LEAK TEST
SERVICE TOOLS
Section 01 V-810 ENGINE
Subsection
01
(LEAK TEST)
Description
Part Number
Page
camshaft locking tool.
........................................................... 529 035 926 ............................................. 2
dial gauge
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
414 104 700 ............................................. 2
GENERAL
Before
performing
the cylinder
leak
test,
verify the
following:
- clamp(s)
tightness
- radiator and hoses.
NOTE:
For best accuracy, the leak test should be
done with the engine at normal
operating temper
ature.
Repair Tips
- blue exhaust gas means damaged/worn piston
rings or valve stem seals
- oily contamination on leak indicator hole
means
a damaged oil seal on water pump shaft (refer
to
COOLING SYSTEM)
- coolant out of leak indicator
ho
l
e means
a dam
aged rotary seal on water pump shaft
(refer to
COOLING SYSTEM)
- coolant escaping from water pump housing
means damaged gasket(s) and/or loosened
screws (refer to
COOLING SYSTEM).
NOTE:
For all
t
he checkpoints mentioned above,
see the appropriate engine section to diagnose
and repair the engine.
PROCEDURES
NOTE: T
he following instructions
are
valid fo
r both
cylinders.
PREPARATION
Disconnect battery.
&
WARNING
Always respect this
order for disassembly;
disconnect BLACK(-) cable
first.
Remove:
- radiator cap
vm r2000-039
- any parts to have access to engine cylinder
heads. Refer to appropriate
VEHICLE SHOP
MANUAL.
Unplug and remove spark plug cable.
Remove spark plug from cylinder head.
1. Spark plug cable
2. Spark plug
Remove valve cover.
