Classics Monthly - - Our Cars -

1 Af­ter sort­ing out the cold start idle prob­lem, the fan belt started screech­ing while the en­gine warmed up. It only needs a small amount of slack to make the belt slip, es­pe­cially if the al­ter­na­tor is work­ing un­der load with the head­lights on.

2 The bolt se­cur­ing the al­ter­na­tor’s slid­ing ad­juster just needed un­do­ing a small amount. A lit­tle bit of re­sis­tance helps stop the al­ter­na­tor slip­ping back when tight­en­ing the mount­ing bolts hold­ing it to the en­gine block.

3 It may look bru­tal, but us­ing a long lever to take the weight of the al­ter­na­tor while tight­en­ing the bolts up helps keep the belt tight. Be­fore do­ing this it’s best to have the lower mount­ing bolts pinch tight.

4 Af­ter all the bolts are done up, make sure the fan belt still has a small amount of slack in its long­est run. If the belt is too tight, the bear­ings in the wa­ter­pump and al­ter­na­tor will be put un­der too much pres­sure and will even­tu­ally fail.

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