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2021 Buick Encore GX Specs: Oil Capacity, Fluids, Maintenance Schedule & Fuse Box

Figures for the 2021 Buick Encore GX, copied from Buick’s own owner’s manual. Every one links to the manual page it came from.

From the manufacturer’s manuals. Every figure here is copied from the manufacturer's own manual, with a link to the page it came from. Where a manual is unclear or contradicts itself, we leave the figure out.

Engines in this manual: 4.0L, 6.3L. Figures that differ by engine say which engine they are for.

Fluids & capacities

All engines

4.0L

6.3L

Maintenance schedule

Normal service schedule

Use this for ordinary driving.

ServiceWhen
Replace engine air cleaner filter. (3)

Source: 2021 Buick Encore Owner Manual, page 269

Every 45,000 mi(72,000 km)
Replace oil pump drive belt and timing belt. (LIH 1.2L L3 Engine Only). (11)

Source: 2021 Buick Encore GX Owner Manual, page 325

150,000 mi
Replace passenger compartment air filter. (1)

Source: 2021 Buick Encore Owner Manual, page 269

Every 22,500 mi(36,000 km)
Replace passenger compartment air filter. (2)

Source: 2021 Buick Encore GX Owner Manual, page 325

Every 22,500 mi(36,000 km)

Severe service schedule

Use this if you tow, idle a lot, drive short trips in the cold, or run in dust.

ServiceWhen
Change automatic transmission fluid and filter. (Continuously Variable Ratio Transmission (CVT) Only)

Source: 2021 Buick Encore GX Owner Manual, page 327

Every 45,000 mi(72,000 km)
Replace engine air cleaner filter. (3)

Source: 2021 Buick Encore Owner Manual, page 271

Every 45,000 mi(72,000 km)
Replace oil pump drive belt and timing belt. (LIH 1.2L L3 Engine Only). (11)

Source: 2021 Buick Encore GX Owner Manual, page 327

150,000 mi
Replace passenger compartment air filter. (1)

Source: 2021 Buick Encore Owner Manual, page 271

Every 22,500 mi(36,000 km)
Replace passenger compartment air filter. (2)

Source: 2021 Buick Encore GX Owner Manual, page 327

Every 22,500 mi(36,000 km)

Fuse box locations & fuse chart

Engine Compartment Fuse Block

What each fuse protects

FuseAmpsProtectsSource
4—IEC RCp.228
6—Intelligent battery sensorp.228
7—Starterp.229
12—Rear window defoggerp.228
13—Power lumbar switchp.228
15—Fuel system control module batteryp.228
17—Fuel system control module RC/Blow by heaterp.228
18—Engine control module RC/Transmission control module RCp.228
21—Fan relay (auxiliary BEC)p.228
23—Ignition coilp.228
24—Washer pumpp.228
25—Automatic headlamp levelingp.228
26—EMS Var 1p.228
29—Engine control module powertrain/Ignition 1/ Ignition 2p.228
30—EMS Var 2p.228
31—Left high-beam headlampp.228
32—Right high-beam headlampp.228
33—Engine control module batteryp.228
34—Hornp.228
35—A/C clutchp.228

Rear Compartment Fuse Block

Where to find it

Rear Compartment Fuse Block The rear compartment fuse block is behind a cover on the driver side of the rear compartment.

Liftgate RLY03 - Relays Usage RLY04 - RLY05 Logistic mode Rear Compartment Fuse Block The rear compartment fuse block is behind a cover on the driver side of the rear compartment.

Source: 2021 Buick Encore Owner Manual, page 231

More fuse pages in the manual

Diagrams and printed legends we can’t host. Check the box name printed on a diagram before counting positions.

Not on this page

  • Oil life & reset procedures: The manual gives different answers by configuration, so we've left them out.

Other Buick Encore GX years