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2000 GMC Truck Sonoma 4WD

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2000 Sonoma 4WD.

The 2000 GMC Truck Sonoma 4WD is defined by its four-wheel-drive configuration and an engine requiring 4.5 quarts of 5W-30 API oil for proper maintenance. Over its service life, this specific model has generated 141 owner complaints predominantly focused on the vehicle's structure, alongside four official recalls. When positioned within the broader 1990-2001 model history, the 2000 Sonoma represents a moderate reliability tier, meaning it falls well beneath the problematic 1994 peak of 306 complaints but registers significantly more issues than the single complaint logged against the 1990 model.

Model year2003 2000 1996

Quick specs

Fluid capacities, tune-up values and fuel economy at a glance.

Engine oil capacity4.5 qtOEM · verified

Engine oil type5W-30 APIOEM · verified

Lug nut torque100 ft-lbsOEM · 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 12731175. 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 sizeP215-65R15OEM · verified

Wheel / rim6-JJ inOEM · verified

OE service part numbers OEM · verified

Engine oil filter	12731175 alt 19210286
Engine air filter	25170512 alt 19259086
Fuel filter	25168594 alt 15077584
Spark plug	12681665 alt 19301812
Front wiper blades	15757007 alt 15757008
Thermostat	12632948 alt 24577299

Service quick specs OEM factory data

Capacities, torques and tune-up values from the factory service manual.

This engine holds 4.5 qt of 5W-30 API engine oil, 80W-90 · GL-5 in the differential, DOT 3 brake fluid. Torque lug nuts to 100 ft-lbs, the oil drain plug to 19.0 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

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	4.5 qt
Engine Oil	5W-30 · API
Engine Oil Capacity	5 qt

Engine torques

Crankshaft Pulley and/or Damper Bolts	77 ft-lbs
Crankshaft Pulley and/or Damper Bolts	74 ft-lbs
Cylinder Head Steps	Apply sealant GM P/N 12346004
Intake Manifold to Engine Bolts	17 ft-lbs
Exhaust Manifold to Cylinder Head Bolts	10 ft-lbs
Intake Manifold to Engine Bolts	17.0 ft-lbs
Exhaust Manifold to Cylinder Head Bolts	10.0 ft-lbs
Engine Oil Pan Drain Plug	19.0 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
Lug Nuts	100 ft-lbs
Front Wheel Hub	103 ft-lbs

Ignition

Cylinder Firing Order	1-6-5-4-3-2
Cylinder Firing Order	1-3-4-2
Cylinder Firing Order	1-6-5-4-3-2
Spark Plug Manufacturer	AC Delco
Spark Plug Torque	14 ft-lbs
Spark Plug Manufacturer	AC Delco
Spark Plug Gap	0.045 in
Spark Plug Torque	15 ft-lbs

Battery & A/C

Refrigerant	R134a
Refrigerant Capacity	1.75 lbs
Oil Group	PAG
Oil Type	150
Oil Capacity	2.2 L
Refrigerant	R134a
Refrigerant Capacity	1.75-2.00 lbs
Oil Group	PAG

Service checks

Pressure Test	20 psi
Radiator Cap Pressure Relief	15 psi
Thermostat Opening Temperature	188-206 °F
Pressure Test	20 psi
Radiator Cap Pressure Relief	15 psi
Thermostat Opening Temperature	188-206 °F
Pressure Test	15 psi
Radiator Cap Pressure Relief	15 psi

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	0.0003 in / 0.0005 in
Rotor Runout Limit	0.003 in / 0.004 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 2 stages

1	short bolts	43 ft. lbs
2	turn 90

Cylinder Head — tightening sequence 4 stages

1	all bolts	22 ft. lbs
2	long bolts	75 degrees
3	medium bolts	65 degrees
4	55

Cylinder Head — tightening sequence 1 stages

short bolts

43 ft. lbs

Exhaust Manifold to Cylinder Head Bolts — tightening sequence 1 stages

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.

At 7,500 mi	Drive Axle Assembly (drain & refill)
Every 7,500 mi	Axle Shaft Oil Seal (inspect) · CV Joint Boot (inspect) · Differential (inspect fluid level) · Engine Oil (drain & refill) · Engine Oil Filter (replace) · Tire & Wheel Assembly (rotate)
At 15,000 mi	Engine Air Filter Element (inspect)
Every 30,000 mi	Engine Air Filter Element (replace) · Engine Air Filter Element (inspect) · Wheel Bearing (repack)
Every 50,000 mi	Transmission Fluid & Filter (replace)
Every 90,000 mi	Fuel Filter (replace)
Every 100,000 mi	PCV Valve (inspect) · Spark Plug Wires (inspect) · Spark Plugs (replace)
At 150,000 mi	Engine Coolant System (drain, flush & refill)

Reliability & federal safety record

Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.

Owner complaints about the 2000 GMC Truck Sonoma 4WD lead in one area — the structure, 37 of 141 reports (26%), well ahead of the next concern. None of this vehicle's 4 recall campaigns target the structure, so those reports read as owner-reported wear-and-tear rather than an acknowledged defect. 15 of the reports describe a crash and 0 a fire — a small share of the total, but worth weighing against the structure pattern above. These are tallies of what owners actually reported to the federal government, not an editorial score — and higher-selling models naturally rack up more reports.

Open recalls

NHTSA campaigns

Service bulletins

Manufacturer communications

ODI investigations

Office of Defects Investigation

141

Owner complaints

15 involved a crash · 0 a fire

Owner complaints by model year NHTSA · this generation & adjacent

’90 ’92 ’93 ’94 ’95 ’96 ’97 ’98 ’99’00’01

Owner complaints filed with NHTSA, by component

All 141 complaints on record, top 8 components.

Structure37

Service Brakes, Hydraulic24

Latches/Locks/Linkages9

Air Bags7

Seats6

Power Train6

Engine & Engine Cooling5

Suspension4

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 2 of 4 campaigns on record for this vehicle.

00V258001Equipment:Other:LabelsReported 08/09/2000

VEHICLE DESCRIPTION: LIGHT DUTY PICKUP TRUCKS AND SPORT UTILITY VEHICLES. SOME OF THESE VEHICLES WERE BUILT WITH INCORRECT PAYLOAD INFORMATION ON THE VEHICLE CERTIFICATION LABEL. THE PAYLOAD SHOWN ON THE LABEL IS… Remedy: OWNERS WILL BE SENT A NEW LABEL FOR INSTALLATION ON THE DRIVER'S DOOR OF THE VEHICLE.

99V220000Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited SlipReported 11/08/1999

VEHICLE DESCRIPTION: S -TRUCKS EQUIPPED WITH 2 WHEEL DRIVE. THESE VEHICLES MAY HAVE HAD THE RIGHT-HAND ANTILOCK BRAKE SYSTEM (ABS) MODULE FEED PIPE AND/OR BRAKE CROSSOVER PIPE TUBE NUTS TIGHTENED WITHOUT SEATING THE… Remedy: DEALERS WILL INSPECT THE BRAKE PIPE UNION FOR SIGNS OF BRAKE FLUID, AND IF NECESSARY, INSTALL A NEW BRAKE PIPE UNION.

Common OBD-II trouble codes

The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.

P0420

Catalyst system efficiency below threshold — Bank 1

P0300

Random / multiple cylinder misfire detected

P0171

System too lean — Bank 1

P0455

Evaporative emission system leak detected — large leak

P0128

Coolant thermostat below regulating temperature

P0442

Evaporative emission system leak detected — small leak

VIN tools

Decode factory build data for a specific vehicle by VIN.

VIN

Decode a VIN to confirm the transmission and build data for a specific Sonoma 4WD. OEM

Build data

Plant, GVWR class, engine and body data for any 17-character VIN.

Recalls

Check open recall campaigns against a specific vehicle by VIN.

Vehicles with shared specs

Find every vehicle that shares this one's battery, bulbs, oil capacity, platform or parts.

Group 75 battery Vehicles taking 4.5 qt Engine oil filter 12731175 Engine air filter 25170512 Fuel filter 25168594 Spark plug 12681665

Reference guides

Cross-vehicle references for the kinds of data on this page.

Vehicle recalls & TSBs OBD-II trouble codes Torque specifications Maintenance schedules Fluid capacities & specs

Frequently asked

How much oil does the 2000 Sonoma 4WD take?

4.5 qt of 5W-30 API, per the factory manual.

Does the 2000 Sonoma 4WD have open recalls?

NHTSA lists 4 recall campaign(s) for this model year. Check your specific vehicle by VIN.