1997 GMC JIMMY brake fluid

There are only two reasons why the brake fluid level in
the reservoir might go down. The first is that the brake
fluid goes down to an acceptable level during normal
brake lining wear. When new linings are put in, the fluid
level goes back up. The other reason is that fluid is
leaking out of the brake system. If it is, you should have
your brake system fixed, since a leak means that sooner
or later your brakes won’t work well, or won’t work
at all.
So, it isn’t a good idea to “top off’ your brake fluid.
Adding brake fluid won’t correct a leak. If you add fluid
when your linings
are worn, then you’ll have too much
fluid when you get new brake linings. You should add
(or remove) brake fluid, as necessary, only when work is
done on the brake hydraulic system. Refer
to the Maintenance Schedule to determine when to
check your brake fluid. See “Periodic Maintenance
Inspections” in the Index.
Checking Brake Fluid
If you have too much brake fluid, it can spill on the
engine. The fluid
wiu burn if the engine is hot
enough.
You or others could be burned, and your
vehicle could
be damaged. Add brake fluid only
when work
is done on the brake hydraulic system.
I
You can check the brake fluid without taking off the cap.
Just look at the windows on the brake fluid reservoir. The fluid levels should be above MIN. If they aren’t,
have your brake system checked to see
if there is a leak.
After work is done on the brake hydraulic system, make
sure the levels are above
MIN and below the top of
each window.
6-29

What to Add
When you
do need brake fluid, use only DOT-3 brake
fluid
-- such as Delco Supreme 1 l@ (GM Part
No. 12377967). Use new brake fluid from a sealed
container only.
Always clean the brake fluid reservoir
cap and the area
around the
cap before removing it. This will help keep
dirt from entering the reservoir.
I
With the wrong kind of fluid in your brake
system, your brakes may not work well, or they
may not even work
at all. This could cause a
crash. Always use the proper brake fluid.
NOTICE:
Using the wrong fluid can badly damage
brake system parts. For example, just
a few
drops
of mineral-based oil, such as engine
oil, in your brake system can damage brake
system parts
so badly that they’ll have to be
replaced. Don’t let someone put
in the
wrong kind of fluid.
0 If you spill brake fluid on your vehicle’s
painted surfaces, the paint finish
can be
damaged. Be careful not to spill brake fluid
on your vehicle. If you do, wash it off
immediately. See “Appearance Care” in
the Index.
6-30

Short Trip/City Maintenance Schedule
The services shown in this schedule LIP to 100.000 miles
( I66 000 km) should be performed after 100,000 miles
( 166 000 km) at the same intervals. The services shown
at 150.000 miles (240
000 km) should be performed at
the
same interval after 150.000 miles (240 000 km).
See "Owner Checks and Services" and "Periodic
Maintenance Inspections" following.
Footnotes
-f The U.S. Environmental Protection Agency or the
California Air Resources Board has determined that the
failure to perform this maintenance item will not
nullify
the emission warranty or limit recall liability prior to the
completion
of the vehicle's useful life. We. however,
urge that
all recommended maintenance services be
performed at the indicated intervals and
the maintenance
be recorded.
## Lubricate the front suspension. ball joints. steering
linkage and transfer case shift linkage. parking brake
cable guides, propshaft splines. Lulivel-sal joints and
brake
pedal springs.
+ A good time to check your brakes is during tire
rotation. See "Brake System Inspection" under "Periodic
Maintenance Inspection"
in Part C of this schedule.
'i::k Drive axle service (see "Recommended Fluids and
Lubricants"
in the Index for proper lubricant to use):
0
0
0
Locking Differential -- Drain fluid and refill at first
engine oil change. At subsequent oil changes, check
fluid level and add fluid as needed.
If driving in
dusty areas or towing a trailer, drain tluid and refil
every 15,000 miles
(25 000 km).
Standard Differential
-- Check fluid level and add
tluid
as needed at every oil change. If driving in
dusty areas or towing a trailer, drain fluid and refil
every
15,000 miles (25 000 km).
More frequent lubrication may be required
for
heavy-duty or off-road use.
1
1
7-7

I Short TripKity Maintenance Schedule I
15,000 Miles (25 000 km)
0 Change engine oil and filter (or every
3 months, whichever occurs first).
An Emission Control Service.
0 Lubricate chassis components (or every
3 months, whichever occurs first).
(See footnote
#.)
0 Inspect air cleaner filter if you are
driving in dusty conditions. Replace filter
if necessary.
An Emission Control Service. (See footnote?.)
0 Check readfront axle fluid level and add
fluid as needed. Check constant velocity
joints and axle seals for lealung.
(See footnote
**.)
0 For Two-Wheel-Drive vehicles only: Clean and repack the front wheel bearings (or at
each brake relining, whichever occurs first).
DATE ACTUAL MILEAGE SERVICED BY
7-10

Short Trip/City Maintenance Schedule
30,000 Miles (50 000 kmj
0 Change engine oil and filter (or every
3 months, whichever occurs first).
AI! Emission Co1ltrol Scl-\*ic.t..
0 Lubricate chassis components (or every
3 months, whichever occurs first).
(See footnote
#.)
Check rear/front axle fluid level and add
fluid as needed. Check constant velocity
joints
and axle seals for leaking.
(See footnote
'?)
For Two-Wheel-Drive vehicles only: Clean
and repack
the front wheel bearings (or at
each brake relining, whichever occurs first)
0 Replace fuel filter. AI! Ellrissiorl Colmol Ser\lir*P.
0 Replace air cleaner filter.
,411 EI1lissioII Control Sen*ice.
0 Rotate tires. See "Tire Inspection and
Rotation"
in the Index for proper rotation
pattern and additional information.
(See footnote
+.)
(See footnote?-.)
7-13

I Short TripKity Maintenance Schedule I
45,000 Miles (75 000 km)
0 Change engine oil and filter (or every
3 months, whichever occurs first).
AII Emissiorl Cotlt~d Sc)I-l.pic*c..
0 Lubricate chassis components (.or every
3 months, whichever occurs first).
(See footnote
#.)
0 Check readfront axle fluid level and add
fluid as needed. Check constant velocity
joints and axle seals for leaking.
(See footnote
:Y)
0 For Two-Wheel-Drive vehicles only: Clean
and repack the front wheel bearings (or
at
each brake relining, whichever occurs first).
driving
in dusty conditions. Replace filter
if necessary.
AII ~/~li.ssion ~olltl-ol scJl-\!icv. (See footnote?.)
0 Inspect air cleaner filter if you are
DATE SERVICED BY: ACTUAL MILEAGE
7-16

60,000 Miles (100 000 km)
0 Change engine oil and filter (or every
3 months, whichever occurs first).
An Emissio~ Corztd Senic-e.
0 Lubricate chassis components (or every
3 months, whichever occurs first).
(See footnote
#.)
0 Check readfront axle fluid level and add
fluid
as needed. Check constant velocity
joints and axle seals for leaking.
(See footnote
:Yj
0 For Two-Wheel-Drive vehicles only: Clean
and repack the front
wheel bearings (or at
each brake relining, whichever occurs first).
0 Inspect engine accessory drive belt.
Replace fuel filter. Ar? Emissioll Comd Srl-l!ic*c).
(See footnote?.)
0 Replace air cleaner filter.
0 Inspect f~lel tank, cap and lines for damage
or leaks. Inspect
fuel cap gasket for any
darnage. Replace parts as needed.
AI? ~missio~~ ~omo1 Lyc.rllic.c.. (See footnote?.)
0 Rotate tires. See “Tire Inspection and
Rotation”
in the Index for proper rotation
pattern and additional information.
(See footnote
+.)
AI! Emissior~ Col1tr-01 Set-1tic.c..
DATE SERVICED BY: ACTUAL ICIT1,EAGE
Short TripKity Maintenance Schedule *
7-20

75,000 Miles (125 000 km)
0 Change engine oil and filter (or every
3 months, whichever occurs first).
AII Emissiotl Control Service.
Lubricate chassis components (or every
3 months, whichever occurs first).
(See footnote
#.)
For Two-Wheel-Drive vehicles only: Clean
and repack the front wheel bearings
(or at
each brake relining, whichever occurs first).
driving
in dusty conditions. Replace filter
if necessary.
An Emission Com-ol Sel-\+c*r. (See footnote?.)
0 Inspect air cleaner filter if you are
El Check readfront axle fluid level and add
fluid
as needed. Check constant velocity
joints and axle seals for leaking.
(See footnote
?)
Short TripKity Maintenance Schedule
SERVICED BY I
7-23