engine noise on 2004 Ford Explorer

barely running ,engine noise in top end ,pulled intake & vale covers, when I trun engine over ,it locks up at one point,timeing chain on pass side gets tight then loose---should repair be tried or replaced, I understand special tools needed for cams

Asked by for the 2004 Ford Explorer
These Engines do wear out the Timing Chains and depending on the exact type of 4.0 V6, there may be 2 chain sets. Only real repair is to replace them with new good quality chains and guides.

here is repair info site with online manuals

http://bit.ly/mitchell_repair_manuals_online
1 answer