Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET1999SUBURBAN C2500, 6.5 FREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSCOMMON SPECS & PROCEDURESSPECIFICATIONS INDEX
1999 Chevrolet Suburban C2500, 6.5 F
Specifications Index
1999 Chevrolet Suburban C2500, 6.5 FSECTION Specifications Index
SUBURBAN, TAHOE, YUKON SPECIFICATIONS INDEX
| System | Specification/Procedure | ||
|---|---|---|---|
| Air Conditioning | |||
| Service | SPECIFICATIONS | ||
| Torque | TORQUE SPECIFICATIONS | ||
| Battery | CAPACITIES | ||
| Brakes | |||
| Bleeding Sequence | RR, LR, RF, LF | ||
| Disc Brakes | DISC BRAKE SPECIFICATIONS | ||
| Drum Brakes | DRUM BRAKE SPECIFICATIONS | ||
| Torque | TORQUE SPECIFICATIONS | ||
| Charging | |||
| Generator | See GENERATOR USAGE/AMP OUTPUT RATING table under DESCRIPTION | ||
| Torque | TORQUE SPECIFICATIONS | ||
| Drive Belts | |||
| Adjustment | BELT ADJUSTMENT | ||
| Belt Routing | SERPENTINE BELT ROUTING & ALIGNMENT -- TRUCKS | ||
| Engine Cooling | |||
| General Service Specifications | COOLING SYSTEM SPECIFICATIONS | ||
| Radiator Cap Pressure | 15 psi | ||
| Thermostat R & I | |||
| 5.0L, 5.7L, 7.4L | NA | ||
| 6.5L | THERMOSTAT | ||
| Water Pump R & I | |||
| 5.0L, 5.7L, 7.4L | WATER PUMP | ||
| 6.5L | WATER PUMP | ||
| Engine Mechanical | |||
| 5.0L, 5.7L, 7.4L | |||
| Compression | ENGINE COMPRESSION | ||
| Oil Pressure | OIL PRESSURE | ||
| Overhaul | ENGINE SPECIFICATIONS | ||
| Torque | TORQUE SPECIFICATIONS | ||
| 6.5L | |||
| Compression | ENGINE COMPRESSION | ||
| Oil pressure | Normal oil pressure is 6 psi (41 kPa) at idle and 30-43 psi (207-296 kPa) at 2000 RPM. | ||
| Overhaul | ENGINE SPECIFICATIONS | ||
| Torque | TORQUE SPECIFICATIONS | ||
| Fluid Specifications | See FLUIDS under MAINTENANCE tab. From within Manager or Service Writer, click the "30/60/90 Interval" or "Maint." button. | ||
| Flywheel/Flex Plate/Drive PlateTorque | |||
| 5.0L, 5.7L | 74 Ft. Lbs. (100 N.m) | ||
| 6.5L | 65 Ft. Lbs. (90 N.m) | ||
| 7.4L | 66 Ft. Lbs. (90 N.m) | ||
| Fuel System | |||
| Pressure Specification | |||
| 5.0L, 5.7L | 60-66 psi (4.2-4.6 kg/cm2 ) | ||
| 7.4L | 55-62 psi (4.0-4.4 kg/cm2 ) | ||
| Fuel Pressure Test Procedure | |||
| 5.0L, 5.7L & 7.4L | 4.3L, 5.0L, 5.7L & 7.4L | ||
| 6.5L | FUEL SYSTEM PRESSURE TEST | ||
| Fuel Filter Location and R & I | |||
| 5.0L, 5.7L | REMOVAL PROCEDURE (5.0L AND 5.7L) | ||
| 6.5L | FUEL MANAGER/FILTER ELEMENT | ||
| 7.4L | REMOVAL PROCEDURE (7.4L) | ||
| Ignition | |||
| Firing Order & Cylinder Identification | See FIRING ORDER & CYLINDER IDENTIFICATION | ||
| Ignition Wires (Resistance) | 30,000 Ohms Maximum | ||
| Ignition Wires (Routing) | |||
| 5.0L, 5.7L, 7.4L | See appropriate figure under FIRING ORDER | ||
| 6.5L | NA | ||
| Spark Plug | |||
| 5.0L, 5.7L | |||
| Type | AC 41-932 | ||
| Gap | .060 In. (1.52 mm) | ||
| Torque | 11Ft. Lbs. (15 N.m) Tighten spark plugs to 22 ft. lbs. (30 N.m) when using NEW iron cylinder head. Tighten spark plugs to 15 ft. lbs. (20 N.m) when using NEW aluminum cylinder head. |
||
| 7.4L | |||
| Type | AC 41-932 | ||
| Gap | .060 In. (1.52 mm) | ||
| Torque | 15 Ft. Lbs. (20 N.m) Tighten spark plugs to 22 ft. lbs. (30 N.m) when using NEW iron cylinder head. Tighten spark plugs to 15 ft. lbs. (20 N.m) when using NEW aluminum cylinder head. |
||
| Starting | |||
| Starter | ON-VEHICLE TESTING | ||
| Torque | TORQUE SPECIFICATIONS | ||
| Wheel Alignment | |||
| Adjustment Specifications | WHEEL ALIGNMENT SPECIFICATIONS | ||
| Torque | TORQUE SPECIFICATIONS | ||
| Wheel & Tire | |||
| Wheel Lug Nut Torque | 125 Ft. Lbs. (170 N.m) With Single & Dual Rear Wheels |
||
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.