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Buick ROADMASTER 1995 Manual page 230

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Wait at least 30 minutes before checking the
transmission fluid level if you have been driving:
When outside temperatures are above 90"
F (32" C).
At high speed for quite a while.
In heavy traffic
--
especially in hot weather.
0
While pulling a trailer.
To get the right reading, the fluid should be at normal
operating temperature, which is 180" F to 200" F
(82" C to 93" C).
To check transmission fluid hot: Get the vehicle
warmed up by driving about 15 miles (24
k m )
when
outside temperatures are above 50
"
F
(
10" C). If
it's colder than 50" F (10" C), drive the vehicle in
DRIVE (D) until the engine temperature gage moves
and then remains steady for ten minutes. Then follow
the hot check procedures.
To check transmission fluid cold: A cold check is
made after the vehicle has been sitting
for eight hours or
more with the engine off and is used only as a reference.
Let the engine run at idle for five minutes if outside
temperatures are 50" F (10" C) or more. If it's colder
than 50" F (10
"
C), you may have to idle the engine
longer. Should the fluid level be low during a cold
check, you must perform a hot check before adding
fluid. This
will
give you a more accurate reading of the
fluid level.
To check the fluid hot or cold
0
0
0
0
Park your vehicle on a level place. Keep the engine
running.
With the parking brake applied, place the shift lever
in PARK (P).
With your foot on the brake pedal, move the shift
lever through each gear range, pausing for about
three seconds in each range. Then, position the shift
lever in PARK (P).
Let the engine run at idle
for three minutes or more.
6-14

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