Ticking Noise From Exhaust Manifold on Toyota Tundra

The V8 models can experience exhaust manifold failures. A leaking exhaust manifold will sound like an exhaust leak or an audible ticking noise from the engine compartment and will be especially pronounced when the engine is still cold.

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Average mileage: 90,146 (5,000–235,000)
11 model years affected: 2000, 2001, 2002, 2003, more2004, 2005, 2006, 2007, 2008, 2009, 2012
165 people reported this problem
110 people shared problem details
2000 Toyota Tundra121,000
2007 Toyota Tundra57,000
I have been experiencing leaking sound, very similar to the sound a a diesel truck makes upon acceleration , it gets louder when accelerating and really bad if towing. how can i get this correctly diagnosed
2000 Toyota Tundra36,000
2006 Toyota Tundra85,000
just started ticking. sounds like it is coming apart when it is cold. goes away when it warms up. Toyota should have a recall on them if they any kind of company and wants to keep their customers
2001 Toyota Tundra90,000
Driver side exhaust manifold had a hair line crack in it.I removed the manifold and welded up the crack myself.I did the whole job in two hours.
2003 Toyota Tundra107,000
Loud tapping that sounds like old valve adjustment needed but goes away in 2 - 3 minutes when it warms up. I haven't found the cause. I'm wanting to know where are the exhaust manifolds cracking so I can check it out.
2007 Toyota Tundra40,000
The air injection pump when bad on my 2007 Tundra with the 5.7 V8 at around 40,000 miles in January 2012. When I got my truck back, I noticed there was a noise similar to an exhaust leak coming from the engine compartment. I took it back the next week and the mechanics said they could hear it but did not know what it was. They said there was nothing they could do about it. Two weeks later I was still not satisified and took it back. The service manager rode with my wife and said he could not hear anything and the noise was normal. December 1, 2012 I took my truck in to a different dealer for the recall on the driver side power window control unit and had them check out the noise. Well, it turns out there is a crack in the driver side manifold next to where the air injection pump tubing ties-in. I am 3 months past the 5 yr., 60,000 mile warranty but only have 56,000 miles on my truck. The dealership told me to take it back to the original dealership to have them request an out of warranty repair from Toyota. We will see what happens. I wonder if this is covered by the emissions warranty?
2008 Toyota Tundra48,000
warped exhaust manifold toyota refuses to replace
2012 Toyota Tundra5,000
very very loud ticking noise, i can hear over the radio......dealership never ever hears it. I hate my new 2012 tundra
2000 Toyota Tundra28,000
we bought truck new in 2000. it started ticking around 28000. we told dealership and they stated all of the trucks do it. then our warranty ran out and truck has 160,000 miles on it ticking loudly down the road. worse when cold, worse when towing, but does it always.
I am also experiencing this problem after changing timing belt and water pump. It also is idling rough. My check engine light cams on though...did anyone else's?
2008 Toyota Tundra38,000
I have had this truck in three times for the same problem so far. Nothing fixed. Ticking keeps getting louder and louder. It has lost alot of it's power since the ticking started. I think sometimes I will have to get out and push it when going up a hill. The mechanic says it sounds like the manifold has a leak, but it would take too much time to fix it. I'm thinking he doesn;t know how to fix it. This truck is a piece of junk. The heater doesn't work either. Toyota needs to take their assembly plants back to Japan and use only parts made in Japan. This Tundra is the 5.7 L V-8 Double Cab. I bought it new in 2008. It has 38,000 miles.
2007 Toyota Tundra68,000
same as the rest dont know if i'll buy another toyota product again
2008 Toyota Tundra80,000
Ticking noise from under hood, cant be lifters cause it cant really be heard at idle but when motor is working you can hear what sounds like an exhaust leak.
2000 Toyota Tundra75,000
Has not been fixed, was just out of warranty and dealership wanted a bundle to repair. I thought it was an O-ring, easy fix and delayed addressing until it was to late, warranty expired 500$ part plus labor. Ouch
2001 Toyota Tundra102,000
warped exhaust manifold toyota refuses to replace
2001 Toyota Tundra85,000
I had the ticking noise when cold and when accelerating. Toyota confirmed a passenger side warped manifold flange. They want $1,200 to repair it.
2009 Toyota Tundra60,000
cracked driver side exhaust manifold . Dealer failed to diagnose problem until 2nd visit.
Truck clicks on acceleration, then subsides when at speed or until I step on gas again. Very loud ticking, just like the card-in-a-bicycle-tire sound explained by others with this problem. This sound is not one that a dealer or anyone else could miss or not hear during the test drive as it's loud and appears to be slowly getting louder and louder. Haven't got it fixed yet because don't have the money. Anyone have any idea what this might be, if not the exhaust manifold cover, or costs?
2005 Toyota Tundra167,000
The tick was noticed at 8000 miles. Dealer couldn't reproduce the problem. Now that it is highly noticeable all the time, I have no recourse. Very disappointed in Toyota for such a significant engineering design problem and no effort to address the problem.
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