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  1. 3rd Generation Explorers | 2002-2005
    Hey, guys! 2003 Exploder 4.0L 4WD (I'm assuming it's a balance shaft motor), 182k. Engine is making noise. Sounds like the dreaded timing chain rattle. Since the timing chain tensioners are spring loaded hydraulic pistons I'm thinking of running a thicker viscosity oil and/or adding Lucas to...
  2. 3rd Generation Explorers | 2002-2005
    I have to replace the engine in a 2004 Explorer XLT 4x4, 4-door. The current engine is the V6 4.0 cast iron block. My two questions are will an aluminum block motor fit? Is there a difference between the engines in a 4x4 as opposed to the 4x2?.. Or are all 2004 v6 4.0 engines the same, cast iron...
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