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5.3 oil pressure and noisy lifters
Posted to Technical Discussion Forum on 3/11/2020 20 Replies

Have this 05 Sierra 5.3 with intermittent low oil pressure (shows about 1/4 on gauge, normally 1/2) and noisy lifters. Tends to happen when engine gets operated at highway speed for at least 1/2 hour or more. Customer says temperature stays normal.

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car Vehicle Data

2005 GMC Savana 1500 SLE 5.3L

Engine5.3 L
Trans4-speed Automatic (Electronic)

car Vehicle Data

2005 GMC Savana 1500 SLE 5.3L

Engine5.3 L
Trans4-speed Automatic (Electronic)