

Serpentine Drive Belt, Replace
Vehicle: 1994 GMC K2500 Suburban 5.7 V8 GAS

Rotate tensioner counterclockwise, using a ^1/2 inch breaker bar with a socket placed on tensioner ...

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COMPONENT LOCATION DIAGRAMS FOR 1994 GMC K2500 Suburban AUTOMOBILES

Component location diagrams for most 1994 GMC K2500 Suburban cars and light trucks sold in the U.S. from 1990+.

RH Side of Engine Components Diagram for 1994 GMC K2500 Suburban 7.4 V8 GAS

Components on diagram:

Idle Air Control Motor

TP Sensor

Ignition Coil

Generator

Canister Purge Solenoid

Rear Window Release Relay Diagram for 1994 GMC K2500 Suburban 5.7 V8 GAS

Components on diagram:

Rear Window Release Relay

Connector C-262

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WIRING DIAGRAMS FOR 1994 GMC K2500 Suburban AUTOMOBILES

OEM drawn wiring diagrams for most 1994 GMC K2500 Suburban cars and light trucks sold in the U.S.

1994 GMC K2500 Suburban 6.5 V8 DIESEL Wiring Diagram

Components on diagram:

Horn Relay

Convenience Center

Audio Alarm Module

Safety Belt Retractor Switch

Key-In Warning Buzzer

1994 GMC K2500 Suburban 5.7 V8 GAS Wiring Diagram

Components on diagram:

Fuel Pump

Fuel Gage

Temp Gage

Ignition Coil

Tachometer

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TECHNICAL SERVICE BULLETINS FOR 1994 GMC K2500 Suburban AUTOMOBILES

OEM TSB listings for most 1994 GMC K2500 Suburban cars and light trucks sold in the U.S. from 1985+.

Document: Car and Truck Fix It Right the First Time Issues
Vehicle: 1994 GMC K2500 Suburban 5.7 V8 GAS

Auto Systems:

Labor Times, Manuals, Warranty, Aids

Document: Bumps or Rust Colored Spots in Paint Due to Rail or Iron Dust
Vehicle: 1994 GMC K2500 Suburban 5.7 V8 GAS

Auto Systems:

Finishes, Body Structure, Frame, Bumpers

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COMPONENT/PARTS SPECIFICATIONS FOR 1994 GMC K2500 Suburban AUTOMOBILES

BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1994 GMC K2500 Suburban cars and light trucks sold in the U.S. and Canada from 1970+.

Brake caliper mounting bolt torque
Brake drum runout, machining, & discard specs
Minimum brake lining thickness.
Brake rotor runout, parallelism, machining, discard, & finish specs

A/C SYSTEM SPECIFICATIONS: Air conditioning refrigerant capacity and type as well as lubricant capacity for most 1994 GMC K2500 Suburban cars and light trucks sold in the U.S. and Canada from 1980+.

Refrigerant capacity & type, compressor oil viscosity, total system oil capacity & compressor clutch gap

COOLING SYSTEM BLEED: Cooling system bleeder valve identification, bleeder type and bleed procedures for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1986+.

PREVENTIVE MAINTENANCE: Preventive maintenance recommendations and required services for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1980+. Includes severe and routine service schedules

QUICK-LUBE and ILLUSTRATIONS: Fluid recommendations, capacities, drain plug torques, tire data, and severe service recommended preventive maintenance schedules. Information covers most 1994 GMC K2500 Suburban cars and light trucks sold in the U.S. and Canada from 1980+. Engine and chassis service images.

Automatic transmission/transaxles capacities, lubricant recommendations
Differential/final drive capacities, lube recommendations, grades, & viscosities
Final drive fill & drain plug torques
Number of lubrication fittings & plugs
Power steering, brake, & clutch fluid recommendations
Manual transmission/transaxle capacities, lube recommendations, grades, & viscosities
Number of lubrication fittings & plugs
Power steering, brake, & clutch fluid recommendations
Engine oil capacities, API grade recommendations, SAE viscosity recommendations, drain plug torque
Severe service maintenance & interval recommendations
Tire sizes, wheel nut/bolt torque, pressures & rim sizes
Transfer case capacities, lube recommendations, grades, & viscosities

TUNE-UP & DRIVEABILITY SPECIFICATIONS: Most tune-up specifications for most 1994 GMC K2500 Suburban cars and light trucks sold in the U.S. and Canada from 1980+

Airflow sensor electrical specifications
Tensioning specifications for systems with automatic tensioners
Barometric pressure sensor specs
Battery group number and cranking performance
Crankshaft & camshaft position sensor resistance
Engine compression pressures
Coolant temperature sensor specs
Computer advance.
Diesel fuel temperature sensor resistance.
Distributor advance specifications
Ignition pickup coil resistance
Exhaust gas recirculation temperature sensor resistance
Engine fastener torque values
Firing order diagrams
Fuel system pressures
Generator (alternator) specs
Intake air temperature sensor specs
Ignition coil specifications
Fuel injector resistance
Engine idle speeds
Knock sensor resistance
Manifold absolute pressure sensor specs
Mixture control solenoid resistance
Voltage regulator specs
Spark plug applications & gaps
Starter motor electrical specs.
Tensioning specifications for systems without automatic tensioners
Throttle body temperature sensor resistance
Ignition timing in degrees at rpm
Transmission oil temperature sensor resistance
Throttle position sensor specs
Vacuum sensor valve specs

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