14 Tundra 130k Blown head gasket - TundraTalk.net - Toyota Tundra Discussion Forum

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post #1 of 12 (permalink) Old 03-26-2019, 02:39 PM Thread Starter
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14 Tundra 130k Blown head gasket

Anyone experience a blown head gasket this early? Dealer maintained, towed 23' wake boat very occasionally.

Any quick fixes?

TIA
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post #2 of 12 (permalink) Old 03-26-2019, 07:20 PM
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130K isn’t THAT early.
The only fix I know of is to remove the head and replace the gasket.

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post #3 of 12 (permalink) Old 03-26-2019, 10:10 PM
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Dealer diagnose?

What symptoms?
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post #4 of 12 (permalink) Old 03-26-2019, 10:26 PM Thread Starter
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Dealer diagnose?

What symptoms?
Dealer diagnosed cyl # 8 misfire. Swapped some stuff around to isolate. Still throwing code.
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post #5 of 12 (permalink) Old 03-27-2019, 01:06 AM
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How about a compression test and/or taking the valve cover off to look for a broken valve spring or rocker arm?

2010 RCSB ([email protected]) - AWD conversion, Pauter rods, JE 8.5:1 pistons, Ti int & SS exh valves, Ti retainers, 5 angle valve job, P&P heads, TRD SC w/ 50mm pulley, ASP crank pulley, 84mm TB, SABM, IPT VB, JBA LTs, Killer Chiller, 1.25 Gal IC tank, Frozenboost 101 HE, IKH-24 plugs, 325 LPH AM FP, 2"/4" Belltech drop, weight reduction, NOS direct port 200hp
2008 DCLB (331whp/336wtq) - AWD conversion, IS250 paddle shifters, 12" BP lift + Toytec 3" shackles + 4" blocks, Airlift bags, 17" MotoMetals with 37x12.5 Coopers + 3" spacers, ARB frt bumper, KC 8" lights, flares, LEER canopy
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post #6 of 12 (permalink) Old 03-27-2019, 10:38 AM
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How about a compression test and/or taking the valve cover off to look for a broken valve spring or rocker arm?
Exactly what I was thinking. Hard to believe someone would claim a head gasket without at least a compression test or pull the plug to check for cross-contamination.
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post #7 of 12 (permalink) Old 03-27-2019, 06:55 PM
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Leakdown test would be necessary otherwise they are just assuming. A compression test would dictate if a cylinder was losing pressure, but it could still be losing pressure due to a broken valve spring if the valve isn't holding closed. A leakdown would tell where the loss is, gasket, valve, etc...


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I put the Laughter in Slaughter, and the Fun in funeral.
KTM 450xc QUAD, Baldwin head, Ti valves, 8/06 cam, motoworks, goldspeed tires...
Gone/not forgotten: 2010 CM RW that was sweet,
NOW: 2017 Platinum. Tinted, trd duals, Exo Grapplers. Led h-lights and interior, Hard hat tonneau, line-x, Rancho uca/level'd
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post #8 of 12 (permalink) Old 03-27-2019, 11:01 PM
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Head gasket failure is extremely difficult to diagnose until it gets so bad that the coolant level starts to quickly drop. I had a head gasket go at 67,000 miles and knew that there was a problem with the engine. I took it to 3 dealers and 2 independent garages and after spending $1400 no one could determine what was actually at fault. After another 15K miles the head gasket failed to the point where the engine was sucking up coolant and then it was easy to diagnose and fix the problem.
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post #9 of 12 (permalink) Old 03-28-2019, 08:03 AM
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Head gasket failure is extremely difficult to diagnose until it gets so bad that the coolant level starts to quickly drop. ... After another 15K miles the head gasket failed to the point where the engine was sucking up coolant and then it was easy to diagnose and fix the problem.
Oof! Does a head gasket failure in 3EUR engines risk leaking coolant into engine oil? After coming from chevy small block world, I'm still familiarizing myself w/ Toyota engines. Coolant in oil can quickly trash the engine bearings, requiring a tear-down & rebuild.

Also, I'd think a failed pressure test on the cooling system would have indicated possibility of head gasket failure, no? Then a chemical test for presence of combustion gases in coolant would have (probably) confirmed it.

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post #10 of 12 (permalink) Old 03-28-2019, 08:28 PM
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Head gaskets can typically fail in any/all engines in multiple ways. Between the water jacket, and cylinder, water jacket and oil galleys, cylinder and oil galleys, or in air cooled engines, cylinder and the outside of the block.

Coolant combustion gas tests only tell if it has failed between the water jacket and the cylinder. Coolant in oil or oil in coolant only happens if the gasket fails between those areas most often, but you can get coolant into the oil if enough coolant is being pushed into the cylinder. Different engines have different failures for head gaskets. Like diesels (6.0/6.4) you typically get coagulated coolant with oil and combustion gasses. Older gassers like my 3.8 Turbo in the GN most commonly failed and would push coolant into the cylinder and into the engine/oil pan. But the force of the coolant trying to hydrolock the engine under compression would take the bearings out and cause a knock before enough coolant was in the oil to totally ruin the bearings from contamination. Those were an odd bird though. Too much boost would lift the head, and literally flood the engine with coolant trying to lock it up.


I'm not sure how the Tundra's 5.7's fail most often.


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I put the Laughter in Slaughter, and the Fun in funeral.
KTM 450xc QUAD, Baldwin head, Ti valves, 8/06 cam, motoworks, goldspeed tires...
Gone/not forgotten: 2010 CM RW that was sweet,
NOW: 2017 Platinum. Tinted, trd duals, Exo Grapplers. Led h-lights and interior, Hard hat tonneau, line-x, Rancho uca/level'd
I like weapons. I dont capitalize, use spell check, or punctuate properly...
and you can call me Power.

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post #11 of 12 (permalink) Old 04-03-2019, 06:40 PM
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... Older gassers like my 3.8 Turbo in the GN ....
Off topic ... I have a garage queen '87 GN ... we're an "elite" group ;-)
At most, I might see 3-4 GNs per year in So Calif these days.

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post #12 of 12 (permalink) Old 04-03-2019, 07:08 PM
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Off topic ... I have a garage queen '87 GN ... we're an "elite" group ;-)
At most, I might see 3-4 GNs per year in So Calif these days.
There's quite a bit here, especially around Woodward Cruise time. Huge group.

I sold mine (87) last fall, but the guy who bought it has came in a few times this week because he replaced the floor, and fubar'd something, and they are odd birds till you learn what's what. I'll help him with it.

Mine needed body work, mechanically it was good. I have no garage, and finally figured he came in blind, saw it while putting in my new driveway, and said name your price so I did.

I need a garage before I get another one.


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I put the Laughter in Slaughter, and the Fun in funeral.
KTM 450xc QUAD, Baldwin head, Ti valves, 8/06 cam, motoworks, goldspeed tires...
Gone/not forgotten: 2010 CM RW that was sweet,
NOW: 2017 Platinum. Tinted, trd duals, Exo Grapplers. Led h-lights and interior, Hard hat tonneau, line-x, Rancho uca/level'd
I like weapons. I dont capitalize, use spell check, or punctuate properly...
and you can call me Power.
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