Jump to content

Weird tick before engine warms up 5.3 custom trail boss

ct_corey

Recommended Posts

towdog333 Enthusiast

towdog333

Posted
Posted
2 hours ago, Stex said:

 

How many miles did you put on it? The ones I see in my friends repair shop for lifters and cam have about 110,000 to 125,000. Not sure how they maintained it but the rides looked to be in good shape and maintained? .

only had 17000 on it, one mechanic told me that's what theses motors normally sound like. Like I said never had any problem with the truck. 

  • Replies 47
  • Created
  • Last Reply
ct_corey Enthusiast

ct_corey

Posted
  • Author
Posted
On 5/4/2019 at 9:42 AM, Stex said:

Lifter is my guess. Wish GM would put AFM and DFM on the shelf. The lifters and oil pressure on off for the DFM is complex and I just do not think they will go 100,000 +.  I would change oil and add BG MOA to the oil. And keep after the dealer to perform the bulletin check above is it continues to tick after warm up. It sounds like, If it goes away after warm up, all you can do is wait for it to get worse before GM will go in. Piston slap is a possibility.

I would have thought a lifter too but it doesn't make the noise at all on initial cold start. It only starts once the RPMs drop from high idle.  The truck could idle for 30 seconds before the rmps  drop. Once the rpms drop all the way down to normal idle is when the clacking starts, and then it goes away after about a minute. Sometimes is last only a few seconds or wont do it at all. Very strange. I found a few posts of the last gen trucks that had a noise from a bad belt driven pump. Sounds Identical to mine but this new design doesn't have that pump. Super weird. 

ct_corey Enthusiast

ct_corey

Posted
  • Author
Posted

after the rpms drop and its making the noise, I can give a bit of throttle up to about 1000 rpm and the noise doesn't change at all. Anything over that it goes away. After the rpms drop back down the noise comes back. Then after a minute it goes away 

Stex Senior Enthusiast

Stex

Posted
Posted

Ya, those symptoms do not sound like a collapsible lifter failing.  Seems way to early on these trucks for the DFM/lifter issues to show up.  The symptoms you gave  sound external to the engine.  Let us know if they ever figure it out. .

Sierra Dan Senior Enthusiast

Sierra Dan

Posted
Posted
On ‎5‎/‎3‎/‎2019 at 5:50 PM, HondaHawkGT said:

Piston slap?

Piston slap really has not been an issue since the GMT800 platform.

My 2001 Silverado developed this at around 38k

Sierra Dan Senior Enthusiast

Sierra Dan

Posted
Posted

The very intermittent somewhat longer interval  " Tick...……….  Tick...…………  Tick...……"  is just the engine/related parts (exhaust) warming up and expanding.

My '14 sierra has done this since day one. It is sort of like when you shut the truck off and hear a Tick......Tick...… as the parts cool off

Now a "Tick,Tick,Tick,Tick,Tick" in fast short interval succession does indicate a more serious internal issue.

 

Here is the noise I consider normal. Seems to clearly be coming from the exhaust manifold area or heat shield expanding confirmed by posters comments.

 

 

 

mikedeezxxx Enthusiast

mikedeezxxx

Posted
Posted

It’s the exhaust. My wife’s 2018 Durango RT does the same thing. Dealership said it’s the exhaust manifold heating up. Doesn’t sound good but they said it’s not an internal engine issue. My buddy has the the same exact Durango and his doesn’t make the noise.


Sent from my iPhone using Tapatalk

ct_corey Enthusiast

ct_corey

Posted
  • Author
Posted

so weird how they all don't do it. The dealer had mentioned it may be the exhaust. Mine is super loud though. Other then this the truck runs fantastic. 

 

I hope they have a solution to fix it. Don't want to be one of those pain in the ass customers but the noise makes the truck sound like crap.  My 16 never did it and no one on here has heard it on their new body style 19. 

Minnvmax Enthusiast

Minnvmax

Posted
Posted

My last two were like that. I was hoping it was fixed by now. It was the new normal and didnt seem to affect longevity. My 13 sounded like a diesel last winter on cold start up.  We'll see after I get some miles on my new one. 

ct_corey Enthusiast

ct_corey

Posted
  • Author
Posted
On 5/8/2019 at 4:27 PM, Minnvmax said:

My last two were like that. I was hoping it was fixed by now. It was the new normal and didnt seem to affect longevity. My 13 sounded like a diesel last winter on cold start up.  We'll see after I get some miles on my new one. 

does your new 19 do that? Are you referring to the noise mine is making about half way through the video. Almost like a popping noise? 

Minnvmax Enthusiast

Minnvmax

Posted
Posted
3 hours ago, ct_corey said:

does your new 19 do that? Are you referring to the noise mine is making about half way through the video. Almost like a popping noise? 

No but my last 2 did. Cold start rattle that would clear up fast.

ct_corey Enthusiast

ct_corey

Posted
  • Author
Posted
11 hours ago, Minnvmax said:

No but my last 2 did. Cold start rattle that would clear up fast.

listen to the video. Its no an initial start rattle. After the RPMS drop their is a loud popping/ clicking noise. 

K455 Enthusiast

K455

Posted
Posted
On 5/7/2019 at 11:35 AM, Sierra Dan said:

The very intermittent somewhat longer interval  " Tick...……….  Tick...…………  Tick...……"  is just the engine/related parts (exhaust) warming up and expanding.

My '14 sierra has done this since day one. It is sort of like when you shut the truck off and hear a Tick......Tick...… as the parts cool off

Now a "Tick,Tick,Tick,Tick,Tick" in fast short interval succession does indicate a more serious internal issue.

 

Here is the noise I consider normal. Seems to clearly be coming from the exhaust manifold area or heat shield expanding confirmed by posters comments.

 

 

 

Hey Dan I replied to a post about this on my 19 TB,I agree exhaust manifold heating up,or some other external parts expanding.Just like when you shut your bike off you can hear the exhaust tick,or click

Sierra Dan Senior Enthusiast

Sierra Dan

Posted
Posted
16 hours ago, K455 said:

Hey Dan I replied to a post about this on my 19 TB,I agree exhaust manifold heating up,or some other external parts expanding.Just like when you shut your bike off you can hear the exhaust tick,or click

Exactly.

Happens in reverse after truck is shut off during cooldown. It all reminds me of the 05 Avalanche i had.

The muffler would make a loud intermittent tick when cooling off.

Archived

This topic is now archived and is closed to further replies.

Go to topic listing

  • Latest Articles

  • Posts

    • Atlas
      Wow I'm in a pickle. (Broke down truck) and a story.

      By Atlas · Posted

      "Teardown" is complete. Head surfaces are clean and ready, new intake is prepped and ready. Coolant drained and water pump is removed, radiator is removed, new hoses and pump are ready.   The replacement intake is also from a '95 (with I think 260k, the odometer said). Noticeably less pitting where it covers the rear coolant passages. I'm not sure if that's a tribute to more frequent use, more frequent coolant changes/upkeep, or if the intake was machined at some point. But it appears I found a good one.   My coolant hoses were original, and the lower hose still retained the factory spring inside. It's not really rusty, but it's got deposits all over it. Unsure if I should re-install it (will thoroughly clean it first). Someone said hose technology has gotten better since 1995 (has it?) and I don't need the spring. I think modern EPDM is what made those hoses last from 1995-2026, so it's a question of how much suction can the water pump really pull, and will it collapse the hose without a spring?   I'm stopped and waiting for parts, however.   When I first brought the truck home, the fan was intermittently hitting the radiator shroud. I could see someone had monkeyed with the shroud (put a bunch of cardboard as a spacer between the upper/lower shroud halves. Someone said the motor mounts have likely failed and the engine has sagged. I wasn't sure I believed that. The engine is really solid in its mounts: To remove the old intake I *just* nearly permanently welded to the heads with freshly cured RTV and gasket snot two weeks ago, I literally had to use the arms on my lift and a chain with a bolt attached to the intake to pull it loose. It almost picked the front of the truck off the ground before ....scuuuuuuuuuuup.... I could actually hear the gaskets tearing and it broke loose and the whole truck settled back down. Motor barely moved.   SO, those parts I'm waiting on... The lower radiator mounts/bushings had completely failed. The radiator needs to be insulated from the rad support, and the bushings help the rad stand at the correct height. The plastic "baffle" was also destroyed at some point. Someone had attached the shroud to it incorrectly, overlapping a joint that should have been underlapped, creating another suspect issue potentially causing things to hit the fan. Broken tabs, side is busted off, and it's perma-formed/bent where it was jimmied incorrectly.   The baffle? Unobtainum. Long since discontinued from GM, of course. Aftermarket/capa/chinese? Also unobtanium. In GM's infinite wisdom, it appears there are at least two different variations whether the Blazer is 2 or 4 door, and I can't yet tell if they shared the same part with the S-pickups. Plan B, if I can't find a viable used one, will be to create a bracket to re-assemble the critical joint I need to seal a gap with the shroud. But that will bug me, it won't be...perfect.   The water pump bolts appear to have been installed with...plumber's putty. I guess, sure, if it works...? I've found a few "backyard fixes" like that. Someone's been here before....   If I can't find someone to jam bamboo under my fingernails to fill my free time this week I think I'll install the driver's power window motor and replace the rear door speaker that's inop. I've got a genuine GM "9.5" ohm working replacement. Why GM used a non-standard resistance....nevermind. Of course they did, you can get more sound from a cheap factory amp that way.   And the saga goes on...
    • glenn27
      Different requirements for oil filters?

      By glenn27 · Posted

      // Thank you, also for your  response. More information is always good. This 2013 GMC is most likely my 'forever truck"-I'm 77 and retired...and truck only has 42K on it-very clean-so I try to keep it that way.  Tks again for your  response- glenn
    • smooth68
      Alternate wiring for Kicker sub with Bose system. (DO THIS)

      By smooth68 · Posted

      I started my install this weekend. Everything was pretty straight forward but I ran into one issue with running power through the firewall. The nipple grommet on my High Country already has a small harness running through it - has anyone else ran into this issue? And on the engine bay side, does the wire basically just penetrate the factory wiring boot? I did this on my '22 Trail Boss and it seems much easier but thats been a few years. My other thought would be possibly drilling a new hole adding a rubber grommet just to the lower left of the factory hole. Thoughts?   Has anyone used a T-harness off the Bose amp and obtained power from there? It seems a little odd that such a small amp needs 3 power leads
    • glenn27
      Different requirements for oil filters?

      By glenn27 · Posted

      ///// Ok--Thanks for that info--I could not find yesterday when I looked for the specs on that NAPA filter what I wanted. Their website is not very user friendly. I buy all teh filters for  our three vehicles once or twice a year. Have always run NAPA Gold on everything I own....I buy it thru my Son's account for his business-which he has a Heavy Equipment repair shop-one reason he uses NAPA so much-they have such a full line of coverage for just about anything/anywhere- He gets s  good discount because of volume bought. Anyway-Thank you -Sir for your response.   glenn
    • PhilB
      No 12v outlets in 2026 gmc Sierra

      By PhilB · Posted

      It is possible to add your own 12v outlet to your truck.  Check out this video:   I verified via GM Upfitters that pin 31 is the same on the 1500 trucks.  The wire is GM part number 84779405.   You can get the GM 12v outlet from Amazon  https://www.amazon.com/Genuine-Accessory-Receptacle-25774623-13549530/dp/B0F1H9YRGF EWAY 12 Volt Power Adapter for GM   https://www.amazon.com/EWAY-Chevrolet-Silverado-Cigarette-Ignition/dp/B0915RRW6Q/ref=sr_1_1?   I just haven't figured out a good place to put the 12v outlet in my truck.   Some people are getting USB-C to 12V adapters  https://www.amazon.com/WYMECT-Cigarette-Lighter-Socket-Adapter/dp/B0F87WNQKB/ref=sr_1_1_sspa? Not sure if they provide the correct amperage that a device like a tire inflator would need.  

  • GM-Trucks.com Clubs

  • Popular Contributors

×
×
  • Create New...