1997 GMC JIMMY automatic transmission

Maintenance Schedule
I Long Trip/Hiahway Definition
Follow this maintenance schedule only if none of the
conditions from the Short Trip/City Maintenance
Schedule
is true. Do not use this schedule if the vehicle
is used
for trailer towing, driven in a dusty area or used
off paved roads. Use the Short Trip/City schedule for
these conditions.
Lone TridHiehwav Intervals
Every 7,500 Miles (12 500 km): Engine Oil and Filter
Change (or every
12 months, whichever C)CCLI~S first).
Chassis Lubrication (or every
I2 months, whichever
occ~~rs first). Drive Axle Service. Tire Rotation.
Every 30,000 Miles (50 000 km): Fuel Filter
Replacement.
Air Cleaner Filter Replacement. Front
Wheel Bearing Repack (2WD only) (or at each brake
relining, whichever occurs first).
Transmission Service (severe conditions only).
Drive Belt Inspection. Fuel
Tank, Cap and
Lines Inspection.
Inspection. Spark Plug Replacement. Positive
Crankcase Ventilation (PCV) Valve Inspection.
Every 150,000 Miles (240 000 km): Cooling System
Service
(or every 60 months. whichever occurs first).
Every 50,000 NIiles (83 000 km): Automatic
Every 60,000 Miles (100 000 km): Engine Accessory
Every 100,000 Miles (166 000 km): Spark Plug Wire
7-6

Short TripKity Maintenance Schedule
48,000 Miles (80 000 km)
0 Change engine oil and filter (or every
3 months. whichever occurs first).
An Emixxio~/ Corltd ScJr\,ic*c..
El Lubricate chassis components (or every
3 months, whichever occurs first).
(See footnote
#.)
0 Check rear/f~-ont axle fluid level and add
fluid as needed. Check constant velocity
joints and axle seals for leaking.
(See footnote
-I*-:*.)
0 Rotate tires. See "Tire Inspection and
Rotation"
in the Index for proper rotation
pattern and additional information.
(See footnote
+.)
.. .,
DATE SERVICED BY ACTUAI, MILEAGE
50,000 Miles (83 000 km)
c] Change automatic transmission fluid and
filter
if the vehicle is mainly driven under
one
or more of these conditions:
- In heavy city traffic where the outside
temperature regularly reaches
90" F
(32°C) 01- higher.
- In hilly or mountainous terrain.
- When doing frequent trailer towing.
- Uses such as found in taxi. police or
delivery service.
(Continued)

I Short TripKity Maintenance Schedule I
99,OP‘ “fles (165 000 km)
0 Change engine oil and filter (or every
3 months, whichever occurs first).
AH Emissiotl Control Sc-’t*vic*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)
DATE SERVICED BY ACTUAL MILEAGE
100,000 Miles (1 66 000 kin)
0 Inspect spark plug wires.
AI] E1uissiorl Cmd Sewic*o.
0 Replace spark plugs.
0 Change automatic transmission fluid and
filter
if the vehicle is mainly driven under
one or more
of these conditions:
- In heavy city traffic where the outside
temperature regularly reaches
90 O F
(32°C) or higher.
Au Emissio~~ Co~1trol Serl7ic-e.
- In hilly or mountainous terrain.
7-28

I Long Tripmighway Maintenance Schedule I
50,000 Miles (83 000 km)
0 Change automatic transmission fluid and
filter
if the vehicle is mainly driven under
one or more of these conditions:
- In heavy city traffic where the outside
temperature regularly reaches
90 O F
(32°C) or higher.
- In hilly or mountainous terrain.
- When'doing frequent trailer towing.
- Uses such as found in taxi, police or
delivery service.
If you do not use your vehicle under any of
these conditions, the fluid and filter do not
require changing.
Manual transmission fluid doesn't
require change.
DATE ACTUAL MILEAGE SERVICED BY
7-37

I Long Tripmighway Maintenance Schedule
97,500 Miles (162 500 km)
0 Change engine oil and filter (or every
12 months, whichever occurs first).
0 Lubricate chassis components (or every
I2 montl1s, 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 fiwtnote
’?)
0 Rotate tires. See “Tire Inspection and
Rotation”
in the Index for proper rotation
pattern
and additional inforrnation.
(See footnote
+.)
AH E111issio/l Control Sol-~~ic.o.
DATE SI 100,000 Miles (166 000 km)
Change automatic transmission fluid and
fi1te.r
if the vehicle is mainly driven under
one
or more of these conditions:
- In heavy city traffic where the outside
temperature regularly reaches
90” F
(32OC) or higher.
- In hilly or nlountainous terrain.
- When doing frequent trailer towing.
- Uses such as found in taxi, police or
delivery service.
7-44

At Least Twice a Year Automatic Transmission Check
Check the transmission fluid level: add if needed. See
"Automatic Transmission"
in the Index. A fluid loss
may indicate
a problem. Check the system and repair
if needed.
Restraint System Check
Make sure the safety belt reminder light and all your
belts. buckles, latch plates, retractors and anchorages are
working properly. Look
for any other loose or damaged
safety belt system parts.
If you see anything that might
keep
a safety belt system from doing its .job, have it
repaired. Have any torn or frayed safety belts replaced.
Also
look. for any c.)pened or broken air bag covers, and
have them repaired or replaced. (The air
bag system
does not need regular maintenance.)
Wiper Blade Check
Inspect wiper blades for ~vear or cracking. Replace blade
inserts that appear worn or damaged or that streak or
miss areas of the windshield.
Also see "Wiper Blades.
Cleaning"
in the Index.
Manual Transmission Check
Check the transmission fluid level; add if needed. See
"Manual Transmission"
in the Index. Check for leaks.
A fluid loss ITI~~ indicate a problem. Have the system
inspected and repaired
if needed.
Hydraulic Clutch System Check
Check the fluid level in the clutch reservoir. See
"Hydraulic Clutch Fluid" in the Index. A fluid loss in
this system could indicate a problem. Have the system
inspected and repaired at once.
At Least Once a Year
Key Lock Cylinders Service
Lubricate the key lock cylinders with the lubricant
specified
in Part D.
Body Lubrication Service
Lubricate all body door and fuel door hinges, rear
compartment hinges, latches and locks including the
moving seat hardware. Lubricate the hood safety lever
pivot and prop rod pivot. Part
D tells you what to use.
More frequent lubrication
may be required when
exposed to a corrosive environment.
t (rlove box, console doors and the body hood and any
7-47

Starter Switch Check
CAUTION:
-- - !
When you are doing this check, the vehicle could
nlove suddenly.
If it does, you or others could be
injured.
Follow the steps below. Brake-Transmission Shift Interlock (BTSI)
Check
(Automatic Transmission)
1. Before you start, be sure you have enough room
around the vehicle.
2. Firmly apply both the parking brake (see "Parking
B~-ake"
in the Index if necessary) and the regular lmke.
NOTE: Do not use the accelerator pedal. and be
ready
to turn off the engine immediately if it skirts.
3. On automatic transmission vehicles. try to start the
engine
in each gear. The starter should work only in
PARK (P) or NEUTRAL (N). If the starter works in
any other position, your vehicle needs service.
On lnanual transmission vehicles, put the
shift lcvcr
in NEUTRAL (N), push the cl~ltch down half\1;ay
and try to start the engine. The starter should work
only when the clutch
is pushed down all the way to
the floor. If the starter works when the clutch isn.1
pushed all the way down. your vehicle needs service.
I A CAUTI-N:
- --
When you are doing this check, the vehicle could
move suddenly.
If it does, you or others could be
injured.
Follow the steps below.
1.
2.
3.
Before you start, be sure yo~l have enough room
around the vehicle.
It should be parked on a
level s~~ri-~xe,
Firmly apply the parking brake (see "Parking Brake"
in the Index if necessary).
NOTE: Be ready to apply the regular brake
immediately
if the vehicle begins to move.
With thc engine off. turn the key to
the RUN
position, but don't start the engine. Without applying
the regular brake, try to move the shift lever out of
PARK
(P) with normal effort. If the shift lever
moves
out of PARK (P). your vehicle's BTSI
ntxds service.
7-48

Ignition Transmission Lock Check While parked, and with
the parking brake set, try to turn
the ignition key to LOCK
in ex11 shift lever position.
0 With an automatic transmission. the key should turn
to LOCK only when the shift lever is in PARK (P).
With a manual transmission, the key should turn to
LOCK only when the shift lever is in REVERSE (R).
On vehicles with a key release button, try to turn the key
to LOCK witl~out pressing the button. The key should
turn
to LOCK only when you press the key button.
On all ve.hicles, the key should come out only in LOCK. Parking Brake and Automatic Transmission
PARK
(P) Mechanism Check
CAUTION:
--
When you are doing this check, your vehicle
could begin to move.
You or others could be
injured and property could be damaged. Make
sure there
is room in front of your vehicle in case
it begins to roll. Be ready to apply the regular
brake at once should the vehicle begin
to move.
Park
on a fairly steep hill. with the vehicle facing
downhill. Keeping your
foot on the regular brake. set the
parki ng brake.
e To check the parking brake's holding ability:
With the engine running and transmission
in
NEUTRAL (N). slowly remove foot pressure from
the regular brake pedal. Do this until the vehicle is
held by the parking brake only.
e To check the PARK (P) meohanisrn's holding ability:
With the engine running, shift to PARK (P). Then
release
al I brakes.
7-49