GMC 1995 Suburban Owner's Manual page 151

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It
takes a little more or less fuel to fill up than the fuel gage indicated.
For example, the gage may have indicated the tank was half full, but it
actually took a little more or less than half the tank's capacity to fill the
tank.
The gage moves a little when you turn
a
corner or speed up.
The gage doesn't go back to empty when you turn off the ignition.
None of these indicate a problem with the fuel gage.
For information on how to fill your fuel tank, see "Fuel
-
Filling Your
Tank" in the Index.
For your fuel tank capacity, see "Fuel -Tank Capacity" in the Index.
Engine Coolant Temperature Gage
This gage shows the engine coolant temperature. Most of the time, the gage
pointer will show your coolant temperature at 2 10°F (99"C), or less. But, if
you are pulling
a
heavy load or driving up hills, your coolant temperature
may rise and fall near the red 260°F ( 1 28°C) mark. This is normal. I f the
gage pointer moves to the red 260°F
(
128°C) mark,
YOLII-
engine is too hot!
It means that your engine coolant has overheated. You should pull off the
road, stop your vehicle, and turn off the engine as soon
a s
possible.
Hot Coolant Can Burn You Badly!
I n "Problems on the Road," this manual shows what to do. See "Engine
Overheating" in the Index.
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