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LMC Truck



Username Post: loud ticking noise after starting        (Topic#343441)
mlrailguy 
Senior Member
Posts: 423

Loc: Moses Lake,WA USA
Reg: 12-30-02
03-20-17 01:40 PM - Post#2682417    

My 01 5.3 begins making loud ticking sounds shortly after starting. Sounds like a diesel After a minute probably, it clears up and sounds great. It started doing this when I switched to synthetic oil. I've gone back to conventional oil, but the noise still comes.
What could this be?

Just DUNE it


 
LMC Trucks
raycow 
Honored Member
Posts: 26710
raycow
Loc: San Francisco, CA
Reg: 11-26-02
03-20-17 04:42 PM - Post#2682445    
    In response to mlrailguy

It sounds as if the lifters are taking a while to fill up after sitting. Somehow, the oil feed must have gotten clogged or restricted, but I don't know how or why the synthetic oil could have caused this to happen.

There's a line between good and evil no wider than a razor's edge - D.S. James Hathaway quoting from The Night Keeper


 
junkman104 
Frequent Contributor
Posts: 1101
junkman104
Age: 58
Loc: Murphy N.C.
Reg: 01-25-14
03-20-17 04:57 PM - Post#2682449    
    In response to raycow

Piston slap, common in cold weather. They all do it. Nothing to worry about. Google it!

BTW I only use dinosaur squeezings in mine



 
wagonman100 
Super Senior Member
Posts: 13880
wagonman100
Loc: Baltimore, MD
Reg: 11-27-04
03-20-17 07:57 PM - Post#2682485    
    In response to junkman104

Piston slap is more than likely the culprit, but that is more of a knocking noise. So if it is a higher pitched tapping noise it may be lifters, a lower pitched knocking noise is piston slap. Mine has a knocking noise for about 45 seconds after I start it up in very cold weather.

Jay
Some days it's not worth chewing through the restraints.

1999 Silverado Z71 4X4 extra-cab short bed
1983 Malibu Fauxmad - tubbed
1978 El Camino Kustomized
1972 Monte Carlo
1957 210 handyman wagon
1957 Nomad sport wagon


 
JaVeRo 
Member
Posts: 352

Loc: East Texas
Reg: 02-02-06
03-21-17 08:47 AM - Post#2682584    
    In response to wagonman100

check your oil pressure, it may be time for a new oil pump.

James

2003 S10 Blazer 4wd (wife's)
2001 S10 Crew Cab (wife's mail truck)
1996 K1500 (mine)
1979 GMC 3/4 ton 2wd 4spd with a "Gilley's" bumper sticker, my first brand new truck.
2006 K1500 Company Truck
2006 K2500 NV4500 4.10's


 
mlrailguy 
Senior Member
Posts: 423

Loc: Moses Lake,WA USA
Reg: 12-30-02
03-23-17 08:03 AM - Post#2682927    
    In response to JaVeRo

Yes, it's more of a rattle than a tick. Like I said, sounds like a noisy diesel truck. Oil pressure is good. Will it hurt if I drive off while making all this noise?

Just DUNE it


 
junkman104 
Frequent Contributor
Posts: 1101
junkman104
Age: 58
Loc: Murphy N.C.
Reg: 01-25-14
03-23-17 05:33 PM - Post#2683013    
    In response to mlrailguy

Do you know a decent mechanic you can have listen to the noise? Problems like this are hard to diagnose on the interweb.



 
TwentyBucks 
Contributor
Posts: 324

Loc: Cape Cod, MA
Reg: 11-06-07
03-24-17 06:00 AM - Post#2683057    
    In response to mlrailguy

My 03 Suburban does the same thing when it is cold out, I don't worry about it and it goes away after about 15 seconds. 175,000 miles on it.

2010 Cadillac CTS
2003 Suburban 4X4
98 K1500 5.0L
2002 Honda Civic, commuter car


 
wagonman100 
Super Senior Member
Posts: 13880
wagonman100
Loc: Baltimore, MD
Reg: 11-27-04
03-26-17 01:07 PM - Post#2683448    
    In response to TwentyBucks

Shouldn't hurt to drive it while making the noise. You can only really hear mine under load.

Jay
Some days it's not worth chewing through the restraints.

1999 Silverado Z71 4X4 extra-cab short bed
1983 Malibu Fauxmad - tubbed
1978 El Camino Kustomized
1972 Monte Carlo
1957 210 handyman wagon
1957 Nomad sport wagon


 
mlrailguy 
Senior Member
Posts: 423

Loc: Moses Lake,WA USA
Reg: 12-30-02
03-27-17 06:29 AM - Post#2683591    
    In response to wagonman100

Thanks guys, I was really worried that a new engine was going to be needed.
If I would replace in the future, should I stick with 5.3 or go with something bigger?

Just DUNE it


 
Ray1999Z71 
Silver Supporting Member
Posts: 46
Ray1999Z71
Loc: Taylorsville KY
Reg: 04-11-17
04-11-17 06:27 AM - Post#2685983    
    In response to mlrailguy

My 99' is for sure a lifter noise. Right at start-up you can hear them. If you give it just a little gas they pump up and are fine. 330,000 miles on mine. Still runs strong.

Dad always said "It'll be aight!"


 
sprog777 
Forum Newbie
Posts: 42

Reg: 03-27-10
07-09-17 02:50 PM - Post#2699342    
    In response to Ray1999Z71

my Tahoe use to do it and it stopped own its own? It was loud and u could here it from 100 feet away.

sprog777@yahoo.com

1979 K5 Blazer
1995 Chevy S-10
1999 Chevy Tahoe 4wd
1999 chevy z71 ext.cab


 
jearlc 
Member
Posts: 36

Loc: Arkansas
Reg: 12-12-05
09-16-17 06:46 AM - Post#2707805    
    In response to sprog777

My 04 Avalanche made that noise. Turned out to be a lifter. common with the 5.3



 
69_BOWTIE 
Senior Member
Posts: 922

Loc: WYOMING,USA
Reg: 02-27-02
09-17-17 07:57 AM - Post#2707902    
    In response to jearlc

Yes hard to determine your sound over the web ,mine does it and I have determined it to be piston slap. Drives me freeking nuts but have to live with it. Truck has 170 k miles on it and runs pretty dam good , go listen to some you tube videos to help you see if yours is a tick or knock

2001 Silverado 4X4
2005 FXDWGI
69 CHEVY Short Step
63 IMPALA 2/DR HRDTOP 327


 
jktucker92 
Silver Supporting Member
Posts: 79
jktucker92
Reg: 02-05-17
09-18-17 07:59 AM - Post#2707999    
    In response to 69_BOWTIE

Both the piston slap and lifter noise is relatively common in the 5.3L.
I've had a '03 Suburban that had a lifter noise, and an '02 Tahoe that had the piston slap. Piston slap is very common in these engines and there is a TSB about it. My '02 Tahoe had the piston slap issue from about the time it was new, and the dealer said it was normal for the design. We sold it with 150,000 miles and never had an issue other than the noise. It's more of a loud knocking noise than a ticking noise. The '03 Suburban developed a ticking noise that turned out to be a failed lifter. The roller lifter stopped rolling and gouged the camshaft. For that engine, the camshaft had to be reground and the lifter had to be replaced. Unfortunately, replacing the lifter on these engines requires the head be removed. With as common as these problems are, I'd expect there to be videos posted with the two noises, but I haven't every looked.



 
LMC Trucks
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