Engine ticking sound
Thread Starter
Racer
Joined: Nov 2005
Posts: 346
Likes: 0
Engine ticking sound
I have 2002 Convertible with a remanufactured engine with about 4000 miles on it. Today, while driving, the engine started "ticking". It sounds like it is coming from cylinder #5 or#7. What could that be? A collapsed lifter, broken valve spring. bent push rod or a bad rocker arm ? Anyone know how to test for all the above? What is it most likely to be? Help !
Thread Starter
Racer
Joined: Nov 2005
Posts: 346
Likes: 0
ticking not very loud, oil pressure good, injectors quiet,no exhaust leak. How do you check a lifter? Will try to make and post a video. Thanks
Pro
Joined: Mar 2004
Posts: 653
Likes: 0
What oil brand and viscosity are you running, and what filter? I've seen ticking LS engines running on Mobil-1 5W-30 clear up just by switching to Mobil-1 High Mileage (extra zinc/phos anti-wear additives like the LS1 was originally specified to run.) In one case we went with Shell Rotella T6 5W-40 synthetic during hot weather, then back to M1 in the Fall. No more ticking.
For filters I stick with Wix or Purolator. Don't like the new "E-Core" filters Delco is selling, too flimsy looking inside.
For filters I stick with Wix or Purolator. Don't like the new "E-Core" filters Delco is selling, too flimsy looking inside.
Instructor
Joined: Apr 2012
Posts: 168
Likes: 26
From: San Lorenzo CA
I too developed a some what loud ticking sound coming from the passenger side of the engine and also a loss of performance. Turned out to be a loose plug wire and the ignition coil was arching. Replaced the plug wire and ticking and performance issues were solved. Check those plug wires.
Thread Starter
Racer
Joined: Nov 2005
Posts: 346
Likes: 0
What oil brand and viscosity are you running, and what filter? I've seen ticking LS engines running on Mobil-1 5W-30 clear up just by switching to Mobil-1 High Mileage (extra zinc/phos anti-wear additives like the LS1 was originally specified to run.) In one case we went with Shell Rotella T6 5W-40 synthetic during hot weather, then back to M1 in the Fall. No more ticking.
For filters I stick with Wix or Purolator. Don't like the new "E-Core" filters Delco is selling, too flimsy looking inside.
For filters I stick with Wix or Purolator. Don't like the new "E-Core" filters Delco is selling, too flimsy looking inside.
Thread Starter
Racer
Joined: Nov 2005
Posts: 346
Likes: 0
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Former Vendor
Joined: Feb 2007
Posts: 17,337
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From: Birmingham, AL www.hinsonsupercars.com 205-909-9402
Your not out of the woods what just yet.Now we need to see if its spark or a rod bearing. Does the tick change with rpm.
Last edited by HinsonSuperCars; Sep 4, 2013 at 11:52 AM.
Team Owner
Joined: May 2001
Posts: 87,294
Likes: 1,579
From: Western NY
Don't assume the worst, at least not yet. If you haven't "beaten" the car, you shouldn't have valvetrain issues, assuming it was put back together correctly. Check the basics, as mentioned above, first. Did the engine come with a warranty? If so, have you had the rebuilder, or their representative, look at it?
Le Mans Master
Joined: Dec 2000
Posts: 5,245
Likes: 25
From: Blue Ridge Georgia
An exhaust leak will sound just like a bad lifter. I've had it happen many times. It is not uncommon for a new motor to require the exhaust headers to be re-tighten after 4000 miles. I've had to replace the exhaust gaskets after that length of time many times. If the builder did not use one of the many fastners that lock the exhaust bolt into the hole it will become loose and it will sound just like a bad lifter or pushrod. That's where I would look.
Thread Starter
Racer
Joined: Nov 2005
Posts: 346
Likes: 0
Don't assume the worst, at least not yet. If you haven't "beaten" the car, you shouldn't have valvetrain issues, assuming it was put back together correctly. Check the basics, as mentioned above, first. Did the engine come with a warranty? If so, have you had the rebuilder, or their representative, look at it?
Last edited by rbrtclk; Sep 4, 2013 at 11:22 AM. Reason: incomplete