Subaru Legacy

since 1990-1998 release

Repair and operation of the car

Subaru Legacy
+ 1.1. Identification numbers
+ 2. Maintenance
+ 3. Engines
+ 4. Heating, ventilation
+ 5. Fuel system
+ 6. Exhaust system
- 7. Systems of start, ignition
   7.1. Introduction
   7.2. Technical characteristics
   7.3. Check of the accumulator
   7.4. Accumulator charging
   7.5. Accumulator
   + 7.6. System of ignition
   + 7.7. System of charging
   + 7.8. System of start of the engine
+ 8. Transmissions
+ 9. Coupling, shaft
+ 10. Brake system
+ 11. Suspension bracket
+ 12. Steering
+ 13. Body
+ 14. Electric equipment

7.3. Check of the accumulator


It is necessary to make check of density of electrolyte in the accumulator each 3 months to define load ability of the accumulator.

Check is made by the densitometer. When determining density of electrolyte it is necessary to consider accumulator temperature. At a temperature of electrolyte below 15 °C on each 10 °C less than this temperature subtract value 0.007 from the measured density. For each 10 °C over 15 °C add 0.007.

Electrolyte density in the accumulator has to be in the following limits:

It is above 25 °C
It is below 25 °C
Full charge
1.210 – 1.230
1.270 – 1.290
Charging for 70%
1.170 – 1.190
1.230 – 1.250
1.050 – 1.070
1.110 – 1.130

Measure density of electrolyte in each can. The difference in density 0.04 or more between two any banks indicates loss of electrolyte or sulphation of plates.

If electrolyte density between two any banks differs more, than at 0:04 the accumulator is subject to replacement. If density of electrolyte is lower demanded, but identical in all banks, the accumulator needs to be charged.

In case of use of the unattended accumulator the condition of the accumulator can be checked only the voltmeter. In accumulators with the built-in indicator of degree of state of charge the condition of the accumulator is determined by color of the indicator. Green color of the indicator corresponds to a full charge of the accumulator. Black color of the indicator indicates the need of accumulator charging. Blue color of the indicator testifies to the low level of electrolyte in the accumulator.