3-30. ENGINE TROUBLESHOOTING (CONT)
TEST OR INSPECTION
3. ENGINE HARD TO START OR WILL NOT START (EXHAUST SMOKE) (Cont).
Unlock and open radiator cap access
Remove radiator cap slowly
p a n e l .
to relieve pressure before completely remov-
ing when engine is hot. Failure to do so could cause severe burns due to
h o t s t e a m s c a l d i n g y o u .
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 ).