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Q: Are the cracked exhaust seats in the Cummins 5.9L diesel engine found in the Ram pickup a cause for concern? A: The AERA Technical Committee says cracked exhaust seats on 1998-2006 Cummins/Chrysler 5.9L diesel engines have been reported by other AERA members as well. The 24 valve engines with four valves per cylinder have
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We’ve experienced broken head bolts on some late model GM engines. Any solutions? The AERA Technical Committee offers the following information on a recently available bolt extractor kit for 2002-2006 GM 2.8, 3.5 and 4.2L VIN 8, 6 and S engines. This L-style engine family features an aluminum block and cylinder head. It has been
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The AERA Technical Committee offers the following information regarding cylinder block deck cracks on Caterpillar 3208 engines. This information provided by Caterpillar gives the correct procedures to visually inspect a cylinder block for cracks between the water port and the cylinder head bolt hole. A 3208 engine cylinder block that meets the inspection guidelines can
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Q: I’ve had difficulty getting the main bearing clearances correct on some Ford 2.5L engines. Do you know of any updates? A: The AERA Technical Committee offers the following information regarding the main bearing bore for 1993-2002 Ford 2.5L VIN B and KL engines. This engine is made by Mazda and has been used in
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Q: I have experienced problems with blowing oil filter seals off some 4.2L Ford engines. Any solutions? A: The AERA Technical Committee offers the following information regarding high oil pressure on 1997-2004 Ford 4.2L VIN 2 engines. This condition occurs immediately after engine front cover/oil pump replacement. In some instances, this higher than normal pressure
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I’ve noticed the crankshaft pulley on some Mazda engines don’t have keys. What is the proper installation procedure? The AERA Technical Committee offers the following information regarding crankshaft pulley replacement for 2001-2005 Mazda 2.0L and 2.3L engines. The crankshaft pulley is not keyed to the crankshaft on these engines. If the crankshaft pulley bolt is
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I’ve had complaints of broken exhaust manifold bolts on some 5.4L Ford engines. Is there an upgrade available? The AERA Technical Committee offers the following information regarding broken exhaust manifold bolts on 1999-2005 Ford 5.4L VIN L engines. This information applies to non-supercharged Ford truck engines. Generally, this condition is first noticed because of excessive
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The AERA Technical Committee says the following information should be considered any time a cylinder head is installed on 2001-2005 GM 8.1L VIN E and G engines. Three different length mounting bolts are used to secure the cylinder heads for these engines as shown in Figure 1. These bolts are intended for a single-use and
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Bedplate removal and replacement procedures for 2003-’06 Chrysler /Jeep 3.7L V6 VIN K engines are very detailed so follow carefully to avoid unnecessary component replacement. Removal Remove oil pump. Do not pry on the oil pan gasket when removing the oil pan. The oil pan gasket is mounted to the cylinder block in three locations
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I’ve had complaints of a ticking noise on some Chrysler 3.2L and 3.5L engines. Can you offer any solutions? The AERA Technical Committee offers the following information regarding a ticking sound on 1998-2004 Chrysler 3.2L and 3.5L VIN J, G, K, M and V engines. This noise is associated only with cold start-up and generally
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What’s the story on piston cooling tubes for Navistar diesel engines? The AERA Technical Department says that the piston cooling tube design on Navistar DT 466 and 570 diesel engines has been revised, and this information should be considered anytime the tubes are removed for service on engines with a serial number higher than 2,000,000.
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I’ve had difficulty in locating intake manifold kits for GM 3.8L engines. What gives? The AERA Technical Committee offers the following information regarding a revised upper intake manifold for 1995-2004 GM 3.8L VIN K engines. Engines manufactured for the 2005 model year include the revised gasket. With the recent availability of these new kits (Figure