Porsche 928 Workshop Manual page 295

19
Engine/Cooling
928
Note:
If cylinder heads had been machined or ground.
check that thermostat housing fits correctly aftw
wards. It must not be installed with tension. If
necesrary. correct by machining mounting bores.
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19-8
Disassembling and Assembling Thermostat Housing
for Cooling System
a
VII. 1983 - Printed in Germany