2001 Silverado lifter noise?

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2001 Silverado lifter noise?

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2001 Silverado lifter noise? - 5/21/2008 6:29:27 PM

dylskee

Posts: 12
Joined: 5/6/2007
Status: offline

I've got a 2001 silverado extended cab with a 4.8L, I've had it for a couple of weeks now and I notice first thing in the morning when I start it I can hear the lifters for a couple of minutes. Is this a sign of a bad oil pump or something?

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RE: 2001 Silverado lifter noise? - 5/21/2008 9:48:21 PM

ehhget

Posts: 355
Joined: 1/22/2008
Status: offline

I hear that sometime in my truck and my camaro I think it is called lifter tap and it is fairly common.

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RE: 2001 Silverado lifter noise? - 6/3/2008 6:16:49 PM

nomad

Posts: 8
Joined: 5/29/2008
Status: offline

Just traded my 2000 Silverado X cab, 233,000 miles. I had the same issue for at least 100,000 miles. If I did not let it idle a few minutes it sounded pretty bad on acceleration, but always quieted after several minutes.

(in reply to ehhget)

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RE: 2001 Silverado lifter noise? - 6/3/2008 7:29:30 PM

EuroGoldLS

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Joined: 7/12/2007
From: Princeton, NC, USA
Status: offline

My 4.3L Vortec does the same thing and so does all of our utility vehicles with the exception of the Sonoma and the 4.8L van.

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RE: 2001 Silverado lifter noise? - 6/4/2008 3:03:05 PM

ukrkoz

Posts: 90
Joined: 3/23/2008
Status: offline

<\\;P>\\;it’s infamous "\\;morning sickness"\\;. most likely you have pushrod engine, and it’s a typical noise. GMC says not to worry. use better oil, it quenches the noise quite well. <\\;/P>\\;
<\\;P>\\;oh, and welcome to the club. we have so called "\\;clunkers"\\; - trucks that make more noises than driving. i am really sorry i lost that 6 page GM "\\;scientific"\\; explanation on why all of those noises are "\\;normal"\\; on their trucks. fun to read.<\\;IMG src="\\;http://www.chevroletforum.com/image/s13.gif"\\;>\\;<\\;IMG src="\\;http://www.chevroletforum.com/image/s2.gif"\\;>\\;<\\;/P>\\;

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RE: 2001 Silverado lifter noise? - 7/18/2008 6:43:58 PM

RicJac

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Joined: 7/18/2008
Status: offline

I have an 01 Silverado, same noise at start up when I bought it, and even now at over 150k. My moms 01 impala and my stepdads 97 S-10 still does the same thing. GM says it''s no problem, and that nothing can be done to correct it.

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RE: 2001 Silverado lifter noise? - 7/21/2008 7:22:45 PM

ukrkoz

Posts: 90
Joined: 3/23/2008
Status: offline

ok, now that they fixed the site: it is normal situation for GM pushrod engines. it''s morning sickness - noise from lifters before they get filled with oil.

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