Blower Assembly Replacement - GMC G Service Manual

3. Resistor
13. Accumulator
18. Blower Motor And Fan Assembly
105. Relay
. Screw
12 0
. Grommet
1 2 1
. Case
1 2 2
123. Grommet
124. Core
125. Clamp
126. Screw
127. Rivet
128. Bracket
129. Plate
130. Orifice
131. O-Ring
133. Cooling Tube
134. Wire
135. Switch Assembly
136. Case
137. Seal
139. Clamp
140. Switch
] Important
• Add 59.1 ml (two ounces) of clean refrigerant
oil, PLUS an amount equal to that drained.
2. Bracket screws.
3. Inlet and outlet lines.
4. Compressor clutch connector.
5. Battery ground cable.
• Evacuate, charge and check the system.
BLOWER ASSEMBLY
REPLACEMENT
M Remove or Disconnect (Figures 37, 39
1. Battery ground cable.
2. Insulator (Diesel Engine) (figure 40).
3. Blower motor lead and ground wires (134).
4. Blower motor cooling tube (133).
1
105
\
126^" "
Figure 39 — Evaporator and Blower Assembly
AIR CONDITIONING IB -37
5. Case attaching screws.
. Blower assembly.
6
• Carefully pry the blower flange away from the
case if the sealer acts as an adhesive.
7. Shaft nut.
. Blower wheel from motor shaft.
8
• Remove shaft nut.
H install or Connect (Figures 37, 39 and 40)
1. Blower wheel to the motor shaft.
2. Shaft nut
3. Blower assembly.
• Use a new bead of permagum sealer on the
flange.
4. Blower motor cooling tube (133).
5. Blower motor lead and ground wires (134).
. Insulator (Diesel Engines) (figure 40).
6
7. Battery ground cable.
L00211