Troubleshooting Guide; Recommended Sae Viscosity - Mazda MX-5 1990 Workshop Manual

OUTLINE, TROUBLESHOOTING GUIDE
D
OUTLINE
SPECIFICATIONS
Item
- .
----
Engine
B6DOHC
Lu brication system
Force-fed type
Type Trochoid gear
Oil pump
kPa (kg/cm
2
•
psi)
Relief pressure
343-441 (3.5-4.5. 50-64)
Type Full-flow, paper element
Oil filter
Relief pressure differential kPa (kg/cm
2
•
psi)
78-118 (0.8-1.2. 11-17)
Total (dry engine) liters (US qt, Imp qt)
3.6 (3.8, 3.2)
Oil capacity Oil pan liters (US qt. Imp qt)
3.2 (3.4. 2.8)
Oil filter liter (US qt, Imp qt) 0.17 (0.18,0.15)
Engine oil
API service SF or SG
05UODX·003
Recommended SAE Viscosity
(OC)
-30 -20 -10 0 10 20 30 40 50
Temperature
I I I I I I I I I
(OF) I I I I I I I I
-20
0
20 40 60 80 100 120
5W-30 30
5W·20
~
<
20W·20
>
40
Engine oil
<
10W-30
>
<
10W-40
1 OW-50
20W-40 20W-50
Anticipated ambient temperature range before succeeding oil change,
°c
(OF).
05UODX-004
TROUBLESHOOTING GUIDE
Problem
Possible Cause Remedy Page
Engine hard starting Improper engine oil Replace 0- 5
Insufficient engine oil
Add oil 0- 5
Excessive oil Oil working up or down
Refer to Section B
consumption Oil leakage Repair -
Oil pressure drop Insufficient oil
Add oil
D- 5
Oil leakage
Repair
-
Worn and/or damaged oil pump gear Replace 0-11. 12
Worn plunger (inside oil pump) or weak spring Replace 0-11. 12
Clogged oil strainer Clean
-
Excessive main bearing or connecting rod bearing
Refer to Section B
clearance
Oil pressure gauge
Oil pressure drop
As described above -
(meter) does not Malfunction of oil pressure gauge Refer to Section T
operate Malfunction of electrical system Refer to Section T
05UODX-005
0-3