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Old 09-06-2007, 10:06 PM   #1
Jeff_5_7
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Default funny knocking sound on 7mge

ok so i was driving my supra to pick up my little brother and he was trying ot tell me sothimg from across the yard and i cvouldny hear him os i turned off my car then i started it back up and it started knocking funny so i dorve home and checked the oil which i changed 200 miles ago its good and good oil pressure on the gauges the sound seems to be coming from the exhaust camshaft right below where the intake goes over it does any body no what this could be and hoe ot make it stop the car still runs good it just knocks funny
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Old 09-06-2007, 11:05 PM   #2
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at what rpms is it knocking? is it constantly from when you turn the car on?
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Old 09-06-2007, 11:12 PM   #3
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starts at idle as soon as i start the car and i car hear it until like 2000 but i have loud exhaust so i dont no if it nocks above 2000
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Old 09-07-2007, 05:06 AM   #4
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So getting under the hood and reving it with the throttle body never crossed your mind???

Brilliance in action man.

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Old 09-07-2007, 01:24 PM   #5
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me and my dad checked it out and its a sound in the vaules right in the middle so im going ot pull off that cam cover today and yea that the ist thing i did when i got home was open the hood in my drive way and rev it and listen
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Old 09-07-2007, 03:01 PM   #6
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If it sounds like there is a little man in the engine tapping with a hammer, then its likely a valve lifter.

Do a compression check on all the cylinders to see if one cylinder is low. That will likely be the one with the noise.

If it is a deeper sounding knock, then those are usually a rod bearing.
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Old 09-07-2007, 10:30 PM   #7
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if it is a value lifter how can i know for sure and how do i fix it what all will i have to take apart to fix it
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Old 09-08-2007, 02:05 AM   #8
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Sorry dude but the way you type made me wonder if you had thought this through or not.I'll assume you are missing keys on your keyboard and follow that with:
my bad.

One thing we can agree on for sure is your jap muscle comment.
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Old 09-08-2007, 02:09 AM   #9
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yea my keyboard sucks im on my dads laptop now but i was wondering what does it take to fix a bronken lifter
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Old 09-08-2007, 06:24 AM   #10
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Well I'd answer that but it may just be bogus so I'll be quiet sinse I'm not absolutely positive.
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