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1999 Ford Explorer XL 4.0L Timing Chains
Posted to Ford Engine on 5/3/2005 3 Replies

Hi Group;

This thing came in with a rattle on cold start up that lasted until the engine warmed up and then once hot the rear chain rattled at idle. We removed the engine and upon tear down found the oil pump chain tensioner broken and the jackshaft tensioner...

FIX posted 6/15/2005

3 Replies Received (View Replies)

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1999 Ford Explorer XL

Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
AffectedTiming Chains
ConditionsNoisey @Idle Hot