Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2004 Sonoma 4WD.
The 2004 GMC Truck Sonoma 4WD takes 5 qt of 5W-30 engine oil.
Quick specs
Fluid capacities, tune-up values and fuel economy at a glance.
Engine oil capacity5 qtOEM · verified
Engine oil type5W-30 APIOEM · verified
Fitment & sizes
Replacement part sizes and factory part numbers — battery, bulbs, filters and belts.
From the factory this vehicle uses a BCI 75 · 525 CCA battery, OE oil filter 19210286. Each part links to every other vehicle that shares it, so a part you already stock may fit more of your fleet than you'd expect.
Battery groupBCI 75 · 525 CCAOEM · verified
Tire sizeP265-75R15OEM · verified
Wheel / rim7.0 inOEM · verified
OE service part numbers OEM · verified
Engine oil filter
19210286
Engine air filter
19259086 alt 25170512
Fuel filter
25168594
Spark plug
19238463 alt 12681665
Front wiper blades
15757007 alt 15757008
Serpentine belt
12576453
Thermostat
12632948 alt 12551507
Service quick specs OEM factory data
Capacities, torques and tune-up values from the factory service manual.
This engine holds 5 qt of 5W-30 API engine oil, 80W-90 · GL-5 in the differential, DOT 3 brake fluid. Torque the oil drain plug to 18.0 ft-lbs. The firing order is 1-6-5-4-3-2. Note the cylinder-head bolts finish on a torque angle (torque-to-yield) — they stretch permanently and should be replaced, not reused, during any head service.
Lubricants & capacities
Automatic Transmission Fluid
ATF
Automatic Transmission Fluid Capacity
7.4
Brake Fluid
DOT 3
Differential Gear Oil
80W-90 · GL-5
Differential Gear Oil Capacity
3.6 qt
Engine Oil
5W-30 · API
Engine Oil Capacity
5 qt
Engine torques
Cylinder Head Steps
Apply sealant GM P/N 12346004
Engine Oil Pan Drain Plug
18.0 ft-lbs
Engine Valve Cover Bolts
8.85 ft-lbs
Chassis torques
Leaf Spring to Axle (U-bolts)
89.0 ft-lbs
Leaf Spring to Chassis Bracket
89.0 ft-lbs
Leaf Spring to Rear Shackle
89.0 ft-lbs
Leaf Spring Rear Shackle to Chassis Bracket
89.0 ft-lbs
Front Wheel Hub
103 ft-lbs
Ignition
Cylinder Firing Order
1-6-5-4-3-2
Cylinder Firing Order
1-6-5-4-3-2
Spark Plug Manufacturer
AC Delco
Spark Plug Gap
0.060 in
Spark Plug Torque
11 ft-lbs
Battery & A/C
Refrigerant
R134a
Refrigerant Capacity
1.75 lbs
Oil Group
PAG
Oil Type
46
Oil Capacity
8.00 oz
Refrigerant
R134a
Refrigerant Capacity
1.75-2.00 lbs
Oil Group
PAG
Service checks
Fuel Pump Pressure Minimum
62.0 psi
Key ON Engine OFF (KOEO)
55-62
RPM
45-59 @ Idle rpm
Engine Compression
100 Minimum psi
Engine Compression
215 Nominal psi
Engine Compression
100 Minimum psi
Engine Oil Pressure
6
Intake Valve Lash
Hydraulic in
Brakes
Brake Application
WITH FOUR WHEEL DISC / WITH STANDARD
Torque to Knuckle
77 ft-lbs / 52 ft-lbs / 38 ft-lbs
Minimum Pad Thickness
Front: 0.030; Rear: 0.030 specification
Brake Application
WITH FOUR WHEEL DISC / WITH STANDARD
Rotor Max Parallel Variation
0.001 in
Rotor Runout Limit
0.002 in
Rotor Nominal Thickness From
1.14 in / 0.787 in / 1.03 in
Rotor Nominal Thickness To
1.14 in / 0.787 in / 1.03 in
Multi-step torque procedures OEM · verified
Cylinder Head — tightening sequence 4 stages
1
all bolts
22 ft. lbs
2
long bolts
75 degrees
3
medium bolts
65 degrees
4
55
Exhaust Manifold to Cylinder Head Bolts — tightening sequence 1 stages
1
22.0
Factory maintenance schedule OEM · verified
Normal service, condensed from the factory interval matrix.
Under the factory schedule, replace the engine oil and filter every 7,500 mi; spark plugs every 100,000 mi; coolant at 150,000 mi. The big-interval services (at 150,000 mi for coolant, and the transmission fluid) are the ones owners most often skip — on a lower-mileage example, assume the original fluids are still in it and check them first.