LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> GMC >> 2021 >> Yukon AT4 >> Repair and Diagnosis >> Maintenance >> Procedures >> Maintenance And Lubrication >> Specifications >> Maintenance Items
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Maintenance Items

Maintenance Procedure Link
Approximate Fluid Capacities Approximate Fluid Capacities 
Fluid and Lubricant Recommendations Fluid and Lubricant Recommendations 
Maintenance Replacement Parts Maintenance Replacement Parts (Duramax Diesel) , or
Maintenance Replacement Parts (Except Duramax Diesel) .
GM Oil Life System Resetting GM Oil Life System Resetting (With Scan Tool) , or
GM Oil Life System Resetting (Without Scan Tool) .
GM Air Filter Life System Resetting GM Air Filter Life System Resetting (Without Scan Tool) , or
GM Air Filter Life System Resetting (With Scan Tool) .
Tire Rotation Tire Rotation
Tire Pressure Indicator Sensor Learn Tire Pressure Indicator Sensor Learn
Passenger Compartment Air Filter Replacement Passenger Compartment Air Filter Replacement
Brake Pad Inspection Brake Pad Inspection
Cooling System Draining and Filling Cooling System Draining and Filling (GE 47716 L84, L87) , or
Cooling System Draining and Filling (Static L84, L87) , or
Cooling System Draining and Filling (Static LM2) , or
Cooling System Draining and Filling (GE 47716 LM2) .
Hydraulic Brake System Bleeding Hydraulic Brake System Bleeding
Air Cleaner Element Replacement - 3.0L (LM2) Diesel Air Cleaner Element Replacement
Air Cleaner Element Replacement - 5.3L (L82, L84) or 6.2L (L87) Air Cleaner Element Replacement
Spark Plug Replacement Left Side- 5.3L (L82, L84) or 6.2L (L87) Gas Engine Ignition Spark Plug Replacement - Left Side
Spark Plug Replacement Right Side- 5.3L (L82, L84) or 6.2L (L87) Gas Engine Ignition Spark Plug Replacement - Right Side
Fuel Filter Replacement - 3.0L (LM2) Diesel Fuel Filter Replacement (Long Wheelbase) , or
Fuel Filter Replacement (Short Wheelbase) .
Automatic Transmission Fluid Drain and Fill - 10L80 (MQC) Transmission Fluid Drain and Fill (L84, L87) , or
Transmission Fluid Drain and Fill (LM2) .