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Can you tell me if there is an updated exhaust manifold torque specification for GEN III engines? The AERA Technical Com-mittee offers the following information regarding exhaust manifold bolt and torque update on 1998-2003 GEN III 4.8L, 5.3L, 5.7L and 6.0L engines. A new exhaust manifold bolt and torque specification was introduced to the GEN
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What is the proper main bearing installation procedure for Chrysler Hemi engines? The AERA Technical Committee offers the following information regarding crankshaft main bearing installation procedures for 2003-’06 DaimlerChrysler 5.7L and 6.1L Hemi engines. This procedure is for crankshafts previously removed from the cylinder block. It is important to first clean all of the oil
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Q. While working on a 2004 Mitsubishi 2.4L G69M engine, I got confused about the correct valve lash specs. Can you explain? A. The AERA Technical Committee says Mitsubishi’s published information seems to have listed incomplete specifications as two different camshaft profiles were use. The following information regarding the correct valve lash specification and camshaft
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The AERA Technical Committee offers the following information regarding a cylinder boring caution for 1999-2006 GM 6.0L VIN U engines. These engines are the newest version of the small block series and have been commonly called Gen III engines. It has been reported that cylinder bore distortion is prevalent in these blocks. Therefore, it is
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We’ve had customer complaints about recurring MILs (malfunctioning indicator light) on some Chrysler 3.2 and 3.5L engines. Any idea what’s going on? The AERA Technical Committee offers the following information regarding a revised valve spring for 1998-2004 Chrysler 3.2 and 3.5L VIN J, G, K, M & V engines. This revision is the result of
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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