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Fig. 488: Measuring Inner Oil Pump Gear Tip Clearance 1. Clean all parts of sludge, oil and varnish by soaking in carburetor cleaner or cleaning solvent. 2. Inspect for foreign material and determine the source of the foreign material. 3. Inspect the oil pump housing and engine front cover for the following conditions: Cracks or casting imperfections Scoring
2007 Hummer H3 2007 ENGINE Engine Mechanical - 3.7L - H3
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