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Mazda CX-9 Grand Touring. Manual - part 591

WHEEL BALANCE ADJUSTMENT (ALUMINUM ALLOY WHEEL)

ADHESIVE-TYPE BALANCE WEIGHT (OUTER)

1. Remove the old balance weight from the wheel.

2. Remove the double-sided adhesive tape remaining on the wheel, then clean and degrease the bonding

area.

3. Set the wheel on a wheel balancer, measure the amount of unbalance and the position with the mode set

for knock-type balance weight.

4. Multiply the amount of unbalance by 1.6 to get the balance weight value.

5. Select a balance weight closest to the weight value and attach the balance weight on the position (outer)

indicated by the wheel balancer.

Example calculation of balance weight value Indicated amount of unbalance: 23 g {0.81 oz}

23 g {0.81 oz}x1.6 = 36.8 g {1.30 oz}

Selected balance weight value: 35 g {1.24 oz}

Fig. 1: Identifying Adhesive-Type Balance Weight (Outer)
Courtesy of MAZDA MOTORS CORP.

Temporary spare
tire

Wheel

Material

Steel

Wheel offset

(mm {in})

40 {1.57}

45 {1.8}

Wheel pitch circle
diameter

(mm {in})

114.3 {4.5}

Wheel and tire runout

Lateral direction

2.0 {0.08}

(mm {in}) Radial direction

1.5 {0.06}

Wheel nut tightening torque

(N.m {kgf.m,

ft.bf})

107.8-147.0 {11.0-14.9, 79.6-

108.4}

CAUTION:



Adjust the outer wheel balance first, then the inner wheel balance.



Be careful not to scratch the wheels.

2008 Mazda CX-9 Grand Touring

2008 SUSPENSION Wheels and Tires - Mazda CX-9

Microsoft

Sunday, November 15, 2009 10:26:54 AM

Page 2

6. If attaching 2 balance weights, position them so that each is on either side of the position indicated by the

wheel balancer.

KNOCK-TYPE BALANCE WEIGHT (INNER)

1. Measure the amount of unbalance with a wheel balancer.

2. Attach a balance weight corresponding to the measured weight value on the position (inner) indicated by

NOTE:



When selecting a balance weight, select one closest to the calculated
value.

Example: 32.4 g {1.14 oz}= 30 g {1.06 oz}, 32.5 g {1.15 oz}= 35 g {1.24
oz}

CAUTION:



Use a genuine balance weight or equivalent (steel).



When attaching the weight balance, press the balance weight
with a force of 25 N {2.5 kgf, 5.5 lbf} per 5 g {0.17 oz} for 2
seconds or more.

CAUTION:



Do not attach weight balances in a row.



Do not overlap the balance weights.



Total weight must not exceed 160g {5.65 oz}.

Fig. 2: Locating Wheel Balancer Position
Courtesy of MAZDA MOTORS CORP.

2008 Mazda CX-9 Grand Touring

2008 SUSPENSION Wheels and Tires - Mazda CX-9

Microsoft

Sunday, November 15, 2009 10:26:54 AM

Page 3

the wheel balancer.

REMAINING AMOUNT OF UNBALANCE CONFIRMATION

1. After installing the outer and inner balance weights, operate the wheel balancer again.

2. Confirm that the remaining unbalance does not exceed following on either side.

Standard

WHEEL SPECIFICATIONS

TIRE PRESSURE ADJUSTMENT (WITH TPMS)

1. Use of a digital gauge is recommended for accurate measurement of the air pressure.

2. Tire pressure lowers gradually as time passes. Due to this, monthly air pressure inspection is

recommended.

3. Perform tire pressure adjustment before driving. (When tires are cold.)



Tire pressure will increase after driving because the internal temperature of the tire is high. If tire
pressure is adjusted to specifications when the internal temperature of the tire is high, tire pressure
will decrease when the internal temperature of the tire decreases to the same level as ambient
temperature. If the tire pressure is lower than the lower-limit pressure, the TPMS warning light may
illuminate.



Even though the air pressure is adjusted to specifications, the indicated air pressure may be higher
than the specified value when the internal temperature of the tire is higher than ambient

CAUTION:



Do not attach 3 or more balance weights.



One balance weight must not exceed 60g {2.12 oz}, and a total
of 2 balance weights must not exceed 100g {3.53 oz}.

Fig. 3: Locating Wheel Balance Position
Courtesy of MAZDA MOTORS CORP.

Outer

Inner

18 inch wheel 10 g {0.35 oz} 6 g {0.21 oz}
20 inch wheel 6 g {0.21 oz} 4g {0.14 oz}

2008 Mazda CX-9 Grand Touring

2008 SUSPENSION Wheels and Tires - Mazda CX-9

Microsoft

Sunday, November 15, 2009 10:26:54 AM

Page 4

temperature. (Example: Air pressure changes approx. 10 kPa {0.1 kgf/cm

, 1.5 psi} when the

temperature changes 10 °C {18 °F})

WHEEL UNIT ID REGISTRATION

USING M-MDS

1. After the vehicle is identified, select the following items from the initialization screen of the M-MDS.



This function is available for only the IDS (notebook PC).

CAUTION:



In an area or a season with varying temperatures, tire
pressure will change due to ambient temperature change.
If the tire pressure is lower than the lower-limit pressure
due to low ambient temperature, the TPMS warning light
may illuminate. Adjust the pressure when the TPMS
warning light illuminates.



Do not tilt or use excessive side force when checking air
pressure or inflating the tire with air. Which can provide
enough leverage to easily bend or break the wheel unit.



To prevent damage to the valve area of the wheel unit or
pressure loss during air pressure adjustment, use a type B
tool with a round end as shown in the figure, not a type A
tool.

Fig. 4: Identifying Air Pressure Adjustment Tool Types
Courtesy of MAZDA MOTORS CORP.

NOTE:



After the wheel unit replacement, registration of the wheel unit
identification codes must be performed.



ID registration can be done using the M-MDS, or not using the M-MDS.

2008 Mazda CX-9 Grand Touring

2008 SUSPENSION Wheels and Tires - Mazda CX-9

Microsoft

Sunday, November 15, 2009 10:26:54 AM

Page 5

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