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AMEDEE
AMEDEE, CHEVY TECHNICIAN
Category: Chevy
Satisfied Customers: 26414
Experience:  ASE certified tech ADVANCED LEVEL SPECIALIST. Wisconsin certified emissions state inspector
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HOW TO CHANGE A HEATER CORE ON 1995 S10 PICKUP 6CYL 4.3 MOTOR

Resolved Question:

HOW TO CHANGE A HEATER CORE ON 1995 S10 PICKUP 6CYL 4.3 MOTOR
Submitted: 8 years ago.
Category: Chevy
Expert:  AMEDEE replied 8 years ago.
HEATER CORE REPLACEMENT

Remove Or Disconnect


Engine coolant.
Heater hoses.
Refer to "Heater Hose".

Rear case screws. (88)
Rear case. (96)
Screws. (94)
Straps. (93)
Heater core. (92)
Seals. (89 & 90)
Install Or Connect


Seals. (89 & 90)
Heater core. (92)
Straps. (93)
Screws. (94)
Rear case. (96)
Rear case screws. (88)
Instrument panel.
Heater hoses.
Engine coolant.
Check the system for leaks.

graphic
AMEDEE and other Chevy Specialists are ready to help you
Expert:  AMEDEE replied 8 years ago.
Here is the procedure of removal and replacement of the instrument panel/dash

INSTRUMENT PANEL REPLACEMENT

Remove Or Disconnect


Negative battery cable.
Disable Supplemental Inflatable Restraint (SIR) system.
Two screws from Instrument Cluster trim plate.
Cluster Trim Plate from Instrument Panel (I/P) .
Electrical connectors as necessary.
Tilt steering column down (if equipped).
Set parking brake, block wheels, and place automatic transmission in low (if equipped).
Fig 42, Left hand Instrument Panel Sound Insulator







Left I/P sound insulator.
Diagnostic Link Connector (DLC).
Remote Keyless Entry (RKE) /delay module.
Fig 43, Center Instrument Panel Sound Insulator







Center I/P sound insulator.
Knee bolster.
Park brake release cable by squeezing retainers.
Disconnect cable slug from park brake mechanism.
Fig 44, Righthand Instrument Panel Sound Insulator







Right I/P sound insulator.
Lighter and accessory power outlets (if equipped).
Courtesy lamp.
Knee bolster from the vehicle.
Heating, Ventilation, Air Conditioning (HVAC) control assembly.
Four radio screws.
Radio and storage compartment assembly.
Reach behind radio, disconnect antenna and three electrical connectors.
Four steering column screws with 15 mm wrench.
Four lower I/P support screws across bottom of I/P.
Fig 45, Instrument Panel Pivot Bolts







Left and right I/P pivot bolts.
Fig 46, Instrument Panel Lower Support To Brake Pedal Bracket Bolt







I/P lower support to brake pedal bracket.
Fig 47, Instrument Panel Lower Support







I/P lower support bolts.
Fig 48, Instrument Panel Upper Support







I/P upper support bolts.
Both speaker grills.
Windshield defrost grill with flat bladed tool starting at one end and working down the grill.
Electrical connectors, as necessary.
I/P from vehicle. Install Or Connect
I/P to the vehicle.
Fig 45, Instrument Panel Pivot Bolts







Rest I/P onto lower pivot studs.
Electrical connectors, as necessary.
Fig 48, Instrument Panel Upper Support







Four upper I/P support screws.
Right, center, and left lower I/P support screws.
Align I/P for lower screws. Tighten Upper and lower support screws to 7.5 Nm (66 lb. in.).
Steering column nuts. Tighten Steering column nuts to 30 Nm (22 lb. ft.).
Speaker grilles and screws. Tighten Speaker grille screws to 1.9 Nm (17 lb.in.).
Radio.
Electrical connectors.
Antenna lead-in.
HVAC control assembly.
Electrical connectors.
Vacuum connectors.
Four 7mm screws. Tighten Control assembly screws to 1.9 Nm (17 lb. in.).
I/P cluster trim.
Align cluster trim with Knee bolster.
Knee bolster.
Lap cooler duct.
Courtesy lamp.
Lighter and accessory outlets (if equipped).
Park brake cable.
Screws. Tighten Knee bolster screws to 9 Nm (79 lb. in.).
Center I/P sound insulator.
Left I/P sound insulator.
DLC connector.
RKE/delay module.
Nut to accelerator pedal stud. Tighten Nut to 4 Nm (35 lb. in.).
Right I/P sound insulator.
Powertrain Control Module (PCM) (if equipped).
Enable SIR system.
Negative battery cable.