Cylinder Head; Core Plug Installation - Mercury MerCruiser Service Manual

7. Tighten the oil pan screws in sequence (1–14) to the specified torque.
12
11
Description
Oil pan screws
8. Tighten the oil drain plug to the specified torque.
Description
Oil drain plug
9. Install the appropriate engine oil dipstick.

Cylinder Head

Core Plug Installation

The cylinder head assembly is unidirectional and needs a core plug installed in the aft end of the cylinder head. This is
determined on what side of the engine it is installed on.
1. Apply Loctite 242 Threadlocker sealant to the outside diameter of the new engine head core expansion plug.
90-8M0099748 eng DECEMBER 2015
4
8
7
a
b
c
56614
2
6
2
5
3
1
a - Dipstick
b - Dipstick tube
c - Clamp
© 2016 Mercury Marine
Engine Inspection and Assembly
10
14
13
9
59557
Nm lb‑in.
35 –
Nm lb‑in.
24 –
Page 3B-43
lb‑ft
25.8
lb‑ft
17.7