5-16
1. Park the vehicle on a level surface. You can remove
the coolant surge tank pressure cap when the cooling
system, including the coolant surge tank pressure cap
and upper radiator hose, is no longer hot. Turn the
pressure cap slowly counterclockwise (left) about
one
-
quarter turn and then stop.
If you hear a hiss, wait for that to stop. A hiss means
there is still some pressure left.
2. Then keep turning the pressure cap slowly, and
remove it.
Summary of Contents for 2003 CTS
Page 1: ......
Page 6: ...v These are some examples of vehicle symbols you may find on your vehicle...
Page 148: ...2 80 The Instrument Panel Your Information System...
Page 383: ...6 57 GM Vehicle Care Appearance Materials...
Page 406: ...Scheduled Maintenance 7 7...
Page 407: ...Scheduled Maintenance 7 8...
Page 425: ...7 26 Maintenance Record DATE ODOMETER READING SERVICED BY MAINTENANCE PERFORMED...