Ford Corsar Repair Manual page 463

TROUBLE-SHOOTING AND DIAGNOSES
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Stall Testing
STALL TEST PROCEDURE
1. Check A/T and engine fluid levels. If necessary, add fluid.
2. Warm up engine until engine oil and A.T.F. reach operating
temperature after vehicle has been driven approx. 10 min-
utes.
A.T.F. operating temperature:
50
-
80°C (122
-
176OF)
3. Set parking brake and block wheels.
4. Install a tachometer where it can be seen by driver during
test.
It is good practice to put a mark on point of specified
engine rpm on indicator.
5. Start engine, apply foot brake, and place selector lever in "D"
range.
6. Accelerate to wide-open throttle gradually while applying
foot brake.
7. Quickly note the engine stall revolution and immediately
release throttle.
During test, never hold throttle wide-open for more than 5
seconds.
Stall revolution standard:
2,300
-
2,600 rpm
8. Shift selector lever to "N".
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 "2", "1" and "R", respec-
tively.