Online PDF Repair Manual Download link for 1997 Buick Century
This manual is how to COLD ENGINE TICK OR RATTLE AFTER START-UP
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1997 Buick Century Limited 3.1/3.4L ENG TICK OR RATTLE AFTER COLD START UP COLD ENGINE TICK OR RATTLE AFTER START-UP (REPLACE PISTON/PIN ASSEMBLY) Mannequin(s): 1994-95 Buick Regal 1994-97 Buick Skylark 1994-ninety eight Buick Century 1994-ninety five Chevrolet Beretta Corsica, Lumina, Monte Carlo 1996-ninety eight Chevrolet Venture 1997-98 Chevrolet Malibu 1993-97 Oldsmobile Cutlass Supreme 1994-96 Oldsmobile Cutlass Ciera 1994-97 Oldsmobile Achieva 1996-ninety eight Oldsmobile Silhouette 1997-98 Oldsmobile Cutlass 1994-ninety eight Pontiac Grand Am, Grand Prix 1996-98 Pontiac Trans Sport with 3100, 3400 V6 Engine (VINs M, E – RPOs L82, LA1) CONDITION Some prospects could touch upon a ticking type noise that begins shortly after cold engine begin-up and steadily diminishes as the engine warms up. Most often, the noise is gone after five (5) minutes. In severe cases, the noise could not disappear when lhe engine is hot. CAUSE Beneath regular design tolerances when the piston pin bore is produced on the maximum tolerance and the piston pin is produced at the minimum tolerance (min-max tolerance) trace noise levels can occur. This degree of noise does not affect the reliability or sturdiness of the product. CORRECTION If piston-to-pin noise is detected and the shopper desires the situation to be corrected, replace all six pistons with pin assemblies. The brand new piston units have a minimal piston-to-pin clearance. Remember, piston-to-pin noise happens in both park and drive at engine idle rpm and it varies in depth depending on the variety of pistons involved. A ticking sound means one piston is affected whereas a rattle or diesel sort sound signifies multiple piston affected. The following must also be checked: 1. On W-Automobiles, make certain the proper aspect engine splash defend is just not contacting the engine crankshaft balancer. This condition often occurs cold and is attributable to the defend curling when cold. 2. Reference Service Bulletin fifty seven-71-06 for transmission rattle noise typically confused for engine rattle noise. 3. Reference Service Bulletin 47-sixty one-36 for Accessory Drive Belt Tensioner noise. 4. Examine cylinder bore diameter and piston diameter as outlined within the Service Manual.
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