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Home >> Nissan-Datsun >> 2009 >> Murano LE >> Repair and Diagnosis >> Drivelines & Axles >> Driveshaft & Universal Joints >> Transfer Case, Rear Propeller Shaft & Rear Final Drive >> Transfer: TY20A >> Disassembly And Assembly >> Drive Pinion >> Adjustment >> Selecting Adjusting Shim

Selecting Adjusting Shim

Fig 1: Identifying Shim Measurement Point
G05892808Courtesy of NISSAN MOTOR CO., U.S.A.

Gear Ring Bearing Adjusting Shim (Transfer Case Side) 

  1. Measure F, H, I, R and U shown in the measurement points.
  2. Convert the values F, H, I, R and U according to the standards below.

    F: Value obtained by subtracting 163.00 mm (6.42 in) from the reading [in increments of 0.01 mm (0.0004 in)]. 

    H: Value obtained by subtracting 83.00 mm (3.268 in) from the reading [in increments of 0.01 mm (0.0004 in)]. 

    I: Value obtained by subtracting 131.90 mm (5.19 in) from the reading [in increments of 0.01 mm (0.0004 in)]. 

    R: Value obtained by subtracting 17.00 mm (0.6693 in) from the reading [in increments of 0.01 mm (0.0004 in)]. 

    U: Value obtained by subtracting 89.50 mm (3.5236 in) from the reading [in increments of 0.01 mm (0.0004 in)]. 

  3. Check dimension Z on the drive gear side face.
    NOTE: Dimension Z indicates the difference between the optimum engagement and the standard dimensions in increments of 0.01 mm (0.0004 in) written on the drive gear side face.
  4. Use the formula below to calculate gear ring bearing adjusting shim (transfer case side) thickness T1.

    T1 = (I - F + H + Z - U - R) x 0.01 mm (0.0004 in) + 1.49 mm (0.0587 in) 

  5. Select the gear ring bearing adjusting shim (transfer case side).
CAUTION:
  • Only one adjusting shim can be selected.
  • If no adjusting shim with the calculated value is available, select the thicker and closest one.

Gear Ring Bearing Adjusting Shim (Adapter Case Side) 

  1. Measure F, H, J, K, U and V shown in the measurement points.
  2. Convert the values F, H, J, K, U and V according to the standards below.

    F: Value obtained by subtracting 163.00 mm (6.42 in) from the reading [in increments of 0.01 mm (0.0004 in)]. 

    H: Value obtained by subtracting 83.00 mm (3.268 in) from the reading [in increments of 0.01 mm (0.0004 in)]. 

    J: Value obtained by subtracting 109.50 mm (4.31 in) from the reading [in increments of 0.01 mm (0.0004 in)]. 

    K: Value obtained by subtracting 14.40 mm (0.5669 in) from the reading [in increments of 0.01 mm (0.0004 in)]. 

    U: Value obtained by subtracting 89.50 mm (3.5236 in) from the reading [in increments of 0.01 mm (0.0004 in)]. 

    V: Value obtained by subtracting 17.00 mm (0.6693 in) from the reading [in increments of 0.01 mm (0.0004 in)]. 

  3. Check dimension Z on the drive gear side face.
    NOTE: Dimension Z indicates the difference between the optimum engagement and the standard dimensions in increments of 0.01 mm (0.0004 in) written on the drive gear side face.
  4. Use the formula below to calculate gear ring bearing adjusting shim (adapter case side) thickness T2.

    T2 = (K + F - H - Z + U - J - V) x 0.01 mm (0.0004 in) + 1.49 mm (0.0587 in) 

  5. Select the gear ring bearing adjusting shim (adapter case side).
CAUTION:
  • Only one adjusting shim can be selected.
  • If no adjusting shim with the calculated value is available, select the thicker and closest one.

Pinion Sleeve Shim 

  1. Measure L, N and Q shown in the measurement points.
  2. Check the dimension S written on the gear end of the drive pinion.
    NOTE: The dimension S indicates the difference between the optimum engagement and the standard dimensions in increments of 0.01 mm (0.0004 in) written on the gear end of the drive pinion.
  3. Use the formula below to calculate pinion sleeve shim thickness T3.

    T3 = [74.6 mm (2.937 in) + S] + N + Q - L 

  4. Select the pinion sleeve shim.
CAUTION: Only one pinion sleeve shim can be selected.
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