Hvac - GMC Chevrolet Camaro 1998 Service Manual

HVAC
Table of Contents 1-1
)
Section 1
HVAC
HVAC System - Manual ..................................
1-3 Compressor Clutch Coil Removal
Specifications .................................. , ............... 1-3
(V5 - Conventional Mount) ........................ 1-50
Fastener Tightening Specifications ................. 1-3
System Capacities ......................................... 1-3
Refrigerant Oil Distribution Specifications ....... 1-4
Schematic and Routing Diagrams .................. 1-4
HV AC Schematic References ......................... 1-4
HVAC Schematic Icons .................................. 1-4
HV AC Blower Control Schematics .................. 1-5
HV AC Compressor Control Schematics .......... 1-6
Component Locator ........................................ 1-8
HV AC Components ........................................ 1-8
HV AC Component Views ............................. 1-1 O
HV AC Connector End Views ........................ 1-14
Diagnostic Information and Procedures ....... 1-14
Functional Checl< ......................................... 1-14
HV AC Blower Controls System Check ......... 1-16
Blower Motor Inoperative at Any Speed ....... 1-17
Compressor Clutch Coil Removal
(V7 - Direct Mount) .................................. 1-52
Compressor Control Valve Assembly
Removal (V5 - Conventional Mount) ......... 1-53
Compressor Control Valve Assembly
Removal (V7 - Direct Mount) .................... 1-53
Compressor Shaft Seal Removal
(V5 - Conventional Mount) ........................ 1-54
Compressor Shaft Seal Removal
(V7 - Direct Mount) .................................. 1-56
Compressor Pressure Relief Valve
Removal (V5 - Conventional Mount) ......... 1-57
Compressor Pressure Relief Valve
Removal (V7 - Direct Mount) .................... 1-57
Compressor Control Switches
Removal (V5 - Conventional Mount) ......... 1-58
Compressor Control Valve Assembly
Blower Motor Low Speed Inoperative ........... 1-18
Install (V5 - Conventional Mount) .............. 1-58
Blower Motor Operates
Compressor Control Valve Assembly
at High Speed Only .................................. 1-19
Install (V7 - Direct Mount) ., ...................... 1-58
Blower Motor Inoperative in One Speed
Only (High Speed Operates Normally) ...... 1-19
Compressor Clutch Plate/Hub Assembly
Install (V5 - Conventional Mount) .............. 1-59
Blower Motor High Speed Inoperative .......... 1-20
Compressor Clutch Plate/Hub Assembly
Blower Motor Always On ............................. 1-20 Install (V7 - Direct Mount) ........................ 1-60
System Performance Test ............................ 1-21
Refrigerant System Checks .......................... 1-23
Leak Testing ................................................ 1-23
VDOT A/C System Diagnosis ....................... 1-25
Heating Insufficient ....................................... 1-30
Heat Excessive ............................................ 1-33
Cooling Insufficient - A/C Inoperative ............ 1-33
Air Delivery Improper ................................... 1-34
Noise Diagnosis ........................................... 1-36
Temperature Control Inoperative .................. 1-37
Odor Diagnosis ............................................ 1-38
Repair Instructions ........................................ 1-38
Odor Correction ........................................... 1-38
Refrigerant Recovery and Recharging .......... 1-39
Clutch Rotor and/or Bearing Install
(V5 - Conventional Mount) ........................ 1-61
Clutch Rotor and/or Bearing Install
(V7 - Direct Mount) .................................. 1-64
Compressor Clutch Coil Install
(V5 - Conventional Mount) ........................ 1-65
Compressor Clutch Coil Install
(V7 - Direct Mount) .................................. 1-67
Compressor Shaft Seal Install
(V5 - Conventional Mount) ........................ 1-67
Compressor Shaft Seal Install
(V7 - Direct Mount) .................................. 1-69
Compressor Pressure Relief Valve
Install (V5 - Conventional Mount) .............. 1-71
Compressor Pressure Relief Valve
Compressor Replacement (3.8L) .................. 1-40
Install (V7 - Direct Mount) ........................ 1-71
Compressor Replacement (5.7L) .................. 1-43
Compressor Control Switches Install
Compressor Clutch Plate and Hub Assembly
(V5 - Conventional Mount) ........................ 1-71
Removal (V5 - Conventional Mount) ........... 1-46
Compressor Leak Testing
Compressor Clutch Plate and Hub Assembly
(V5 - Conventional Mount) ........................ 1-72
Removal (V7 - Direct Mount) ...................... 1-47 0-Ring Replacement .................................... 1-72
Clutch Rotor and/or Bearing Removal Compressor Mounting Bracket
(V5 - Conventional Mount) ........................ 1-48 Replacement (3.8L) .................................. 1-73
Clutch Rotor and/or Bearing Removal
Compressor Mounting Bracket
(V7 - Direct Mount) .................................. 1-49 Replacement (5. 7L ) ................................. 1-76