A4_1.8 TFSi (CJEB)/2.0 TFSi (CNCD) Timing chain — AUDI

🧭 Before you start

Fits: platform codes 1.8, TFSI, |, 2.0

• Opens: engine oil
• Timing position: the crankshaft or camshaft is set and locked during this job
• Special tools named: locking tool, locking pin

Don't miss

• Never turn the engine in the direction opposite to that of normal operation
• With the coloured link(s) in line with the punched mark(s) on the gearwheel(s)
• Do not rotate the crankshaft

🔧 Engine codes this applies to

📋 Procedure

Preparation and removal

1. Never turn the engine in the direction opposite to that of normal operation
2. Always use new gaskets
3. Camshaft gearwheel locking tool:
4. Check that cylinder 1 is still at TDC
5. Locking tool:

6. Remove the front bumper
7. With the coloured link(s) in line with the punched mark(s) on the gearwheel(s)
8. Lever(s):
9. Remove the dipstick tube
10. Temporarily fit the crankshaft pulley bolt and spacer
11. Note: Left-hand thread
12. Remove the exhaust camshaft timing adjuster
13. Turn the crankshaft to TDC for cylinder 1
14. Turn the crankshaft clockwise to align the timing marks
15. Use the special tool
16. Drain the engine oil
17. Remove the crankshaft pulley
18. Note: Do not rotate the crankshaft
19. Use a special tool to hold the crankshaft pulley
20. Temporarily fit the crankshaft pulley bolt and spacer
21. Remove the timing chain cover
22. Removal sequence:
23. Clean off the old sealant
24. Move the tensioner to the slack position
25. Lock the chain tensioner with a locking pin
26. Remove the oil pump chain tensioner
27. Remove the oil pump chain
28. Remove the bolts shown
29. Fit the special tool:
30. Lock the exhaust camshaft gearwheel
31. Remove the chain guide rails
32. Remove the oil pump chain
33. Remove the timing chain together with the crankshaft gearwheel
34. Remove the inlet camshaft locking tool
35. Remove the chain tensioner
36. Remove the balance shaft chain tensioner
37. Remove the balance shaft chain guide rails
38. Remove the balance shaft chain
39. Remove the crankshaft gearwheel

Installation and checks

40. Refit the balance shaft chain tensioner
41. Use new bolt(s)
42. Stage 1:
43. Stage 2:
44. Unlock the tensioner
45. Slowly compress the tensioner
46. Fit the special tool
47. Remove the special tool
48. Fit the timing chain onto the exhaust camshaft gearwheel
49. Fit the timing chain onto the crankshaft gearwheel
50. Refit the chain guide rail
51. Refit the timing chain upper guide rail
52. Slowly turn the exhaust camshaft anti-clockwise
53. Remove the exhaust camshaft locking tool
54. Refit the chain tensioner rail
55. Refit the oil pump chain
56. Refit the oil pump chain tensioner
57. Release the tensioner
58. Refit the bolts shown
59. Refit the camshaft hub
60. Use new bolt(s)
61. Stage 1:
62. Stage 2:
63. Remove the tensioner locking tool
64. Refit the inlet camshaft timing adjuster
65. Note: Left-hand thread
66. Use the special tool
67. Refit the exhaust camshaft timing adjuster
68. Note: Left-hand thread
69. Use the special tool
70. Turn the engine 2 rotations clockwise
71. Check the valve timing
72. Proceed as follows:
73. Turn the crankshaft to TDC for cylinder 1
74. Check the timing marks
75. Remove the spark plug for cylinder 1
76. Fit the special tools
77. Slowly turn the crankshaft clockwise
78. Check that the indicator is in the correct position
79. Check the timing marks
80. Type 1:
81. Measure the distance:
82. Correct value:
83. Type 2:
84. Measure the distance:
85. Correct value:
86. Type 1:
87. Number of bolts:
88. Refit the chain
89. Stage 2:
90. Type 2:
91. Number of bolts:
92. Fit the timing chain lower cover
93. Note: Use new bolts
94. Type 1:
95. Type 2:
96. Number of bolts:
97. Stage 2:
98. Crankshaft pulley
99. Stage 1:
100. Stage 2:
101. Refit all other parts in the reverse order of removal

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