Timing chain replacement: Ford Maverick 3.0 V6 (AJ)

🧭 Before you start

Fits: platform codes 3.0, DURATEC-VE, V6

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

Don't miss

• The cover must be fitted within 4 minutes of applying the sealant
• Remove the power steering pump but do not disconnect the lines

🔧 Engine codes this applies to

📋 Procedure

Preparation and removal

1. Raise the vehicle
2. Check that the position is correct as shown
3. Bolt
4. Check the camshaft gearwheel marks
5. Turn the tensioner anti-clockwise to release the tension

6. Remove the ancillary drive belt
7. Check that the position is correct as shown
8. Right-hand side
9. Remove the crankshaft pulley
10. Remove the crankshaft front radial seal
11. Stage 4:
12. To both sides
13. Remove the locking pin from the chain tensioner
14. Drain the coolant
15. Disconnect the accelerator cable from the throttle body
16. Remove the bracket
17. Disconnect the EGR tube from the EGR valve
18. Disconnect the throttle position sensor connector
19. Disconnect the idle air control connector
20. Disconnect the positive crankcase ventilation hose
21. Left-hand side
22. Remove the ignition coils
23. Disconnect the positive crankcase ventilation hose
24. Remove the valve cover
25. Disconnect the crankcase breather hose from the valve cover
26. Remove the gasket(s)
27. Lower the engine slightly
28. Disconnect the hydraulic line quick-release coupling
29. Fit a lifting eye to the engine
30. Use a lifting hook
31. Remove the engine support bracket
32. Remove the engine support bolts
33. Disconnect the crankshaft position sensor
34. Disconnect the camshaft position sensor(s)
35. Remove the power steering pump but do not disconnect the lines
36. Remove the timing cover bolts
37. Discard the gaskets
38. Remove the chain tensioner guide
39. Remove the timing chain
40. Remove the chain guide
41. Remove the chain tensioner
42. Stage 2:
43. Remove the chain guide(s)
44. Use a special tool to hold the crankshaft pulley
45. Stage 4:
46. Remove the crankshaft gearwheel

Installation and checks

47. Fit the timing chain
48. Fit the chain guide
49. Fit the timing chain
50. Stage 2:
51. Fit the chain tensioner guide
52. Check the timing
53. Refit the spark plugs
54. Note: Apply sealant before fitting
55. Refit the timing cover
56. Note: The cover must be fitted within 4 minutes of applying the sealant
57. Refit the power steering pump
58. Refit the camshaft position sensor
59. Refit the ancillary drive belt idler pulley
60. Refit the ancillary drive belt tensioner
61. Reconnect the speed control device
62. Refit the engine support bracket
63. Refit the engine support bracket bolt(s)
64. Refit the lower inlet manifold
65. Reconnect the fuel injector wiring
66. Reconnect the fuel temperature sensor
67. Connect the fuel pressure sensor
68. Refit the valve cover
69. Refit and connect the ignition coils
70. Left-hand side
71. Renew the gasket
72. Refit the valve cover
73. Refit the power steering pressure line bracket
74. Refit and connect the ignition coils
75. Reconnect the wiring loom to the inlet manifold
76. Reconnect the brake servo vacuum hose
77. Reconnect the positive crankcase ventilation hose
78. Reconnect the idle air control connector
79. Reconnect the EGR vacuum hose
80. Reconnect the throttle position sensor connector
81. Turn the crankshaft clockwise
82. Check that the position is correct as shown
83. Reconnect the accelerator cable
84. Check the camshaft gearwheel marks
85. Alternator:
86. Right-hand side
87. Refit the alternator
88. Refit the crankshaft pulley
89. Tightening sequence:
90. Left-hand side
91. Tighten the crankshaft pulley centre bolt
92. Refit the front right splash guard
93. Compress the tensioner
94. Lock the tensioner; use a locking pin
95. Reconnect the battery
96. Pressurise the system
97. Refit the fuel pump relay
98. Turn the ignition on
99. Wait for 3 seconds
100. Check for leaks
101. Start the engine
102. Check for leaks

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