1997 Buick park Avenue
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Filed Under (Buick) by admin on 24-12-2010
Subject: L36, L67, L26, L32, LA1, LX9, MN7, M15 Ticking or Knocking Type Noise Coming From Engine or Transmission Area (Replace Flexplate and Torque Converter) Models: 2005 Buick Park Avenue 2005-2006 Buick Allure (Canada Only), LaCrosse, LeSabre, Rendezvous, Terraza 2005 Chevrolet Impala, Monte Carlo, Venture 2005-2006 Chevrolet Malibu, Malibu Maxx, Uplander 2005 Pontiac Aztek, Bonneville 2005-2006 Pontiac Grand Prix, G6 GTP, Montana SV6 2006 Saturn Relay AWD with 3800 3.8L Series III V6 Engine (VINs K, 1, 2, 4, – RPOs L36, L67, L26, L32) or 3500 3.5L V6 Engine (VINs L, 8 RPO LX9) or 3400 3.4L V6 Engine (VIN E – RPO LA1) and Hydra- Matic(R) 4T65-E Transmission (RPOs MN7, M15) Some customers may comment on a ticking or knocking type noise coming from the engine or transmission area. Cause Typically the noise is caused by either the transmission rear dust cover contacting the flexplate (refer to Corporate Bulletin Number 05-06-01-028) or a cracked flexplate (sometimes also referred to as a flywheel). Correction With the vehicle raised and supported on a suitable hoist, verify that the noise is coming from the flexplate area. If the noise is present, follow the procedure below. If the noise is not coming from the flexplate area, refer to Lower Engine Noise, Regardless of Engine Speed in SI. Important: The following information only applies to vehicles with the noise coming from the flexplate area.
Filed Under (Buick) by admin on 14-11-2010
Steering Vibration/Shudder/Moan During Parking Maneuvers on Dry Pavement (Install Power Steering Pressure (Inlet) and/or Return (Outlet) Hose Assembly) 1995-99 Buick Riviera 1997-2001 Buick Park Avenue, Ultra 2000-2001 Buick LeSabre 2000-2001 Pontiac Bonneville steering vibration, shudder or moan noise when steering during parking maneuvers on dry pavement. Correction Install a new power steering pressure (inlet) hose assembly on the following vehicles: • 1995-98 Buick Riviera • 1997-98 Buick Park Avenue and Ultra Install a new power steering pressure (inlet) and return (outlet) hose assembly on the following vehicles: • 1999 Buick Riviera • 1999-2001 Buick Park Avenue and Ultra • 2000-2001 Buick LeSabre • 2000-2001 Pontiac Bonneville 1. Verify that the power steering pump reservoir is full. • If fluid level is low, fill and check for leaks. • If power steering system has air in the system, perform the “Bleeding Air from Power Steering System” procedure as described in the Power Steering System sub-section of the Service Manual. Important: When performing the “Bleeding Air from Power Steering System” procedure, it is important that the front of the vehicle is supported by the lower control arms. If the vehicle is not supported by the lower control arms, the procedure may cause the strut bushing to dislocate and cause new concern. Verify that the accessory drive belt is in good condition and that the pulleys are not bent or damaged. Verify proper belt tension and operation of the belt tensioner. Check for power steering hose ground out conditions. Check for good engine idle and correct engine RPM. Check to see that the rear transaxle mount does not have a plastic assembly aid installed which is used 2. 3. 4. 5. 6.
Filed Under (Buick) by admin on 10-07-2010
1. Drain the engine coolant. 2. Remove the drive belt. 3. Remove the supercharger idler pulley assembly. 4. Remove the water pump pulley bolts. 5. Remove the water pump pulley. 6. Remove the water pump mounting bolts (1, 2). 7. Remove the water pump. 8. Clean the gasket mating surfaces. Installation Procedure 1. Using a new gasket, install the water pump on the engine. Notice: Refer to Fastener Notice in Service Precautions. 2. Install the water pump mounting bolts (1, 2). Tighten the short bolts (1) to 15 Nm (11 ft. lbs.). Tighten the long bolts (2) to 30 Nm (22 ft. lbs.). 3. Install the water pump pulley and bolts. Tighten the water pump pulley bolts to 13 Nm (115 inch lbs.). 4. Install the supercharger idler pulley assembly. 5. Install the drive belt. 6. Fill the cooling system.
Filed Under (Buick) by admin on 05-07-2010
1. Remove the supercharger drive belt. 2. Remove the drive belt idler pulley bolt. 3. Remove the drive belt idler pulley. Installation Procedure 1. Install the drive belt idler pulley. Notice: Refer to Fastener Notice in Service Precautions. 2. Install the drive belt idler pulley bolt. Tighten the drive belt idler pulley bolt to 50 Nm (37 ft. lbs.). 3. Install the supercharger drive belt. Drive Belt Idler Pulley – Lower Drive Belt Idler Pulley Replacement (Lower) Removal Procedure
Filed Under (Buick) by admin on 22-07-2010
The supercharged 3800 engine uses two drive belts. The outer belt drives the supercharger. The inner belt drives the generator, power steering pump, coolant pump and air conditioning compressor. All driven accessories are rigidly mounted to the engine. Drive belt tension is maintained by the spring loaded belt tensioners. Each belt has its own tensioner. A belt squeak when the engine is started or stopped is normal and has no effect on belt durability. The drive belt tensioner can control belt tension over a broad range of belt lengths due to stretching. 1. Remove the battery. 2. Rotate the tensioner (2) counterclockwise to remove the drive belt (1). 3. Remove the supercharger belt (1) from the engine. 4. Rotate the tensioner (2) counterclockwise to remove the drive belt (1). 5. Remove the accessory belt (1) from the engine. Installation Procedure 1. Position the accessory drive belt (1) to the pulleys. 2. Rotate the tensioner (2) counterclockwise to install the drive belt (1). 3. Position the supercharger drive belt (1) to the pulleys. 4. Rotate the tensioner (2) counterclockwise to install the drive belt (1). 5. Install the battery.