6. Install air intake cover (A) cover aftercooler so inlet and
outlet tubes are protruding through hole in cover.
IMPORTANT: Improperly seated or crimped end seal
can result in loss of power and possible
engine damage. Make sure end seal is
7. Install JDG683 Sealing Ring Compression Tool (B)
onto aftercooler coolant tubes (C) with crossbar across
slot as shown.
8. Tighten tool until air intake cover cap screw holes are
aligned with holes in gaskets, aftercooler, and intake
IMPORTANT: All intake manifold and aftercooler
connections at the turbocharger and
engine cylinder head must be tight to
prevent loss of power resulting from
lower manifold pressure, and possible
9. Apply PT569 NEVER-SEEZ® to all intake
manifold-to-aftercooler cover cap screws. Install cap
Aligning Aftercooler Parts
screws and tighten to 34 N·m (25 lb-ft). Remove seal
NEVER-SEEZ is a trademark of Emhart Chemical Group.