Repair Procedures: Inspection: Camshaft

Check the cam lobe surface for abnormal wear and damage and replace it if necessary.

Cam height: 

Intake: 37.33 mm (1.47 in)

Exhaust: 37.44 mm (1.4740 in)

Courtesy of KIA MOTORS AMERICA, INC.

1. Clean the bearing caps and camshaft journals.
2. Position the camshaft on the cam carrier.
3. Lay a strip of plastigage across each of the camshaft journal.

   Courtesy of KIA MOTORS AMERICA, INC.

4. Install the camshaft front bearing caps (A) and the intake and exhaust camshaft bearing caps (B).

   Courtesy of KIA MOTORS AMERICA, INC.

   1. Install the camshaft front bearing cap and camshaft bearing cap bolts in the forward direction of the engine in accordance with the order shown below.

      Tightening torque: 

      4.9 - 6.7 N.m (0.5 - 0.7 kgf.m, 3.6 - 5.0 lb.ft, 43.4 - 60.8 lb.in)

      Courtesy of KIA MOTORS AMERICA, INC.

   2. Install the camshaft bearing cap bolts in the forward direction of the rear of the engine according to the figure below.

      Tightening torque: 

      4.9 - 6.7 N.m (0.5 - 0.7 kgf.m, 3.6 - 5.0 lb.ft, 43.4 - 60.8 lb.in)

      Courtesy of KIA MOTORS AMERICA, INC.

   3. Install the camshaft bearing cap bolt from the rear of the engine in a forward direction as shown below.

      Tightening torque: 

      4.9 - 6.7 N.m (0.5 - 0.7 kgf.m, 3.6 - 5.0 lb.ft, 43.4 - 60.8 lb.in)

      Courtesy of KIA MOTORS AMERICA, INC.

   4. Install the camshaft front bearing cap and the camshaft bearing cap bolt in a forward direction from the rear of the engine in the sequence shown below.

      Tightening torque: 

      9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb.ft)

      Courtesy of KIA MOTORS AMERICA, INC.

   5. Install the camshaft front bearing cap and the camshaft bearing cap bolt in a forward direction from the rear of the engine in the sequence shown below.

      Tightening torque: 

      18.6 - 22.6 N.m (1.9 - 2.3 kgf.m, 13.7 - 16.6 lb.ft)

      Courtesy of KIA MOTORS AMERICA, INC.

   6. Install the camshaft bearing cap bolt from the rear of the engine in a forward direction according to the shown below.

      Tightening torque: 

      11.8 - 13.7 N.m (1.2 - 1.4 kgf.m, 8.7 - 10.1 lb.ft)

      Courtesy of KIA MOTORS AMERICA, INC.

   7. Install the camshaft bearing cap bolt from the rear of the engine in a forward direction according to the shown below.

      Tightening torque: 

      11.8 - 13.7 N.m (1.2 - 1.4 kgf.m, 8.7 - 10.1 lb.ft)

      Courtesy of KIA MOTORS AMERICA, INC.

5. Remove the camshaft bearing cap
6. Measure the plastigage at its widest point.

   If the oil clearance is greater than specification, replace the camshaft. If necessary, replace the bearing caps and cam carrier as a set.

   Camshaft bearing cap oil clearance 

   Standard: 

   No. 1 Journal: 0.040 - 0.070 mm (0.00157 - 0.00257 in)

   No. 2, 3, 4, 5 Journal: 0.035 - 0.065 mm (0.00137 - 0.00255 in)

   Courtesy of KIA MOTORS AMERICA, INC.

7. Remove the plastic gauge.
8. Remove the camshafts.

1. Install the camshaft.
2. Use a dial gauge to measure end play by moving the cam shaft axially.

   Camshaft end play 

   Standard: 

   0.10 - 0.19 mm (0.0039 - 0.0075 in.)

   Courtesy of KIA MOTORS AMERICA, INC.

   Replace the camshaft if the end play exceeds the limit. Replace the cam carrier if necessary.