Mercury D4.2L D-Tronic Service Manual

ENGINE MECHANICAL SERVICE MANUAL NUMBER 22
Page 3A-62 90-860074--1 FEBRUARY 2002
Installation - Using Late Model Gaskets
NOTE: Early model D2.8L D-Tronic and D4.2L D-Tronic diesel engines can be retrofitted
with late model cylinder head gaskets if the cylinder head spacers (for ends of first and last
cylinder heads) are replaced with new size spacers.
HEAD GASKET IDENTIFICATION
The following in-line diesel engines now use a new, late model cylinder head gasket which
seals more than one individual cylinder and eliminates the 100-hour re-torque that was
required for early model gaskets.
Description
Gasket Thickness
in. (mm)
D2.8L D-Tronic -
0.056 (1.42)
D2.8L D-Tronic -
Serial Number 0L098059
Gasket seals all 4 cylinders
0.060 (1.52)
And Above
0.064 (1.62)
Description
Gasket Thickness
in. (mm)
0.056 (1.42)
Gasket seals front 3 cylinders
0.060 (1.52)
D4.2L D-Tronic -
0.064 (1.62)
Serial Number 0L098232
And Above
0.056 (1.42)
And Above
Gasket seals rear 3 cylinders
0.060 (1.52)
0.064 (1.62)
Hold the gasket with the push rod holes up towards the top. Identification marks will be in
the lower right hand corner.
• No holes indicates a thickness of 0.056 in. (1.42 mm)
• 2 holes indicates a thickness of 0.060 in. (1.52 mm)
• 1 hole indicates a thickness of 0.064 in. (1.62 mm)
a
Late Model Gasket (1.52 mm Thickness Shown - 2 Holes)
a-Two Holes

Mercury D4.2L D-Tronic Specifications

General

Brand	Mercury
Model	D4.2L D-Tronic
Category	Engine
Language	English