Common Specs & Procedures Index
SUBURBAN, TAHOE COMMON SPECS & PROCEDURES
| System | Specification/Procedure | ||
|---|---|---|---|
| Air Conditioning | |||
| Service | APPROXIMATE FLUID CAPACITIES | ||
| Torque | FASTENER SPECIFICATIONS | ||
| Axle Nut/Hub Nut | |||
| Front | First Pass: 180 N.m (133 lb ft) Second Pass: Loosen 45 degrees Final Pass: 270 N.m (199 lb ft) |
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| Rear | First Pass: 150 N.m (111 lb ft) Second Pass: Loosen 45 degrees Final Pass: 290 N.m (214 lb ft) |
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| Battery | 12 V BATTERY USAGE | ||
| Brakes | |||
| RR/LR/RF/LF | HYDRAULIC BRAKE SYSTEM BLEEDING (J61) or HYDRAULIC BRAKE SYSTEM BLEEDING (J49, J55) | ||
| Disc Brakes | |||
| Service Specifications | DISC BRAKE COMPONENT SPECIFICATIONS | ||
| Torque | FASTENER SPECIFICATIONS | ||
| Charging | |||
| Generator | N/A | ||
| Torque | FASTENER SPECIFICATIONS | ||
| Drive Belts | |||
| Adjustment | Self-Adjusting | ||
| Drive Belt Routing | See illustration under INSTALLATION PROCEDURE
for 3.0L See illustration under INSTALLATION PROCEDURE for 5.3L/6.2L |
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| Engine Cooling | |||
| General Service Specifications | APPROXIMATE FLUID CAPACITIES
for 3.0L APPROXIMATE FLUID CAPACITIES for 5.3L/6.2L |
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| Radiator Cap Pressure | pressure rating on the radiator surge tank cap RADIATOR SURGE TANK CAP TESTING | ||
| Thermostat R & I | |||
| 3.0L | WATER PUMP INLET REPLACEMENT (LM2) | ||
| 5.3L/6.2L | LinkWATER PUMP INLET REPLACEMENT (L84, L87) | ||
| Water Pump R & I | |||
| 3.0L | WATER PUMP REPLACEMENT (LM2) | ||
| 5.3L/6.2L | WATER PUMP REPLACEMENT (L84, L87) | ||
| Engine Mechanical | |||
| 3.0L | |||
| Compression | ENGINE COMPRESSION TEST | ||
| Oil Pressure | Oil Pressure @ 1000 rpm 19 - 126°C (66 - 259°F) 152 - 218 kPa 22 - 32 psi Oil Pressure @ 2500 rpm 19 - 126°C (66 - 259°F) 177 - 280 kPa 26 - 41 psi Oil Pressure @ 4000 rpm 19 - 126°C (66 - 259°F) 320 - 400 kPa 46 - 58 psi |
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| Overhaul | ENGINE MECHANICAL SPECIFICATIONS | ||
| Torque | FASTENER SPECIFICATIONS | ||
| 5.3L/6.2L | |||
| Compression | ENGINE COMPRESSION TEST | ||
| Oil pressure - Minimum - Hot | 5.3L 152 kPa at 1, 000 engine RPM (22 psig at 1, 000 engine RPM) 207 kPa at 2, 000 engine RPM (30 psig at 2, 000 engine RPM) 228 kPa at 3, 000 engine RPM (33 psig at 3, 000 engine RPM) 6.2L 152 kPa at 1, 000 engine RPM (22 psig at 1, 000 engine RPM) 207 kPa at 2, 000 engine RPM (30 psig at 2, 000 engine RPM) 228 kPa at 3, 000 engine RPM (33 psig at 3, 000 engine RPM) |
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| Overhaul | ENGINE MECHANICAL SPECIFICATIONS (5.3L) , or ENGINE MECHANICAL SPECIFICATIONS (6.2L) | ||
| Torque | FASTENER SPECIFICATIONS | ||
| Fluid Specifications | See FLUIDS under MAINTENANCE/FLUIDS tab. From within Manager or Service Writer, click the "30/60/90 Interval" or "Maint." button. | ||
| Flywheel/Flex Plate/Drive Plate Torque | 3.0L First Pass: 35 N.m (26 lb ft) Final Pass: 70 degrees 5.3L/6.2L First Pass: 30 N.m (22 lb ft) Final Pass: 45 degrees |
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| Fuel System | |||
| Pressure Specification | 3.0L 370 to 450 kPa (54 to 65 PSI) 5.3L/6.2L 320 to 670 kPa (46 to 97 PSI) |
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| Fuel Pressure Test Procedure | 3.0L CIRCUIT/SYSTEM VERIFICATION 5.3L/6.2L CIRCUIT/SYSTEM VERIFICATION |
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| Fuel Filter Location | 3.0L The fuel filter assembly is located near the left frame rail 5.3L/6.2L Fuel Strainer Is Located In Fuel Tank Fuel Pump Module |
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| Fuel Filter R & I | 3.0L FUEL FILTER REPLACEMENT (LONG WHEELBASE) FUEL FILTER REPLACEMENT (SHORT WHEELBASE) 5.3L/6.2L FUEL TANK FUEL PUMP MODULE REPLACEMENT (SHORT WHEELBASE) or FUEL TANK FUEL PUMP MODULE REPLACEMENT (LONG WHEELBASE) |
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| Ignition | |||
| Firing Order & Cylinder Identification | FIRING ORDER & CYLINDER IDENTIFICATION | ||
| Ignition Wires (Resistance) | 5.3L/6.2L 170 to 220 Ohms per 25.4 mm (1.0 in) {12633447} 332 to 460 Ohms per 25.4 mm (1.0 in) |
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| Ignition Wires (Routing) | |||
| 5.3L/6.2L | Wires are routed directly downward to appropriate spark plug below | ||
| Spark Plug | |||
| Gap | 5.3L/6.2L 0.95-1.10 mm (0.037-0.043 in) |
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| Torque | 5.3L/6.2L 20 N.m (15 lb ft) |
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| Starting | |||
| Starter | N/A | ||
| Torque | 58 N.m(43 lb ft) | ||
| Wheel Alignment | |||
| Adjustment Specifications | WHEEL ALIGNMENT SPECIFICATIONS | ||
| Torque | FASTENER SPECIFICATIONSLink | ||
| Wheel & Tire | |||
| Wheel Lug Nut Torque | 190 N.m (140 lb ft) Evenly Tighten The 6 Wheel Nuts In A Crisscross Pattern |
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