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Its knocking???

Old 02-13-2003, 11:05 AM
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Its knocking???

This is my first Cummins and 3rd Diesel...but it knocks when it starts cold for about 10 knocks...then it quiets down..is that a problem?? ??? ???
Old 02-13-2003, 11:15 AM
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Re:Its knocking???

Sounds normal to me. You should hear a pre-03.... : You can hear the fuel pump buzzing when it's really cold. Have you tried the block heater for a few hours on cold nights?
Old 02-13-2003, 11:21 AM
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Re:Its knocking???

It was only in the high 30's...so I did not plug it in...cold is a relative term in Texas...below 40...thanks
Old 02-13-2003, 01:15 PM
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Re:Its knocking???

hey bambam<br>just use the block heater and that should take care of the knocking, just like commatoze suggested...<br>and welcome <br>this is a great site
Old 02-13-2003, 02:05 PM
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Re:Its knocking???

it was -40 this morning, windchills were in the -50's.......truck was plugged in but man did she knock for a bit till it warmed up <br><br>my dad's had diesel cars/trucks/tractors all my life and they all knock like an SOB untill they warm up enough to run smooth when it's real cold out ..........
Old 02-24-2003, 01:09 PM
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Re:Its knocking???

My is now knocking only at 1500 to 1800 RPM???
Old 02-24-2003, 02:43 PM
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Re:Its knocking???

I never had a problem with knocking. But I keep my truck in a wark places with the block heater on.<br>But I say it is the cold. Just let her warm up for awhile before driving anyware.
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