Outline Specifications; Troubleshooting Guide - Mazda MX-5 1990 Workshop Manual

OUTLINE, TROUBLESHOOTING GUIDE
E
OUTLINE
SPECIFICATIONS
Item
Engine
B6DOHC
Cooling system
Water-cooled, forced circulation
Coolant capacity I.iters (US qt, Imp qt) 6.0 (6.3, 5.3)
Type Centrifugal
Water pump
Water seal
Unified mechanical seal
Type Wax, two-stage
Opening temperature
0C (OF)
Main:
86.5-89.5 (188-193)
Sub :
83.5-86.5 (182-188)
Thermostat
Full-open temperature
0C (OF)
100 (212)
Full-open lift mm (in)
Main: 8.0 (0.31) min.
Sub: 1.5 (0.06) min.
Type Corrugated fin
Radiator
Cap valve opening pressure
kPa (kg/cm2, psi)
74-103 (0.75-1.05, 11-15)
Type Electric
Outer diameter mm (in)
320 (12.6)
Blade
Cooling fan
Number 5
Capacity W-V 70-12
Motor
Current
A 5.3-6.5
05UOEX-003
TROUBLESHOOTING GUIDE
Problem
Possible Cause Remedy
Page
Overheating Coolant level insufficient
Add
E- 5
Coolant leakage Repair
-
Radiator fins clogged
Clean
E- 7
Radiator cap malfunction
Replace
E- 6
Cooling fan malfunction
Replace E-11
Thermostat malfunction
Replace E- 8
Water passage clogged
Clean
E- 5
Water pump malfunction Replace
E- 9
Corrosion Impurities in coolant
Replace
E- 5
05UOEX-004
E-3