Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Piston Cooling Jets

Piston cooling jets





1. Apply compressed air to each piston cooling jet valve at (A) and verify that air passes through piston cooling jet valve at (B). If air does not pass, replace piston cooling jet valve.
Air pressure: 35.6 - 44.1 psi (245.3 - 304.1 kPa, 3.1 - 2.5 kg/cm2) maximum
2. Check piston cooling jet nozzle for clogs. Replace nozzle if necessary.