Mazda 1990 323 Workshop Manual Supplement page 243

TROUBLESHOOTING GUIDE
K2
13
ENGINE FLARES UP OR SLIPS WHEN UPSHIFTING OR DOWNSHIFTING
[TROUBLESHOOTING HINTS]
3 ATF level low
3 Throttle cable misadjusted
3 Powertrain slippage (Forward clutch, 3-4 clutch, 2-4
brake band, one-way clutch 1, one-way clutch 2, or
reverse clutch)
@ Control valve stuck (Pressure regulator valve)
@ Oil pump worn
@ Hydraulic circuit clogged or leaking (Forward clutch, 3-4
clutch, 2-4 brake band, or reverse clutch)
;TEP INSPECTION ACTION
1 Check if ATF level is OK
Yes Go to next step
w page K2-134
Level:
Between notches on HOT side of level
gauge at 65% (149OF)
HOT RANGE
No Add ATF to specified level w page K2-134
2
Check if ATF condition is OK Yes Go to next step
w page K2-134
@ Clear pink: Normal condition
@ Dark or black (with friction material):
Worn powertrain components
@ Milky pink: Water contamination
@ Light to dark brown (Oxidation):
Overheated or old fluid
6
"-
,$i
lLF
,r :.
-,
No
No.2 condition
Overhaul transaxle and repair or
replace parts as necessary w page K2-134
No.3 or No.4 condition
Replace ATF
3
Check if engine stall speed is OK Yes Go to next step
CT page K2-119
Engine stall speed: 2,550-2,650 rpm
No
Check for cause (Refer to Evaluation)
CY page K2-121
K2-67