2007 PONTIAC G6 engine

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Page 340 of 486

PONTIAC G6 2007  Owners Manual What to Use
Use a mixture of one-half clean, drinkable water
and one-half DEX-COOL®coolant which will
not damage aluminum parts. If you use this coolant
mixture, you do not need to add anything else.

Page 341 of 486

PONTIAC G6 2007  Owners Manual Checking Coolant
The engine coolant surge tank is located in the
rear of the engine compartment. SeeEngine
Compartment Overview on page 318for more
information on location.
{CAUTION:
Turning the surge

Page 342 of 486

PONTIAC G6 2007  Owners Manual Adding Coolant
If you need more coolant, add the proper
DEX-COOL®coolant mixture at the surge tank,
but only when the engine is cool. If the surge tank
is empty, a special �ll procedure is necessary.

Page 343 of 486

PONTIAC G6 2007  Owners Manual If Steam Is Coming From Your Engine
{CAUTION:
Steam from an overheated engine can
burn you badly, even if you just open the
hood. Stay away from the engine if you
see or hear steam coming from it. Tur

Page 344 of 486

PONTIAC G6 2007  Owners Manual If you get the overheat warning with no sign of
steam, try this for a minute or so:
1. In heavy traffic, let the engine idle in
NEUTRAL (N) while stopped. If it is safe to
do so, pull off the road, sh

Page 345 of 486

PONTIAC G6 2007  Owners Manual Cooling System
When you decide it is safe to lift the hood, here is
what you will see:
A. Engine Cooling Fans
B. Engine Coolant Surge Tank
C. Pressure Cap{CAUTION:
An electric engine cooling fan under

Page 346 of 486

PONTIAC G6 2007  Owners Manual The coolant level should be at or above the FULL
COLD mark on the coolant surge tank. If it is
not, you may have a leak at the pressure cap or in
the radiator hoses, heater hoses, radiator, water
pump

Page 347 of 486

PONTIAC G6 2007  Owners Manual How to Add Coolant to the Coolant
Surge Tank
Notice:This vehicle has a speci�c coolant �ll
procedure. Failure to follow this procedure
could cause your engine to overheat and
be severely damaged.
If y