Ford Corsar Repair Manual page 526

TROUBLE-SHOOTING AND DIAGNOSES
p z G i i q
Final Check (Cont'd)
8. Shift selector lever to "NW.
9. Cool off A.T.F.
Run engine at idle for at least one minute.
10. Perform stall tests in the same manner as in steps 5
through 9 with selector lever in "1" and "R", respectively.
JUDGEMENT OF STALL TEST
PD"
range test
I
4
Stall revolution is
I
Too high
Low clutch or one-way
clutch s l i ~ s
"
1" range test
&
o . K . ~ ~ . G .
One-way Low clutch
clutch slips slips
"R" range test
L-i
4
Stall revolution is
Too low
l
Lock-up clutch i s dragging, Too hi$ Too low
converter one-way clutch i s
malfunctioning (slipping), or
engine is not performing
l
Reverse clutch or
l
Lock-up clutch is dragging,
properly. low & rev. brake converter one-way clutch is
slips malfunctioning (slipping), or
engine is not performing
Perform road tests to determine
whether reverse clutch or low
&
rev. brake slips.
4
When selector lever is
in "l " range
No engine braking
Effective engine
l
braking
Low & rev. brake
slips
l
Reverse clutch
slips
If converter oneway clutch is frozen, vehicle will have poor high-speed performance and low engine rpm
when it is raced in "N" range. If converter oneway clutch is slipping, vehicle will be sluggish up to 50 or 60
km/h