Renault Sandero Handbook page 156

OPERATING FAULTS
On the road
Abnormal white smoke from the ex-
haust
The power-assisted steering be-
comes heavy.
Radiator: If there is a significant lack of coolant, remember that it must never be topped up using cold coolant while
the engine is very warm. After any procedure on the vehicle which has involved even partial draining of the cooling
system, it must be refilled with a new mixture prepared in the correct proportions. Reminder: only products approved
by the Technical Department may be used for this purpose.
5.36
(3/5)
POSSIBLE CAUSES
Mechanical fault: damaged cylinder
head gasket.
or
This is not necessarily a fault.
Smoke may be caused by
regeneration of the particle filter.
Belt broken.
No power-assisted steering oil
WHAT TO DO
Stop the engine.
Contact an approved dealer.
Refer to the information on "Special
features of diesel versions" in Section 2.
Have the belt replaced.
For maintenance operations on the power-
assisted steering, contact an approved
dealer.