Difference between revisions of "Coolant and Heating running temperatures"

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An earlier part no is .. 481C now superceded by the K, with slightly different switching temps
An earlier part no is .. 481C now superceded by the K, with slightly different switching temps
--Current part no. ..481K switching temps--
1st stage On 87C Off 76C
2nd stage On 93C Off 82C


'''Grun:''' Haynes says thermostat fully open at 105 celsius.  
'''Grun:''' Haynes says thermostat fully open at 105 celsius.  
Line 19: Line 24:
Stroke 8mm minimum
Stroke 8mm minimum


'''Radiator fan, carburettor engines:'''
'''Radiator fan'''<br>
  NB. These figures do not agree with the switching temps indicated for the rad thermo-switch nos above, which are all the same now (...-481K)  
  NB. These figures do not agree with the switching temps indicated for the rad thermo-switch nos above,
which are all the same now (...-481K) apart from the DF and and EY single speed fan
 
'''Carburettor engines:'''


1st speed cuts in at 93 to 98 C<br>
1st speed cuts in at 93 to 98 C<br>
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'''(JX 1.6 TD)'''
'''(JX 1.6 TD)'''
Same as CS


==Forum discussion==
==Forum discussion==

Latest revision as of 23:36, 6 December 2009

Petrol engines

G11 phosphate free anti-freeze
Now G12 (pink) or G12 + (purple)

Thermo-switch:
Tightening torque - 30 nm (22 ft lb)
Part No. 251 959 481 K Dual 87C~76C & 93C~82C (for DG, SP, DJ, MV, KY, CS, JX)
Part No. 191 959 481 B Single 95C~84C (for DF, EY)

An earlier part no is .. 481C now superceded by the K, with slightly different switching temps

--Current part no. ..481K switching temps--

1st stage On 87C Off 76C 2nd stage On 93C Off 82C

Grun: Haynes says thermostat fully open at 105 celsius.

Bentley says:

Begins opening at 85 C
Fully open 105C
Stroke 8mm minimum

Radiator fan

NB. These figures do not agree with the switching temps indicated for the rad thermo-switch nos above,
which are all the same now (...-481K) apart from the DF and and EY single speed fan

Carburettor engines:

1st speed cuts in at 93 to 98 C
Cuts out at 88 to 93 C
2nd speed cuts in 99 to 105 C
Cuts out at 91 to 97 C

Fuel injection engines:

1st speed cuts in at 89 to 94 C
Cuts out at 81 C
2nd speed cuts in at 95 to 100 C
Cuts out at 87 C

Diesel engines

(CS 1.6NA)

Coolant capacity 16 litres

1st speed cuts in at 93 to 98 C
Cuts out at 88 to 93 C
2nd speed cuts in at 100 to 105 C
Cuts out at 95 to 100 C

Thermostat:

Opening begins: approx 85C
Fully Open 105C
Stroke Min. 7mm


(JX 1.6 TD)

Same as CS

Forum discussion

Links

Coolant and Heating Instrumentation malfunction