Maintenance Schedule Additional; Required Services - Severe; Service and Maintenance- Page 340

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-

15253195) - 2022 - CRC - 5/24/21

Service and Maintenance

339

Maintenance Schedule Additional
Required Services - Severe

12

000

km/7,500

mi

24

000

km/15,000

mi

36

000

km/22,500

mi

48

000

km/30,000

mi

60

000

km/37,500

mi

72

000

km/45,000

mi

84

000

km/52,500

mi

96

000

km/60,000

mi

108

000

km/67,500

mi

120

000

km/75,000

mi

132

000

km/82,500

mi

144

000

km/90,000

mi

156

000

km/97,500

mi

168

000

km/105,000

mi

180

000

km/112,500

mi

192

000

km/120,000

mi

204

000

km/127,500

mi

216

000

km/135,000

mi

228

000

km/142,500

mi

240

000

km/150,000

mi

Rotate tires and perform Required Services. Check engine oil
level and oil life percentage. Change engine oil and filter,
if needed.
Check engine air filter life percentage and status. Change
engine air filter, if needed. (1)

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Replace passenger compartment air filter. (2)

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Replace spark plugs. Inspect spark plug wires and/or boots.

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Change automatic transmission fluid.

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Change rear axle fluid, if equipped with AWD. (3)

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Drain and fill engine cooling system. (4)

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Visually inspect accessory drive belts. (5)

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Replace brake fluid. (6)

Replace front and rear wiper blades. (7)

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Replace hood and/or body lift support gas struts. (8)

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Replace air conditioning desiccant. (9)