Thanks forddude, I have a bad thump or bang when I put into gear and I was told alot of good things to check from this site, but have come across a mazda with blown head gaskets and was just gona swap the rear out cause another mech. told me my rear may need shims or tightining

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1994 Ranger 4x4 super cab 4.0 EFI auto/od 3.73 limited slip

No major mods, if any