knocking noise on start up
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Senior User
Joined: Mar 2014
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knocking noise on start up
97 ford f150 4.6 romeo. Did a engine swap with a junk yard engine, all is well, just dropped it in a few weeks ago, now im getting a knocking noise on startup and when I turn on the heater. runs great other wise, no codes. any and all info would be greatly appreciated.
Lead Driver
Joined: Sep 2006
Posts: 7,907
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There is no connection for a 'motor knock' from a heater turn on.
Maybe it's the A/C compressor you hear in some positions or even the alternator under higher loads..
Seem you have not checked it out enough to see where it's coming from.
If you don't, we can't either.
Good luck.
Maybe it's the A/C compressor you hear in some positions or even the alternator under higher loads..
Seem you have not checked it out enough to see where it's coming from.
If you don't, we can't either.
Good luck.
Thread Starter
|
Senior User
Joined: Mar 2014
Posts: 126
Likes: 1
There is no connection for a 'motor knock' from a heater turn on.
Maybe it's the A/C compressor you hear in some positions or even the alternator under higher loads..
Seem you have not checked it out enough to see where it's coming from.
If you don't, we can't either.
Good luck.
Maybe it's the A/C compressor you hear in some positions or even the alternator under higher loads..
Seem you have not checked it out enough to see where it's coming from.
If you don't, we can't either.
Good luck.
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motorhead_83
1987 - 1996 F150 & Larger F-Series Trucks
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Mar 21, 2005 02:59 PM
