Installation Of Thermostat; Cleaning Of Radiator; Inspection Of Radiator - Volkswagen Taro 1989 Workshop Manual

INSTALIATION OF THERMOSTAT
1. Install thermoslm and water inlet
(a) Install a new gasket to the thermostat and place the thermo-
stat with the valve (1) at the upper l& as shown
(b) Install the water inlet with the two nuts.
Torque 12 Nm
2.
Connect radiator outlet hose t o water inlet
3.
Refill wRh coolant (See page 1
l 4
4.
Stan engine and check for leaks
R A D I A T O R
CLEANING OF RADIATOR
Ustng water or
a
steam deaner, remove any mud and dirt from
the rad~ator core
CAUTION
If using a high pressure type cleaner, be careful
not to diston and damage the fins of the radi-
ator core If the cleaner noule pressure is 30
-
35
bar keep a distance of at least 40
-
50 Cm
between the radlator core and cleaner nozzle
INSPECTION OF RADIATOR
1. Inspect radiator cap or water outlet cap
(3)
Using a mdiator cap tester (2). pump the tester untli the relief
valve opens. Check that the valve opens between 0.75 bar and
'
105 bar.
Check that the pressure does not drop rapldly when pressure on
the cap is below 0 6 bar
If either check is not within limits. replace the cap.