Mazda MX-6 1998, Workshop Manual

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AUTOMATIC TRANSAXLE [LA4A-EL]
MECHANICAL SYSTEM TEST [LA4A-EL]
Mechanical System Test Preparation
1. Engage the parking brake and use wheel chocks
at the front and rear of the wheels.
2. Check the engine coolant. (Refer to 01-12
ENGINE COOLANT LEVEL INSPECTION.)
3. Check the engine oil. (Refer to 01-11 ENGINE
OIL INSPECTION.)
4. Check the ATF levels. (Refer to 0 5 -1 7A
AUTOMATIC TRANSAXLE FLUID (ATF)
INSPECTION [LA4A-EL], ATF Level Inspection.)
5. Check the ignition timing. (Refer to 0 1 -1 0A
ENGINE TUNE-UP [FS], Ignition Timing
Inspection.)
6. Check the idle speed. (Refer to 0 1 -1 0A ENGINE
TUNE-UP [FS], Idle Speed Inspection.)
Line Pressure Test
This test measures line pressure as a means of
checking the hydraulic components and inspecting for
oil leakage.
Warning
•
Removing the inspection port bolt when
the ATF is hot can be dangerous.
Hot ATF can come out of the opening and
badly burn. Before removing the
inspection port bolt, allow the ATF to cool.
Caution
•
Perform the Line Pressure Test at engine
idle prior to performing the test at engine
stall. If line pressure is low at idle do not
perform the test at engine stall or further
transaxle damage will occur.
1. Remove the inspection port bolt shown in the
figure.
W 6 U 5 1 7 W A 0
W 6 U 5 1 7 W 0 1
2. Connect the
S S T s
(49 UN01 128, 49 B019 901,
and 49 B019 903) to the line pressure inspection
port.
3. S ta rt th e e n g in e .
4. W h ile d e p re s s in g th e b ra k e p e d a l m o ve th e s h ifte r
to e a ch s e c to r p o s itio n a n d reco rd line p re s s u re at
e n g in e idle.
5. C o m p a re p re s s u re v a lv e s re c o rd e d to va lu e s
s p e c ifie d in fo llo w s ta b le .
6. T u rn th e e n g in e off.
7. R e p la c e th e
S S T (49 B 0 1 9 901) to th e 4 9 B 0 1 9
902.
C a u tio n
•
If th e a c c e le ra to r p e d a l is p re s s e d fo r
lo n g e r th a n 5 s e c o n d s w h ile th e b ra k e
p e d a l is d e p re s s e d , th e tra n s a x le c o u ld be
d a m a g e d . T h e re fo re , d o s te p s 5 a n d 6
w ith in 5 s e c o n d s o f e a c h o th er.
8. S ta rt th e e n g in e .
9. S h ift th e s e le c to r le v e r to R p o sitio n .
10. F irm ly d e p re s s th e fo o t b ra k e w ith th e le ft fo o t,
a n d g e n tly d e p re s s th e a c c e le ra to r p e d a l w ith th e
rig h t foot.
11. W h e n th e e n g in e sp e e d no lo n g e r in c re a s e s ,
reco rd line p re s s u re a n d re le a s e th e a c c e le ra to r.
12. S h ift th e s e le c to r to N p o s itio n a n d let th e e n g in e
idle fo r 1 m in u te o r m o re to co o l th e ATF.
13. P e rfo rm stall te s ts fo r th e re m a in in g ra n g e s in th e
sa m e m anner.
(1) D range
(2) 2 range
(3) 1 range
14. C o m p a re re s u lts w ith line p re s s u re s p e c ific a tio n s
in ta b le .
Specification
P ositio n /R a n g e
LINE PRESSURE SPECIFICATIONS (kPa {kgf/cm 2, psi})
IDLE
STALL
P, N 470— 530 (4.81— 5.41, 68— 77} —
R
470— 530 (4.81— 5.41, 68— 77)
1,790— 2,020 (18.21— 20.66, 259— 294}
D 330— 370 (3.34— 3.75, 47— 53)
1,158— 1,269 {11.80— 12.93, 168— 184}
2 330— 370 (3.34— 3.75, 47— 53}
1,158— 1,269 {11.80— 12.93, 168— 184}
1
330— 370 (3.34— 3.75, 47— 53} 1,158— 1,269 {11.80— 12.93,168— 184}
W 6 U 5 1 7 W A 1
15. Shift the selector lever to P position.
16. Turn off the engine.
0 5 -1 7 A -2