Question about 2003 GMC Sierra
They are Located UNDER Intake Manifold !! #1 bank in Front #2 Back.
NOTE: Refer to Fastener Notice in Service PrecautionsInstall the knock sensors. Tighten Tighten the sensor to 20 N.m (15 lb ft)
Posted on Oct 08, 2009
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Posted on Jan 02, 2017
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