Filed Under (Toyota) by admin on 20-05-2011
Introduction IMPORTANT It is mandatory that the VVT-i gear actuator bolts, actuator center section alignment, and actuator body be inspected BEFORE performing this TSB. If no concerns are noted with these parts, this TSB does NOT apply. Some 2005 – 2009 model year vehicles with 2GR-FE engines may exhibit a ticking/clicking type noise from the cylinder head cover area which may be accompanied by a MIL “ON” and one or more VVT-i related Diagnostic Trouble Codes (DTCs). Please use the following repair procedure to address customer concerns. Inspection Procedure 1. Start the engine and listen for any ticking/clicking type noises coming from the VVT-i gear area of the engine. NOTE This condition may or may not be accompanied by one or more of the following DTCs stored in the Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM): • P0014: Camshaft Position “B” – Timing Advanced or System Performance (Bank 1) • P0015: Camshaft Position “B” Timing Over Retarded (Bank 1) • P0017: Crankshaft Position Camshaft Position Correlation (Bank 1 Sensor B) • P0018: Crankshaft Position Camshaft Position Correlation (Bank 2 Sensor A) • P0024: Camshaft Position “B” – Timing Over-Advanced or System Performance (Bank 2) • P0025: Camshaft Position “B” – Timing Over-Retarded (Bank 2) 2. Remove the cylinder head cover and inspect the exhaust VVT-i gear assembly on the affected cylinder bank. NOTE If NO concerns are found with the VVT-i gear actuator bolts, the actuator center section alignment, or actuator body, this TSB does NOT apply. Refer to Repair Manual procedures for further diagnosis. Repair Procedure 1. If any concerns are noted with the exhaust VVT-i gear bolts or actuator follow the four steps below: A. Replace the camshaft housing sub-assembly, exhaust camshaft, and exhaust VVT-i gear assembly on the affected bank. B. Inspect the intake VVT-i gear assembly and bolts on the affected bank. Replace the intake VVT-i gear assembly if necessary. C. Inspect the opposite bank exhaust VVT-i gear actuator and bolts. If any concerns are noted replace the opposite bank camshaft housing sub-assembly, exhaust camshaft, and exhaust VVT-i gear assembly. D. Inspect the opposite bank intake gear actuator assembly and bolts. Replace the intake VVT-i gear assembly if necessary. For complete disassembly procedures refer to the Technical Information System (TIS), applicable model and model year Repair Manual: • 2005 Avalon: Engine/Hybrid System – Engine Mechanical – “Engine Mechanical: Camshaft (LH Bank) / (RH Bank) (2GR-FE): Replacement” • 2006 / 2007 / 2008 / 2009 Avalon: Engine/Hybrid System – Engine Mechanical – “2GR-FE Engine Mechanical: Engine Unit: Disassembly” • 2007 / 2008 / 2009 Camry: Engine/Hybrid System – Engine Mechanical – “2GR-FE Engine Mechanical: Engine Unit: Disassembly” • 2008 / 2009 Highlander: Engine/Hybrid System – Engine Mechanical – “2GR-FE Engine Mechanical: Engine Unit: Disassembly” • 2006 / 2007 / 2008 / 2009 RAV4: Engine/Hybrid System – Engine Mechanical – “2GR-FE Engine Mechanical: Engine Unit: Disassembly”
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 (Toyota) by admin on 09-05-2011
Some 2004 – 2009 model year Highlander, 2001 – 2005 model year RAV4, and 2004 – 2010 model year Sienna AWD (4WD) vehicles may display a transmission ?uid or gear oil seepage from a vent on the right side of the transfer case. The seepage is from the transfer RH (right-hand) bearing retainer No. 2 oil seal. Production improvements have been implemented to prevent this condition from occurring. Follow the repair procedure in this bulletin to replace the RH bearing retainer No. 2 oil seal assembly. Transmission Fluid or Gear Oil Seepage from Transfer Case Vent (AWD) Repair Procedure: Removal 1. Con?rm source of gear oil/transmission ?uid seepage is from vent on RH bearing retainer. 2. Remove the engine assembly with transaxle. Refer to the Technical Information System (TIS), applicable model and model year Repair Manual: • 2004 Highlander: Engine/Hybrid System – Engine Mechanical – “2AZ-FE / 3MZ-FE: Partial Engine Assy: Replacement” • 2005 Highlander: Engine/Hybrid System – Engine Mechanical – “2AZ-FE / 3MZ-FE: Partial Engine Assy: Replacement” • 2006 Highlander: Engine/Hybrid System – Engine Mechanical – “2AZ-FE / 3MZ-FE Engine Mechanical: Engine Assembly: Removal” • 2007 Highlander: Engine/Hybrid System – Engine Mechanical – “2AZ-FE / 3MZ-FE Engine Mechanical: Engine Assembly: Removal” • 2008 / 2009 Highlander: Engine/Hybrid System – Engine Mechanical – “ 2GR-FE Engine Mechanical: Engine Assembly: Removal” 3. Remove the automatic transmission w/transfer. Refer to TIS, applicable model and model year Repair Manual: • 2004 Highlander: Drivetrain – Automatic Transmission/Transaxle – “Automatic Transaxle Assy (U151E/U151F) / (U241E/U140F): Replacement” • 2005 Highlander: Drivetrain – Automatic Transmission/Transaxle – “Automatic Transaxle Assy (U151E/U151F) / (U241E/U140F): Replacement” • 2006 Highlander: Drivetrain – Automatic Transmission/Transaxle – “U140F / U151F Automatic Transaxle: Automatic Transaxle Assembly: Removal” 4. Remove the transfer case No. 1 plug and remove the gasket from the plug. 5. Remove the transfer drain plug and remove the gasket from the drain plug. 6. Remove the transfer assembly. A. Remove the 2 bolts and 6 nuts. B. Using a plastic hammer, drive out the transfer assembly from the transaxle assembly. NOTICE • Disconnect the transfer assembly from the transaxle assembly without tilting. • When moving the transfer assembly, do NOT hold the assembly by the oil seals.
Filed Under (Ford) by admin on 18-02-2011
NOTE: Refer to the exploded view under the assembly procedure in this section. The 5.4L (3V) is a V-8 engine with the following features: Single overhead camshafts Three valves per cylinder Sequential Multi-Port Fuel Injection (SFI) Aluminum cylinder heads Cast iron, 90-degree V-cylinder block Variable Camshaft Timing (VCT) Individually chain-driven camshafts with a hydraulic timing chain tensioner on each timing chain Distributorless ignition system Electronic Returnless Fuel System (ERFS) Engine Identification Always refer to these labels when installation of new parts is necessary, or when checking engine calibrations. The engine parts often differ within a Cubic Inch Displacement (CID) family. Verification of the identification codes will make sure that the correct parts are obtained. These codes contain all the pertinent information relating to the dates, optional equipment and revisions. The Ford Master Parts Catalog contains a complete listing of the codes and their application. Engine Cylinder Identification Exhaust Emission Control System Operation and necessary maintenance of the exhaust emission control devices used on this engine are covered in the Powertrain Control/Emissions Diagnosis (PC/ED) manual. Induction System The SFI system provides the fuel/air mixture needed for combustion in the cylinders. The 8 solenoid-operated fuel injectors: are mounted in the intake manifold. meter fuel into the air intake stream in accordance with engine demand. are positioned so that their tips direct fuel just ahead of the engine intake valves. supply fuel from the fuel tank with a fuel pump mounted in the fuel tank. Valve Train The valve train operates as follows: Ball-tip hydraulic lash adjusters provide automatic lash adjustment. Roller followers ride on the camshaft lobe, transferring the up-and-down motion of the camshafts to the valves in the cylinder heads. Positive Crankcase Ventilation System
Filed Under (Mazda) by admin on 16-06-2011
DESCRIPTION Some vehicles may experience a body vibration when driving approximately 55mph. This symptom is due to the characteristics of the No. 3 & No. 4 engine mounts. Modified No. 3 & No. 4 engine mounts have been established for service only. Customers having this concern should have their vehicle repaired using the following repair procedure. REPAIR PROCEDURE IMPORTANT NOTE: • This repair should only be performed if all tires and rims are confirmed to be in balance and all suspension components are in proper working condition. • Notify customers that use of the modified mounts will reduce vibration at cruising speed but may increase vibration at idle. NOTE: Because idle vibration may increase, it is highly recommended to continue using mass production mounts for all other service concerns. 1. Verify concern. 2. Replace the No. 3 & 4 engine mounts with service parts according to the appropriate Workshop Manual section 01-10 ENGINE REMOVAL/INSTALLATION. 3. Center the new engine mounts as outlined in ENGINE MOUNT CENTERING PROCEDURE. 4. Verify repair. ENGINE MOUNT CENTERING PROCEDURE No. 1, No. 3 and No. 4 Engine Mount Adjustment 1. Warm up the engine. 2. Raise and support vehicle on a hoist. 3. Remove engine under cover. 4. Lower the vehicle until the front tires lightly touch the ground. 5. Secure the engine and transaxle using an engine jack and attachment as instructed in No.3 Engine Mount And No.4 Engine Mount Rubber Installation Note in appropriate Workshop Manual, section 01-10 MECHANICAL. 6. Remove two bolts from No. 3 engine mount bracket. REMOVE THE BOLTS 7. Lift engine using jack until No.3 engine mount is lifted slightly from vehicle body. NOTE: • Do not raise engine too much or A/C pipe damage may occur. 8. Move the engine mount rubber or engine until installation hole on the vehicle body aligns with hole in the engine mount bracket. ENGINE MOUNT BRACKET 1532c SHOWN BEFORE ALIGNING THE HOLES SHOWN AFTER ALIGNING THE HOLES 9. Lower the jack and tighten bolts on No. 3 engine mount bracket. Tightening torque: 55.0-77.3 ft-lbf (74.5-04.9 N.m) NOTE: 10. With engine supported as described in STEP 5, remove four (4) nuts and two (2) bolts from No. 4 engine mount top plate. Remove top plate. NOTE: 11. Lift engine again using jack until No.4 engine mount is lifted slightly from vehicle body. NOTE: 12. With top plate of No. 4 engine mount removed, move engine mount bottom plate or engine until all four (4) installation studs on the vehicle align with the engine mount holes. • Do not allow the engine mount bracket to be misaligned. • To access the mount, remove battery box. • Do not raise engine too much or A/C pipe damage may occur. ALIGN THE 4 STUDS IN THE PLATE HOLES 13. Place top plate back on and tighten No. 4 engine mount bracket nuts and bolts to torque indicated. Tightening torque: A.32.5-45.0 ft-lbf (44.0-61.0 N.m) B.61.1-86.7 in-lbf (6.9-9.8 N.m) TIGHTEN BOLTS IN SEQUENCE SHOWN 1532e 14. Lift engine again using jack and loosen the two bolts on the No. 1 engine mount rubber until slightly loose on the No. 1 engine mount rubber.