TM 5-3805-262-20
3-14. TRANSMISSION TROUBLESHOOTING
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. FOAMY OIL.
Step 1.
One quart
1/2 inch.
Step 2.
Step 3.
Step 4.
Check oil level with transmission at oper-
ating temperature (page 6-4), transmission
control lever in N (neutral) and engine
operating at idle speed.
a. If oil level is not between FULL and
ADD marks, add oil (page 6-4).
NOTE
o f o i l w i l l r a i s e d i p s t i c k l e v e l
b . I f o i l l e v e l
marks, go to
Check source of
is between FULL and ADD
step 2 below.
oil and ensure that oil is correct grade and type.
a . I f o i l i s n o t c o r r e c t g r a d e a n d t y p e , d r a i n o i l , r e p l a c e o il
f i l t e r , a n d a d d n e w o i l ( p a g e 6 - 6 ) .
b. If oil is correct grade and type, go to step
Remove transmission oil level dipstick and check
s t i c k .
a . I f w a t e r o n d i p s t i c k , d r a i n o i l , r e p l a c e o il
o i l ( p a g e 6 - 6 ) .
b. If water is not on dipstick, go to step 4.
Check if transmission
pump mounting bolts
a r e l o o s e.
a. If transmission pump
mounting bolts are
l o o s e, tighten them.
3.
for water on dip-
filter, and add new
b. If transmission pump
mounting bolts are not
loose. notify next
higher maintenance
level (problem is in
charging pump gasket).
3-101
