3-30. ENGINE TROUBLESHOOTING (CONT)
TEST OR INSPECTION
5. ENGINE MISFIRES (Cont).
Open radiator cap access panel.
to relieve pressure before completely remov-
Remove radiator cap slowly
ing when engine is hot. Failure to do so could cause severe burns due to
hot steam scalding you. If you are scalded by hot steam, seek medical
Remove radiator cap.
Remove engine left and right side panels if not already removed
Remove alternator drive belts (page 5-4).
Drain coolant from radiator to just below upper radiator hose port
Disconnect upper radiator hose from thermostat housing (page 4-74).
Remove thermostat housing and thermostats (page 4-87).
T e l l a s s i s t a n t t o s t a r t e n g i n e ;
i f e n g i n e c a n n o t b e s t a r t e d , t e ll
assistant to crank engine for 30 seconds while you watch coolant in
water manifold for air bubbles.
a. If air bubbles rising in coolant in water manifold are seen, no-
tify next higher maintenance level to replace cylinder head gas-
k e t ( s ).