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Refitting. Install a service bolt through the sub-gear and thread it into the main gear (arrowed)




Inspection

Install a service bolt through the sub-gear and thread it into the main gear (arrowed)

clamping it on the hexagon section. Using a two-pin spanner, rotate the sub-gear clockwise and remove the service bolt from the threaded hole, then allow the sub-gear to rotate back until all tension is relieved (see illustration 10.12).

 

53 Remove the sub-gear circlip (see illus-tration 10.13a). The wave washer, sub-gearand camshaft gear spring can now be removed from the camshaft (see illustration 10.13b).

 

 

54 Follow the instructions given in para-graphs 14 to 16.

 

 

55 Apply moly-base grease or engine assembly lube to the exhaust camshaft followers, then install them in their original locations. Make sure the valve adjustment shims are on place on the followers.

 

56 Apply moly-base grease or engine assembly lube to the exhaust camshaft lobes and bearing journals.

 

57 Position the exhaust camshaft in the cylinder head with the knock pin at approximately the 5 o'clock position (see illustration 10.47).

 

58 Apply a thin coat of RTV sealant to the outer edge of the right-hand bearing-cap-to-cylinder-head mating surface (see illustration). Note: The cap must be installedimmediately or the sealer will dry prematurely.

 

59 Install the exhaust camshaft bearing caps in numerical order with the arrows pointing toward the timing belt end of the engine.

 

60 Following the recommended tightening


 

10.47 Turn the exhaust camshaft until the knock pin is pointed at about the 5 o'clock position

sequence (see illustration), tighten trie-bearing cap bolts in 1/4-turn increments to the torque listed in this Chapter's Specifications.

 

61 Refer to Section 9 and install a new camshaft oil seal.

 

62 Reassemble the intake camshaft sub-gear. Install the camshaft gear spring, sub-gear and wave washer. Secure them with the circlip (see illustrations 10.13a and 10.13b).

 

63 Refer to paragraph 44 and install a service bolt.

 

64 Apply moly-base grease or engine assembly lube to the intake camshaft followers, then install them in their original locations. Make sure the valve adjustment shims are in place on the followers.

 

65 Apply moly-base grease or engine assembly lube to the intake camshaft lobes and bearing journals.

 

66 Rotate the exhaust camshaft until the knock pin is positioned between the 9 o'clock and 10 o'clock position (see illustration 10.47).

 

67 Align the intake camshaft gear with the exhaust camshaft gear by matching up the installation marks on the gears (see illustration).

 

Caution: There are two sets of marks. Do not use the timing marks. The camshaft installation marks are the only marks that are duplicated on both sides of the two camshaft gears.

 

68 Roll the intake camshaft down into position. Turn the exhaust camshaft back-and-forth a little until the intake camshaft sits in the bearings evenly.

 

69 Install the intake camshaft bearing caps


 

 




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