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1996 chevy truck k1500 heater diagram

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1998 Chevy Truck S10/ T10 Blazer 2WD Evaporator Core Service and Repair Manual

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Manual A/C REMOVAL PROCEDURE CAUTION: Refer to Battery Disconnect Caution in Service Precautions. 1. Disconnect the negative battery cable. 2. Remove the right side instrument panel sound insulator. 3. Remove the instrument panel storage compartment. 4. Disconnect the passenger side SIR. 5. Remove the lower right instrument panel mounting bolt. 6. Remove the left and right front speaker grilles. 7. Remove the center instrument panel sound insulator. 8. Remove the left side instrument panel sound insulator. 9. Disconnect the park brake release cable. 10. Remove the knee bolster. 11. Remove the lower left instrument panel mounting bolt. 12. Remove the BCM. 13. Disconnect the driver side SIR. 14. Remove the instrument panel cluster. 15. Remove the radio. 16. Remove the HVAC control assembly. 17. Remove the steering column retaining retaining nuts. 18. Lower the steering column. 19. Remove the instrument panel carrier. 20. Remove the left and right cowl vent grille panels. 21. Disconnect the underhood lamp electrical connector, if equipped. 22. Remove the hood. 23. Remove the VCM. 24. Remove the coolant recovery tank. 25. Remove the heater hoses. 26. Disconnect the electrical connectors from the grille mounted lamps. 27. Remove the right front headlamp assembly. 28. Remove the front bumper. 29. Remove the right wheelhouse panel. 30. Disconnect the radio antenna cable. 31. Disconnect the electrical connector for the horn. 32. Remove the right fender. 33. Remove the evaporator case heat shield, if equipped. 34. Remove the blower motor resistor. 35. Remove the evaporator case bolts and screws. 36. Remove the accumulator. 37. Remove the condenser to the evaporator line fitting. 38. Remove the bolts which retain the evaporator case to the bulkhead. 39. Pull back lightly on the heater case to remove the evaporator case. 40. Remove the evaporator case retaining screws. 41. Disassemble the evaporator case sections, and remove the evaporator core. NOTE: If replacing the evaporator core, remove the expansion (orofice) tube and install it into the new core. INSTALLATION PROCEDURE 1. Install the evaporator core. 2. Assemble the evaporator case sections. 3. Install the evaporator case retaining screws. Tighten to 2.5 N.m (24 in lb) . 4. Install the evaporator core assembly to the vehicle. 5. Install the bolts which retain the evaporator case to the bulkhead. Tighten the bolts to 4.5 N.m (40 lb in) . 6. Install the condenser to the evaporator line fitting. 7. Install the accumulator. 1998 Chevy Truck S10/T10 Blazer 2WD 8. Install the evaporator case bolts and screws. Tighten to 2.5 N.m (24 In in) . 9. Install the blower motor resistor. 10. Install the evaporator case heat shield, if equipped. 11. Install the right fender. 12. Connect the electrical connector for the horn. 13. Install the radio antenna cable. 14. Install the right wheelhouse panel. 15. Install the front bumper. 16. Install the right front headlamp assembly. 17. Connect the electrical connectors to the grille mounted lamps. 18. Install the heater hoses. 19. Install the coolant recovery tank. 20. Install the VCM. 21. Install the hood. 22. Connect the underhood lamp electrical connector, if equipped. 23. Install the left and right cowl vent grille panels. 24. Install the instrument panel carrier. 25. Reposition the the steering column, and install the steering column retaining nuts. 26. Install the HVAC control assembly. 27. Install the radio. 28. Install the instrument panel cluster. 29. Connect the driver side SIR. 30. Install the BCM. 31. Install the lower left instrument panel mounting bolt. 32. Install the knee bolster. 33. Connect the park brake release cable. 34. Install the left side instrument panel sound insulator. 35. Install the center instrument panel sound insulator. 36. Install the left and right front speaker grilles. 37. Install the lower right instrument panel mounting bolt. 38. Connect the passenger side SIR. 39. Install the instrument panel storage compartment. 40. Install the right side instrument panel sound insulator. 41. Connect the negative battery cable. 42. Inspect the system for leaks.

1994 Chevy Truck C 1500 Truck 2WD Tune-up and Engine Performance Checks/ Ignition-Timing Connector Location Change Manual

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SUBJECT: TIMING CONNECTOR LOCATION CHANGE MODELS: 1994 CHEVROLET AND GMC C/K TRUCKS WITH GASOLINE ENGINES The timing connector, which can be disconnected to return engine timing to base for adjustment purposes, has been moved from the engine compartment to inside the cab. This new location is not currently reflected in the Service or Owner’s Manual. The new location is under the dash directly below the glove compartment. The tan/black wire is routed for a short distance outside of a large wiring harness. This large harness is routed between the heater blower motor and evaporator case. The timing connector is taped to the wire bundle (Figure 1)

1996-2000 Chevrolet And GMC Suburban/ Pick-Up 2500/ 3500 Series TUBULAR EXHAUST SYSTEM INSTALLATION INSTRUCTION

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Disassembly – Left Side 1. Disconnect negative cable from battery. 2. Use penetrating oil on all nuts and bolts to be removed. This will prevent the possibility of broken or stripped nuts and bolts. 3. Remove air cleaner system (note position of line and hose connections). 4. Disconnect spark plug wires. 5. Disconnect temperature sensor wire. 6. Remove EGR fitting. 7. Remove bolts and exhaust manifold. Disassembly – Right Side 1. Remove air cleaner box. 2. Disconnect spark plug wires. 3. Remove dipstick and dipstick tube. 4. Remove bolts and exhaust manifold. 5. Clean exhaust flange surfaces on both cylinder heads at this time. DISASSEMBLY – CROSSOVER PIPE 1. Raise vehicle and support with jackstands. 2. Disconnect and remove 02 sensors (2), being careful not to rupture or destroy the unit. WARNING: Do not clean this unit in any cleaning solvent and do not damage wire. 3. Between left and right side of the catalytic converter is a 3-bolt flange with gasket. From the front face of flange, measure out 15″ towards front of truck and cut stock exhaust pipes. Remove exhaust pipes from vehicle. NOTE: Before cutting pipes, measure the height of the converter from the bottom of the floor board for when you install new exhaust pipes you can maintain same distance. •ASSEMBLY – LEFT SIDE 1. Install T.E.S. flange gasket and one 3/8″-16 x 1″ bolt, lock washer, and thick flat washer at rearmost bolt hole (leave bolt loose enough to accept T.E.S.). 2. Install left side T.E.S. manifold from bottom side 3. Install all bolts and washers and tighten. Use thick flat washers on slotted holes. 4. Reinstall spark plugs. 5. Replace original equipment spark plug ends on cylinders #3 and #5 with 60° connectors and boots provided in kit. 6. Re-connect spark plug wires on left side. 7. Re-install temperature sensor wire to temperature sensor. ASSEMBLY – RIGHT SIDE 1. Install T.E.S. flange gasket and one 3/8″-16 x 1″ bolt, lock washer and thick flat washers at rearmost bolt hole (leave bolt loose enough to accept T.E.S.). 2. Install right side T.E.S. manifold from top side. Now install dipstick tube. 3. Install remaining bolts and lock washers. 4. Align all parts and tighten all right side bolts at this time. 5. Replace original equipment spark plug ends on cylinders #4, #6 and #8 with 60° connectors and boots provided in kit. 6. Re-connect right side spark plug wires. 7. To prevent contact with the hot T.E.S. tubing, use nylon tie wrap (supplied) to secure the heater hose to the a.c. dryer. 8. Re-install air cleaner box. CROSSOVER PIPE ASSEMBLY 1. With catalytic converters in their natural position, install and bolt exhaust extension pipes to header collectors using 3/8″ – 16″ x 2 1/2″ hex bolts, 3/8″ flat washers, 3/8″ lock washers and 3/8 hex nuts. Use the 3″ donut provided in kit. 2. Check alignment of pipes to the catalytic converter, secure bolts. 3. With everything in place, tack weld exhaust pipes to catalytic assembly. 4. Unbolt whole exhaust assembly from vehicle and let it hang. Complete weld around pipes. 5. Bolt assembly back in vehicle and check for clearance. 6. Re-install 02 sensors. Use anti-seize on threads of sensor. Route wires clear of exhaust system. 7. Lower vehicle to ground

2004 Chevrolet Chevy K Silverado – 4WD Evaporative Emission (EVAP) Canister Vent Solenoid Valve Replacement Pickup

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Evaporative Emission (EVAP) Canister Vent Solenoid Valve Replacement Pickup Removal Procedure Important Clean the evaporative emission (EVAP) connections and surrounding areas prior to disconnecting the fittings in order to avoid possible system contamination. 1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information. 2. Remove the harness clip from the canister vent solenoid (CVS) line. 3. Disconnect the CVS electrical connector. 2004 Chevrolet Chevy K Silverado – 4WD 4. If the vehicle is equipped with a 6 ft box, disconnect the EVAP CVS line from the canister. 5. Remove the CVS clip from the frame crossmember. 6. Push in the retainer and remove the CVS from the fuel tank clip. 7. If the vehicle is equipped with a 8 ft box, disconnect the EVAP CVS line from the canister. 8. Remove the CVS clip from the frame crossmember. 9. Push in the retainer and remove the CVS from the fuel tank clip. Installation Procedure 1. If the vehicle is equipped with a 8 ft box, install the CVS to the fuel tank until the clip engages. Important On vehicles equipped with a 8 ft box, the CVS line is routed below the frame crossmember. 2. Install the CVS clip to the frame crossmember. 3. Connect the EVAP CVS line to the canister. 4. If the vehicle is equipped with a 6 ft box, install the CVS to the fuel tank until the clip engages. Important On vehicles equipped with a 6 ft box, the CVS line is routed above the frame crossmember. 5. Install the CVS clip to the frame crossmember. 6. Connect the EVAP CVS line to the canister. 7. Connect the CVS electrical connector. 8. Install the harness clip to the canister vent solenoid (CVS) line. 9. Lower the vehicle.

1986 Ford Truck F 150 2WD Pickup Emission Maintenance Warning Module-Service Manual

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EMISSION MAINTENANCE WARNING MODULE SERVICE INFORMATION ^LAMP – “EMISSIONS/CHECK ENGINE” – EMISSION MAINTENANCE WARNING MODULE – SERVICE INFORMATION LIGHT TRUCK: 1985-89 BRONCO 1985-87 BRONCO II 1985-89 ECONOLINE, F- 150, F-250, F-350 1985-88 RANGER 1986-87 AEROSTAR ISSUE: The Emission Maintenance Warning “EMW” module operates a light that is located on the instrument panel. For 1985-87 model year vehicles, the light will display the word “EMISSIONS”. For 1988-89 model year vehicles, the light will display the words “CHECK ENGINE”. When the light is lit, it is indicating that the 60,000 mile emission maintenance should be performed. After the maintenance is performed the EMW module must be reset to zero time. Another type of module is the “IMS” module. This module is not part of the light circuit and does not require maintenance. At a predetermined time, the IMS module directs the EEC IV processor to make a strategy change. A third type of module is the “COMBO” module. This module combines the functions of the IMS and the EMW modules. ACTION: Refer to the following module application charts for the specific vehicle application and location of the different types of modules. NOTE: FOR APPLICATIONS NOT LOSTED IN THE FOLLOWING MODULE APPLICATION CHARTS, THE “CHECK ENGINE” LIGHT IS CONTROLLED BY THE EEC IV PROCESSOR. THESE VEHICLES DO NOT USE THE “EMW” MODULE