Revised cylinder head installation procedure for 1997-2002 GM 5.7L VIN G engines
Engine Builders: The AERA Technical Committee offers the following information on a revised cylinder head installation procedure for 1997-2002 GM 5.7L VIN G engines, Figure 1. This revised procedure should be used any time the cylinder heads are being installed and supersedes information found in earlierpublished service manuals. Previously published technical bulletin TB 1624 should
Cylinder liner adjustment and compression ring gasket thickness for Detroit Diesel Corporation (DDC) 71 Series diesel engines
Engine Builders: The following information regards cylinder liner adjustment and compression ring gasket thickness for Detroit Diesel Corporation (DDC) 71 Series diesel engines. This information should be considered any time liners are replaced. AERA previously published TB 206 concerning compression ring gaskets. This supplements that information. The correct position of the liner top flange is
Timing chain installation procedures on 1998-2002 Chrysler 2.7L DOHC Engines
Engine Builders: The following information may be helpful for your installers regarding timing chain installation procedures on 1998-2002 Chrysler 2.7L DOHC Engines. If the following procedure is not followed correctly, upon start up, valves will bend. Align crankshaft sprocket timing mark to the mark on oil pump housing. NOTE: Lubricate timing chain and guides with
Timing belt installation procedures on 1994-2001 Acura B18 Series engines
Engine Builders: The following information is for installers regarding timing belt installation procedures on 1994-2001 Acura B18 Series engines. Failure to follow these procedures could result in engine damage. Position the crankshaft and the camshaft pulleys as shown in Figure 1 before installing the timing belt. Set the crankshaft so that the No. 1 piston
Reports that some 1999-2001 GM 2.2L VIN 4 engines tend to generate a droning noise that is especially noticeable at approximately 950 rpm after cold start up.
Engine Builders: There have been reports that some 1999-2001 GM 2.2L VIN 4 engines tend to generate a droning noise that is especially noticeable at approximately 950 rpm after cold start up. GM has identified the source as a natural resonant vibration of the air conditioning alternator drive belt. A revised belt, p/n 12575450, made
Reports of needle bearings being found in the oil pan on some late model GM 4.8L-6.0L engines have been received.
Engine Builders: Reports of needle bearings being found in the oil pan on some late model GM 4.8L-6.0L engines have been received. According to AERA
Reduce the possibility of seized camshafts on 1990-
Engine Builders: The AERA Technical Committee has a suggestion to reduce the possibility of seized camshafts on 1990-
Revised information for main bolt tightening on 1992-
Engine Builders: The AERA Technical Committee offers the following revised information for main bolt tightening on 1992-
Coolant contamination of engine oil for 1996-2003 GM 3.1L or 3.4L VIN J & E engines
Engine Builders: The AERA Technical Committee offers the following information regarding coolant contamination of engine oil for 1996-2003 GM 3.1L or 3.4L VIN J & E engines due to failure of the intake manifold gasket. GM has redesigned a new intake manifold gasket (p/n 89017279) to reduce the chance of failure. The material used in
Increased crankshaft journal dimensions for 1995-2002 Kia 1.8L VIN 5 engines.
Engine Builders: The AERA Technical Committee offers the following information on increased crankshaft journal dimensions for 1995-2002 Kia 1.8L VIN 5 engines. The main journal diameter for the crankshaft of this engine was increased beginning with the 1998 model year. Mazda manufactured these engines prior to 1998 while Kia manufactured all subsequent engines. Use caution
Cylinder head bolt replacement for 1997-2003 Ford 6.8L VIN S engines.
Engine Builders: The AERA Technical Committee offers the following information regarding cylinder head bolt replacement for 1997-2003 Ford 6.8L VIN S engines. This engine requires new replacement cylinder head bolts any time the head is installed. Follow the procedure listed below after all components have been thoroughly cleaned and prepped. Ensure that all surfaces of
Improving engine balance on 1992-
Engine Builders: The AERA Technical Committee has issued the following information on improving engine balance on 1992-