Section 05
ENGINE (4-TEC)
Subsection 02
(LEAK TEST)
SMR2002_066_05_02A.FM
05-02-3
Diagnose
Pressurize area to be tested, spray soap/water so-
lution at the indicated location and look and/or lis-
ten for air bubbles.
– air escaping on intake port means leaking intake
valve(s)
– air escaping on exhaust port means leaking ex-
haust valve(s)
– air bubbles out of coolant tank means leaking
cylinder head gasket
– air escaping into crankcase area means exces-
sively worn and/or broken piston rings.
INSTALLATION
NOTE:
For installation use the torque values and
Loctite products from the exploded views (refer to
proper engine subsection).
For installation, reverse the preparation proce-
dure.
NOTE:
Prior to inserting the ignition coil to its lo-
cation, apply some BOMBARDIER LUBE lubricant
around the seal area that touches the spark plug
hole. After installation, ensure the seal seats prop-
erly with the engine top surface.
General Engine Leakage
Spray soap/water solution at the indicated location
and look and/or listen for air bubbles.
Paying attention to the following checkpoints:
– clamp(s) tightened
– coolant hoses
– air/oil escaping from crankcase means damaged
gasket(s) and/or loosened screws
(refer to ENGINE BLOCK)
– air/water escaping from cylinder/head means
damaged gasket(s) and/or loosened screws
(refer to CYLINDER HEAD AND VALVES)
– oily contamination on weep hole (speed sensor
area) means a damaged oil seal on coolant
pump shaft
– coolant out of weep hole means a damaged ro-
tary seal on coolant pump shaft
(refer to COOLING SYSTEM)
1. Weep hole
– coolant escaping from coolant pump housing
means damaged gasket(s) and/or loosened
screws (refer to COOLING SYSTEM).
NOTE:
For all the checkpoints mentioned above
see the appropriate engine section to diagnose
and repair the engine.
1
R1503motr158A
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Summary of Contents for GTX 4-TEC 5573 2002
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