
Fig. 194 Coolant temperature display in instrument cluster: Ⓐ cold; Ⓑ normal; Ⓒ warning
First read and observe the introductory information
and safety warnings In normal driving conditions, the needle will be in the middle section of the scale. The temperature may also rise when the engine is working hard, especially at high ambient temperatures.
Several warning and indicator lamps will light up briefly as a functional check when the ignition is switched on. They will switch off after a few seconds.
| Flashesa) |
Needle position |
Possible cause | Solution |
|---|---|---|---|
|
Ⓒ Warning area |
Coolant temperature too high. |
Do not drive on! Stop the vehicle as soon as possible, and when safe to do so. Stop the engine, let the engine cool down until the needle is back in the normal area. Check the coolant level . |
|
Ⓑ Normal area |
Coolant level too low. | After
the engine has cooled down, check the coolant level and refill engine coolant
if the level is too low . There is a fault if the coolant level is correct. |
|
| – | Fault in the coolant system. |
Do not drive on! Seek expert assistance. |
|
| – |
Ⓐ Cold |
The engine has not yet reached operating temperature. | Avoid high engine revs and heavy engine loads until the engine is warm. |

WARNING

NOTICE
a) Displayed in colour on an instrument cluster with colour display.
Introduction
Coolant specificationRemoving and installing earth wire with battery monitor control unit -J367-,
vehicles without high-voltage system
Special tools and workshop equipment
required
Torque wrench -V.A.G 1331-
Removing
–
Removing battery -A-
→ Chapter.
...
Assembly overview - cylinder block, gearbox end
Note
For assembly work, secure engine to engine and gearbox support
→ Chapter.
1 -
Bolt
Renew
60 Nm + 90°
2 -
Flywheel
Removing and installin ...
Charging battery in maintenance mode with battery charger -VAS 5900-
Note
When a battery is being charged in the maintenance mode and
an electrical consumer draws current from the battery, the
battery charger -VAS 5900- automatically compensates the charge.
The maintenance mode can be ...