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Showing results for tags 'camshaft lobes'.
Hello all, '94 Wrangler with 2.5L, about 170K+ miles ... initially running rough under load followed by loud top end noise. Found #2 intake lifter had been beaten quite a bit by the cam lobe (which was also now quite worn). No other wear found in valve train (push rod not bent) and valve not stuck. Replaced cam and lifters but less than a 100 miles later same lifter is in same condition (contact face noticeably worn from cam lobe and engine running rough under load). I should also note assembly lube was applied to the bearing surfaces, lobes and lifter faces. Ran it in at 1500 rpm fo