Kia Carens. Manual — part 40

Intake valve : 0.0019~0.0023in (0.05~0.0023in (0.05~0.060mm)
Exhaust valve : 0.0012~0.0025in (0.030~0.065mm)
Max : 0.008in (0.20mm)

7. If clearance exceeds specification, replace valve and or valve guide.

8. Measure protrusion height of each valve guide.

Replace valve guide as needed.

(A) : Intake : 0.539~0.536in (13.7~14.3mm)
(B) : Exhaust : 0.658~0.681in (16.7~17.3mm)

Intake and exhaust valve guides are different. Be sure to use correct valve guide.

Valve seat

1. Inspect contact surface of each valve seat and valve face for following :

A. Roughness
B. Damage

C. Pitting
D. Cracks

2. Resurface valve seats with a 45° valve seat cutter.

Resurface valve faces as needed.

3. Apply a coat of Dychem blue to valve face and valve seat amd allow to dry.

4. Inspect valve seating by pressing valve against seat and rotating valve 360°.

A. If Dychem blue is not removed 360° around valve face, replace valve.
B. If Dychem blue is not rempoved 360° around valve seat resurface valve seat.

5. Measure seat contact width.

Width : 0.078~1.059in (1.98~2.69mm)

6. Check that seat contact area is at center of valve face.

A. If valve seating position is too high, correct valve seat with a 63° valve seat cutter, and a 45° cutter.
B. If seating position is too low correct valve seat with a 0° and a 45° cutter.

7. Complete seat-cutting process by lapping valve to seat using valve lapping compound.

8. Inspect valve seat for sinking.

Clean valves thoroughly before reassembly and insure that all traces of lapping compound has been
removed.

9. Check for valve sink by measuring protruding length (Dimension L) of valve stem to lower valve spring seat.

Dimension L measurement

Action

IN : 1.432~1.467in (36.37~37.27mm)
EX : 1.431~1.467in (36.36~37.26mm)

No correction needed

IN : 1.467~1.495in (37.27~37.97mm)
EX : 1.467~1.494in (37.26~37.96mm)

Adjust with washer on spring seat area of cylinder
head

IN : 1.495in (37.97mm)
EX : 1.494in (37.96mm)

Replace the cylinder head

Valve spring

1. Inspect each valve spring fpr cracks and damage.

2. Measure free length and out-of-square. Replace valve spring as needed.

Free length : 1.77in (44.92mm)
Out-of-square : 0.0618in (1.57mm) maximum

Camshaft

1. Set front and rear camshaft bearing journals on V-blocks.

2. Position a dial indicator on center bearing journal and zero dial.

3. Rotate camshaft if V-blocks and check runout.

Runout : 0.0012in (0.03mm) maximum

4. Check camshaft for even wear patterns, cracks, or damage.

5. Measure cam lobe heights at two points as shown.

Lobe height
Intake : 1.6415in (41.6949mm)
Exhaust : 1.6629in (42.2369mm)

6. Check camshaft bearing journal diameter (X and Y directions) on both sides (A and B) of journal as shown

in figure.

Standard diameter : 1.0606~1.0616in (26.940~26.965mm)
Minimum diameter : 1.0594in (26.910mm)
Out-of-round : 0.002in (0.05mm) maximum

7. Replace camshaft if necessary.

8. Measure camshaft journal oil clearance with HLA's removed.

9. Remove all foreign material and oil from journals and bearing surfaces.

10. Set camshafts onto cylinder head.

11. Position Plastigage® on journals in axial direction.

12. Do not rotate camshafts.

13. Install camshaft caps according to cap number and arrow mark.

14. Install cap bolts. Tighten them in five or six steps in order shown.

Tightening torque : 8.32~10.49lb·ft (11.28~14.22N·m, 1.15~1.45kg-m)