SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSGMC2019ACADIA SLE, 3.6L ENG VIN S, FWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 3 (ENGINE CONTROLS AND FUEL - 2.5L (LCV) - REPAIR INSTRUCTIONS)REPAIR INSTRUCTIONSSPARK PLUG REPLACEMENT
2019 GMC Acadia SLE, 3.6L Eng VIN S, FWD

Spark Plug Replacement

2019 GMC Acadia SLE, 3.6L Eng VIN S, FWDSECTION Spark Plug Replacement
WARNING: This page is about a different variant/trim than selected.
GM2809753Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
CAUTION:

This engine has aluminum cylinder heads. Do not remove the spark plugs from a hot engine, allow it to cool first. Removing the spark plugs from a hot engine may cause spark plug thread damage or cylinder head damage.

Preliminary Procedure Ignition Coil Replacement 
1 Spark Plug [4x]
CAUTION:

Refer to Component Fastener Tightening Caution .

Procedure

  1. If reusing the spark plugs, inspect for wear or damage. Spark Plug Inspection 
  2. If using NEW spark plugs, do NOT attempt to check the spark plug gap. The plugs come pre-gapped.

Tighten 
20 N.m (15 lb ft)
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.