1994 CHEVROLET BLAZER engine coolant

Downloaded from www.Manualslib.com manuals search engine If the differential is cold, add enough lubricant to raise the level to 1/2 inch
(12 mm) below the filler plug hole.
What to use
Refer to the Maintenance Schedule to determine what kind of lubricant to
use.
See “Recommended Fluids and Lubricants” in the Index.
Engine Coolanr
The following explains your cooling system and how to add coolant when it
is
low. If you have a problem with engine overheating, see “Engine
Overheating” in the Index.
The proper coolant for your vehicle will:
0 Give freezing protection down to -20 “F (-29”C), or -34°F (-37°C) in
Give boiling protection up to 258°F (125°C).
Canada
and for
vehicles with the cold climate option.
0 Protect against rust and corrosion.
Help keep the proper engine temperature.
0 Let the warning lights and gages work as they should.
What to Use
Use a mixture of one-half clean water (preferably distilled) and one-half
antifreeze that meets “GM Specification 6038-M,” which won’t damage
aluminum parts.
You can use a recycled coolant conforming to “GM
Specification 6038-M,” with a complete coolant flush and refill. If you use
this mixture, you don’t need to add anything else.
6-23

Downloaded from www.Manualslib.com manuals search engine I NOTICE:
If you use an improper coolant mix, your engine could overheat
and be badly damaged. The repair cost wouldn’t be covered by
your warranty.
Too much water in the mix can freeze and crack
the engine, radiator, heater core and other parts.
Some conditions, such as air trapped in the cooling system, can affect the
coolant level in the radiator. Check the coolant level when the engine
is cold
and follow the steps under “Adding Coolant” for
the proper way to add
coolant.
If you have to add coolant more than four times a year, have your dealer
check your cooling system.
NOTICE:
If you use the proper coolant, you don’t have to add extra
inhibitors or additives which claim to improve the system. These
can be harmful.
Adding Coolant
To Check Coolant
When your engine is cold, the coolant level should be at “ADD,” or a little
higher. When your engine
is warm, the level should be up to “FULL HOT,”
or a little higher.
To Add Coolant
If you need more
coolant, add the
proper mix
at the
coolant recovery tank.
6-24

Downloaded from www.Manualslib.com manuals search engine Add coolant mix at the recovery tank, but be careful not to spill it.
Radiator Pressure Cap
NOTICE:
Your radiator cap is a 15 psi (105 kPa) pressure-type cap and
must be tightly installed to prevent coolant
loss and possible
engine damage from overheating.
Be sure the arrows on the cap
line
up with the overflow tube on the radiator filler neck.
When you replace
your radiator pressure
cap, an
AP cap is
recommended. See
“Service Replacement
Part and Filter
Recommendations” in
the Index.
6-25

Downloaded from www.Manualslib.com manuals search engine Thermostat
Engine coolant temperature is controlled by a thermostat in the engine
coolant system. The thermostat stops the flow
of coolant through the
radiator until the coolant reaches
a preset temperature.
When you replace your thermostat, an
AC@ thermostat is recommended.
Power Steering Fluid
NOTICE:
Always turn the engine off before checking or adding power
steering fluid. The power steering cap is close to the fan and
other moving parts.
P
i
Unscrew the cap and
wipe the dipstick with
a clean rag. Replace
the cap and
completely tighten it.
Then remove the cap
again and look at the
fluid level on the
dipstick.
0 When the engine compartment is hot, the level should be at the “HOT”
mark.
6-26

Downloaded from www.Manualslib.com manuals search engine Explanation Of Scheduled Maintenance Services
Below are explanations of the services listed in the maintenance charts.
The proper fluids and lubricants to use are listed in this section. Make sure
whoever services your vehicle
uses these. All parts should be replaced and
all necessary repairs done before you or anyone else drives the vehicle.
1.
2.
3.
4.
5.
ENGINE OIL AND OIL FILTER CHANGE* - ALWAYS USE
API SERVICE SH OR SG ENERGY CONSERVING I1 OILS OF THE
PROPER VISCOSITY. The “SH” or “SG” designation may be shown
alone or in combination with others, such as “SHKD”, or
“SH, SG,
CD,” or “SG/CD”, etc.
To determine the preferred viscosity oil for your
vehicle’s engine (e.g. SAE
5W-30), see “Engine Oil” in the Index.
CHASSIS LUBRICATION - Lubricate the front suspension, ball
joint, steering linkage, and transfer case shift linkage, parking brake
cable guides, propshaft splines, universal joints, brake pedal springs,
and clutch pedal springs at the intervals specified on the proper
maintenance schedule, or at every engine oil change, whichever comes
first.
Ball joints should
not be lubricated unless their temperature is 10°F
(-12°C) or higher. When the weather is cold, let them warm up before
lubricating them
or they could be damaged.
Also, be sure to check all the vehicle fluid levels at this time.
COOLING SYSTEM SERVICE* - Drain, flush and refill the
system with new or approved recycled coolant conforming to “GM
Specification
603%”’. See “Engine Coolant” in the Index for the
proper coolant and mixture to use in your vehicle.
Also inspect
the hoses and replace them if they are cracked, swollen, or
deteriorated. Clean the outside of the radiator and air conditioning
condenser. Wash the radiator neck. To ensure proper operation,
pressure test the radiator and cap.
AIR CLEANER FILTER REPLACEMENT” - Replace at
specified intervals. Ask your dealer for the proper replacement
intervals for your driving conditions.
FRONT WHEEL BEARING REPACK (2-WHEEL DRIVE
ONLY) - Clean and repack the front wheel bearings at each brake
relining,
or at the specified interval, whichever comes first.
*An Emission Control Service
7-7

Downloaded from www.Manualslib.com manuals search engine Recommended Fluids & Lubricants
NOTE: Fluids and lubricants identified below by name, part number or
specification may be obtained from your GM Dealer.
USAGE
Engine Oil
Engine Coolant
Hydraulic Clutch System
Hydraulic Brake Systems
Parking Brake Cable Power Steering System
Manual Steering Gear
Automatic Transmission
5-Speed Manual Transmission
(RPO MY2)
FLUIDLUBRICANT
API service SH or SG Energy
Conserving
I1 oils of the proper
viscosity. The “SH” or
“SG’
designation may be shown alone or
in combination with others, such as
“SH/CD”, or “SH, SG, CD,”
or
“SG/CD”, etc. To determine the
preferred viscosity oil for your
vehicle’s engine (e.g.
SAE 5W-30),
see “Engine Oil”
in the Index.
Mixture of water and
a good quality
ethylene glycol base antifreeze or
an approved recycled coolant
conforming to GM Spectification
GM-6038-M (GM Part
No. 1052 103).
Hydraulic Clutch Fluid (GM Part
No. 12345347 or equivalent).
Delco Supreme
1 1 @ brake fluid
(GM Part No. 1052535 or DOT-3).
Chassis lubricant meeting
requirements
of NLGI Grade 2,
Catagory
LiIl or GC-LB or
(GM Part No. 1052497).
GM Power Steering Fluid (GM Part
No. 1052884) or equivalent.
GM Lubricant (GM Part
No. 1052182) or equivalent.
DEXRON
@-I11 (preferred) or
DEXRON @-IIE Automatic
Transmission Fluid.
Synchromesh Transmission Fluid
(GM Part
No. 12345349).
7- 13

Downloaded from www.Manualslib.com manuals search engine Service Station Checks
It is important for you or a service station attendant to perform these
under-hood checks at each fuel fill.
Check the engine oil level and add if necessary.
Check the engine coolant level and add if necessary.
Check the windshield washer fluid level and add if necessary.
See the Index under these items
for information on how to check them.
7-17

Downloaded from www.Manualslib.com manuals search engine Hood Release
Lever
See Page 6-6.
Remote
Oil Filter
See Page 6-13.
Power Steering
Reservoir
See Page 6-26.
Windshield -
Washer Fluid
See Page 6-28.
/ Brake Fluid
reservoir
See Page 6-29.
/
Clutch Fluid -
Reservoir
See Page 6-20.
Spare Tire
Pressure
Located on left
rear wall, endgat
3r floor.
See Page 6-42.
Battery
The Delco
Freedom battery
needs no water.
See Page 6-31.
,Cooling System
Check and add
coolant
only at
the coolant recovery tank.
See Page 6-23.
Engine Oil
See Page 6-8.
Transmission
Fluid
Automatic:
See Page 6-15.
Manual:
See Page 6-18.
/ Zacity 20 U.S.
Gal. (76.0L. Use
only, 87 Octane
or higher.
See Page 6-3.
Cold Tire
Pressure
See tire-loading
sticker
on the
inside
of the
rear edge
of
the driver's door
lock pillar.
See Page 6-39.
7-18