TM 5-3805-262-203-4. ENGINE TROUBLESHOOTING (CONT)MALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTION3. ENGINE HARD TO START OR WILL NOT START (EXHAUST SMOKE) (Cont).Step 6. (Cont).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;if engine cannot be started,t e l l a s s i s t a n t t o c r a n k e n g i nefor 30 seconds while you watchcoolant in water manifold forair bubbles.a .b .I f a i r b u b b l e s r i s i n g i ncoolant in water manifoldare seen, notify next highermaintenance level to replacecylinder head gasket(s).I f a i r b u b b l e s r i s i n g incoolant are not seen, tella s s i s t a n t t o t u r n o f f e n-g i n e.I n s t a l l t h e r m o s t a t s a ndthermostat housing (page4-89).Connect upper radiator hoseto thermostat housing (page4-75).F i l l r a d i a t o r w i t h c o o l a nt(page 4-71).I n s t a l l a n d a d j u s t a l t e r n a t o r d r i v e b e l t s ( p a g e 5 - 5 ).Install engine left and right side panels (page 9-17).Notify next higher maintenance level (engine must be checkedf u r t h e r ) .3-14
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