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DROVE A 2018 SILVERADO 5.3L NO TICKING NOISE

BINFORD

By BINFORD
in Troubleshooting & Recalls

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BINFORD Enthusiast

BINFORD

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Hey guys im new to this forum....I own a 2015 GMC Sierra 1500 5.3l and it has the "Normal" ticking noise from the engine. It has 45,000 miles. I got to drive my brother in law 2018 Chevy 1500 5.3l and it has no ticking noise. Did they fix this issue on the newer trucks? I also notice it is peppier than my truck / more responsive to accelerator pedal.

BINFORD Enthusiast

BINFORD

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Just wonder if they did some change to the engine so it's not so pronounced. Maybe they updated the hp fuel pump?

BINFORD Enthusiast

BINFORD

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It seems to be hit or miss with these engines. I'm going to bring mine into dealer to see what they say. I also have a chirp from the exhaust valve. Not sure if they will do anything under warranty for it.

SS502 Senior Enthusiast

SS502

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My 2018 6.2 ticks but I’m certain it’s the fuel injectors. It’s probably all subjective really but mine is not as loud as a co-worker’s 2017 5.3

BINFORD Enthusiast

BINFORD

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I could use my ear scope to pinpoint where the noise is coming from. 

wforrest08 Senior Enthusiast

wforrest08

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1 hour ago, BINFORD said:

I also notice it is peppier than my truck / more responsive to accelerator pedal.

GM did update the pedal assembly on these trucks. I’m not convinced it’s not the placebo effect on the ones that guys switched out but that’s me. Also are your trucks the same 6 speed vs 6 speed 3.42 gear vs 3.42 gear ect? could just be gearing.

 

Updated pedal assembly thread 

 

 

As far as the tick seems some get louder/show up after some miles. My 015 was this way had 3k miles on it before I noticed it. Trust me I would have if it had been there. So give your brother-in-law some time you might still get the “wtf is this noise call” from him someday or maybe not...

O_J_Simpson Senior Enthusiast

O_J_Simpson

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No changes other than shortening the warranty for enhanced customer experience. They all start out quite but as the wear sits in the DI injectors get worn and get louder. Your 2018 will get to ticking within about 25k  miles.

BINFORD Enthusiast

BINFORD

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50 minutes ago, wforrest08 said:

GM did update the pedal assembly on these trucks. I’m not convinced it’s not the placebo effect on the ones that guys switched out but that’s me. Also are your trucks the same 6 speed vs 6 speed 3.42 gear vs 3.42 gear ect? could just be gearing.

 

Updated pedal assembly thread 

 

 

As far as the tick seems some get louder/show up after some miles. My 015 was this way had 3k miles on it before I noticed it. Trust me I would have if it had been there. So give your brother-in-law some time you might still get the “wtf is this noise call” from him someday or maybe not...

What change did they make to the accelerator assembly?  

wforrest08 Senior Enthusiast

wforrest08

Posted
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12 hours ago, BINFORD said:

What change did they make to the accelerator assembly?  

If you read though that thread it sounds like some guys believe the newer assembly takes some of the lag (when you push the pedal and the truck don’t go anywhere till it’s pressed 1/3 of the way down) out of the assembly by +/- resistance to the internal electronics of the assembly. The new part number supersedes the old one so GM changed something with it for sure. There is two different numbers one for 6speed one for 8speed. 6speed pedal is 53 bucks bolts right in.

 

Also if you haven’t done the paint stick pedal flex mod might want to check out that thread some guys claim that helps a lot also. There’s a video of the assembly flex somewhere it’s crazy IMO how much it flexes.

 

paint stick mod thread

 

 

BINFORD Enthusiast

BINFORD

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3 hours ago, wforrest08 said:

If you read though that thread it sounds like some guys believe the newer assembly takes some of the lag (when you push the pedal and the truck don’t go anywhere till it’s pressed 1/3 of the way down) out of the assembly by +/- resistance to the internal electronics of the assembly. The new part number supersedes the old one so GM changed something with it for sure. There is two different numbers one for 6speed one for 8speed. 6speed pedal is 53 bucks bolts right in.

 

Also if you haven’t done the paint stick pedal flex mod might want to check out that thread some guys claim that helps a lot also. There’s a video of the assembly flex somewhere it’s crazy IMO how much it flexes.

 

paint stick mod thread

 

 

Thanks for all the info on this subject. It will come in handy guys.

BINFORD Enthusiast

BINFORD

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On 1/3/2019 at 2:22 PM, BINFORD said:

Thanks for all the info on this subject. It will come in handy guys.

I did change out the accelerator pedal today to the new updated one and noticed a difference.  The truck responds better and accelerates better. Doing this and the shim under the assembly made big difference. 

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