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Old 02-13-2009, 08:04 PM
Posts: n/a
Default Cold Engine knock 95 ram 5.2 liter

I have a 1995 Dodge ram 1500 with the 5.2 liter.It has 145000 miles.It runs excellent,carries good oil pressure.I changed oil in it and developed a cold engine knock at idle mainly and the knock completely vanishes after truck gets to normal operating temp.The knock sounds to me like it is coming from the intake area.The engine purrs like a kitten.Powerful.It runs as good cold as warm but has the knock when cold.It did not do this until I changed oil.I used pennz 10w-30 high mileage oil.It is a knock and not a tick.It doesnt sound like its going to throw a rod loud,but very noticable.The previous owner ran havoline 10w-30.I cant figure it out.Has anyone had the same problem?Should I switch back to havoline?Can anyone tell me what it is?Im pretty sure its not piston slap,lifter maybe but I thought they were more of a tick and not a knock.Could it be something with the intake or injectors?Please help.Im going crazy trying to figure it out.

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