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Chevy valve tick #4580109
11/20/17 01:44 PM
11/20/17 01:44 PM
Joined: Sep 2008
Posts: 44
CA USA
1_high_bald_guy Offline OP
1_high_bald_guy  Offline OP
Joined: Sep 2008
Posts: 44
CA USA
I have an 05 Tahoe with 155k miles. OC done at about 4-5k miles tops. I started getting the valve tick intermittently but now I get it when sitting idle for a few minutes (fully warmed up). The oil pressure is good. I tried Rislone recently and that didnt help much at all. Any suggestions? Maybe some type of engine flush? Thanks in advance.

Re: Chevy valve tick [Re: 1_high_bald_guy] #4580114
11/20/17 01:48 PM
11/20/17 01:48 PM
Joined: Jun 2009
Posts: 430
New England
555 Offline
555  Offline
Joined: Jun 2009
Posts: 430
New England
What brand and weight oil did you put in there?


84 XJ6 M1
92 Mustang 5.0 Redline
99 Tahoe 2 door Castrol Edge
99 MX5 Miata Anniversary Edition M1
04 Subaru STi Motul
Re: Chevy valve tick [Re: 555] #4580124
11/20/17 01:56 PM
11/20/17 01:56 PM
Joined: Sep 2008
Posts: 44
CA USA
1_high_bald_guy Offline OP
1_high_bald_guy  Offline OP
Joined: Sep 2008
Posts: 44
CA USA
Originally Posted By: 555
What brand and weight oil did you put in there?


Valvoline Full syn Maxlife 5w30

Re: Chevy valve tick [Re: 1_high_bald_guy] #4580142
11/20/17 02:35 PM
11/20/17 02:35 PM
Joined: Jun 2012
Posts: 1,758
USA
oldhp Offline
oldhp  Offline
Joined: Jun 2012
Posts: 1,758
USA
Maybe try isolating which side the tick is on. Pop the valve cover off and take a look at the rocker arms. Any loose??? Springs ok??? With the engine warmed up and running I used to hold a rag folded over on the push rod side of the rocker arm while pushing on it. If tick goes away, you've found which one. Maybe a bad lifter, a worn rocker arm........ Good Luck!!!


2018 RAM 1500 3.6/8 speed.
2017 Jeep Sahara Unlimited 3.6
"U kan't fixe it......if'n it ain't broke."
Re: Chevy valve tick [Re: oldhp] #4580160
11/20/17 03:00 PM
11/20/17 03:00 PM
Joined: Sep 2008
Posts: 44
CA USA
1_high_bald_guy Offline OP
1_high_bald_guy  Offline OP
Joined: Sep 2008
Posts: 44
CA USA
Originally Posted By: oldhp
Maybe try isolating which side the tick is on. Pop the valve cover off and take a look at the rocker arms. Any loose??? Springs ok??? With the engine warmed up and running I used to hold a rag folded over on the push rod side of the rocker arm while pushing on it. If tick goes away, you've found which one. Maybe a bad lifter, a worn rocker arm........ Good Luck!!!


Itís defintely coming from the drivers side, sounds like itís coming more towards the front.

Re: Chevy valve tick [Re: 1_high_bald_guy] #4580162
11/20/17 03:02 PM
11/20/17 03:02 PM
Joined: Mar 2012
Posts: 1,366
San Antonio, TX
E150GT Offline
E150GT  Offline
Joined: Mar 2012
Posts: 1,366
San Antonio, TX
one of my coworkers has a chevy and it ticked. Required an Oring on the oil pump.


1984 Mercedes-Benz 300SD - 100k
1995 F150 XL 4.9 reg cab 5MT - 251k 5w30
2016 Mazda6 Touring 6MT - 57k 10w30
2006 Buick Lucerne CXL 3.8 31k 5w30
Re: Chevy valve tick [Re: 1_high_bald_guy] #4580236
11/20/17 04:34 PM
11/20/17 04:34 PM
Joined: Jun 2012
Posts: 1,758
USA
oldhp Offline
oldhp  Offline
Joined: Jun 2012
Posts: 1,758
USA
Ya know........check the exhaust manifold bolts. Chevy had problems with the bolt heads breaking off, and the little exhaust leak will sound like a "tick". shrug


2018 RAM 1500 3.6/8 speed.
2017 Jeep Sahara Unlimited 3.6
"U kan't fixe it......if'n it ain't broke."
Re: Chevy valve tick [Re: 1_high_bald_guy] #4580323
11/20/17 06:14 PM
11/20/17 06:14 PM
Joined: Nov 2017
Posts: 683
South Carolina
eyeofthetiger Offline
eyeofthetiger  Offline
Joined: Nov 2017
Posts: 683
South Carolina
Front driver's side, and oil pressure is good? I am going along with the bad lifter. Of course, you have to pull the cylinder head off to get to it, and if the lifter is chewed up you might need a camshaft, too. It just happens sometimes.

Re: Chevy valve tick [Re: 1_high_bald_guy] #4580388
11/20/17 07:04 PM
11/20/17 07:04 PM
Joined: Jan 2013
Posts: 2,084
Texas
WyrTwister Offline
WyrTwister  Offline
Joined: Jan 2013
Posts: 2,084
Texas
V-6 ? V-8 ?

Sounds like you put good oil in it .

If it were mine , I might pull the valve cover ( as has been suggested ) & see what I learned . Then go from there .

Back in the day , a valve tick , on start up was not uncommon . If it went away after it warmed up , it was often ignored .

Best of luck to you , :-)


Wyr
God bless
Re: Chevy valve tick [Re: 1_high_bald_guy] #4580415
11/20/17 07:19 PM
11/20/17 07:19 PM
Joined: Sep 2008
Posts: 44
CA USA
1_high_bald_guy Offline OP
1_high_bald_guy  Offline OP
Joined: Sep 2008
Posts: 44
CA USA
Itís a V8 4.8L.

As far as the exhaust manifold bolts I replaced them with ARP bolts when I replaced the header gaskets.

Iím hoping it isnít a bad lift. I havenít had the time to pull off the valve covers just yet. The tick does go away shortyly after I give it a little gas. It doesnít tick constantlyz

Re: Chevy valve tick [Re: 1_high_bald_guy] #4580427
11/20/17 07:34 PM
11/20/17 07:34 PM
Joined: Jan 2013
Posts: 2,084
Texas
WyrTwister Offline
WyrTwister  Offline
Joined: Jan 2013
Posts: 2,084
Texas
I think the company truck I drive has the 4.8l V-8 .

2008 model Silverado with 160,000 + miles & it purrs like a kitten .

Does it tick more or less , after the engine warms up ?

Best of luck to you , :-)


Wyr
God bless
Re: Chevy valve tick [Re: WyrTwister] #4580449
11/20/17 07:57 PM
11/20/17 07:57 PM
Joined: Sep 2008
Posts: 44
CA USA
1_high_bald_guy Offline OP
1_high_bald_guy  Offline OP
Joined: Sep 2008
Posts: 44
CA USA
Originally Posted By: WyrTwister
I think the company truck I drive has the 4.8l V-8 .

2008 model Silverado with 160,000 + miles & it purrs like a kitten .

Does it tick more or less , after the engine warms up ?

Best of luck to you , :-)


Itís hit or miss. Sometimes when itís a cold start it doesnít tick at all until itís warmed up. It usually starts to tick sometimes while sitting at a stop light for an extended amount of time, then goes away once I get going.

Re: Chevy valve tick [Re: 1_high_bald_guy] #4580460
11/20/17 08:12 PM
11/20/17 08:12 PM
Joined: Jan 2013
Posts: 2,084
Texas
WyrTwister Offline
WyrTwister  Offline
Joined: Jan 2013
Posts: 2,084
Texas
I might go up one " step " in viscosity ...........


Best of luck to you , :-)


Wyr
God bless
Re: Chevy valve tick [Re: WyrTwister] #4580468
11/20/17 08:19 PM
11/20/17 08:19 PM
Joined: Sep 2008
Posts: 44
CA USA
1_high_bald_guy Offline OP
1_high_bald_guy  Offline OP
Joined: Sep 2008
Posts: 44
CA USA
Originally Posted By: WyrTwister
I might go up one " step " in viscosity ...........


Best of luck to you , :-)


I was thinking about doing that this next OC. Thanks

Re: Chevy valve tick [Re: 1_high_bald_guy] #4580480
11/20/17 08:29 PM
11/20/17 08:29 PM
Joined: Jan 2013
Posts: 2,084
Texas
WyrTwister Offline
WyrTwister  Offline
Joined: Jan 2013
Posts: 2,084
Texas
My understanding is the 4.8l Chevy V-8 is an " LS " engine , one of the latest in the Chevy small block engine family . With many " improvements " from the older 283 , 305 , 307 , 327 , 350 , 400 .

You might do some google searching for this problem ? Or , also , do some searching on YouTube . I watched some videos by a guy call " MyVintageIron " on YouTube , about LS engines . Can not remember much about the oil pump / system . Might be able to leave some questions in the comment section of one of his LS videos ?

Hopefully , the " thicker " oil will do the trick .

Best of luck to you , :-)


Wyr
God bless
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