Spark plug tube nut torque

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Old 05 Dec 2011, 02:49 pm   #1 (permalink)
Jaybird
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Default Spark plug tube nut torque

I4 5SFE engine
I'm trying to confirm the torque on the 30mm spark plug tube nuts that
secure the valve cover..
Haynes manual shows 33 FTLB and Toyota shows 17 FTLB. Which one is
correct ? 17 seems too low.
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Old 05 Dec 2011, 10:13 pm   #2 (permalink)
ED
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Default Re: Spark plug tube nut torque


"Jaybird" <Jaybird972@gmail.com> wrote in message
news:nv7qd7tullsd8761u19qvffbk8i7mj8m3u@4ax.com...
> I4 5SFE engine
> I'm trying to confirm the torque on the 30mm spark plug tube nuts that
> secure the valve cover..
> Haynes manual shows 33 FTLB and Toyota shows 17 FTLB. Which one is
> correct ? 17 seems too low.


http://meisners.net/camry/5sfeTurbo.pdf

Re-install valve cover. Torque 30mm nuts to17ft-lb


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Old 07 Dec 2011, 09:57 am   #3 (permalink)
Jaybird
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Default Re: Spark plug tube nut torque

After investigating, I've come to the conclusion that the torque specs
changed from Gen 3 to Gen 4. Both the Toyota and the Haynes manuals
confirm this. They increased the torque and I believe the rubber seals
are thicker on the later design. Toyota probably did this due to the
sealing problems with this engine.

Any Toyota techs out there that can confirm this?

On Mon, 5 Dec 2011 22:13:58 -0500, "ED" <xxagon@hotmail.com> wrote:

>
>"Jaybird" <Jaybird972@gmail.com> wrote in message
>news:nv7qd7tullsd8761u19qvffbk8i7mj8m3u@4ax.com.. .
>> I4 5SFE engine
>> I'm trying to confirm the torque on the 30mm spark plug tube nuts that
>> secure the valve cover..
>> Haynes manual shows 33 FTLB and Toyota shows 17 FTLB. Which one is
>> correct ? 17 seems too low.

>
>http://meisners.net/camry/5sfeTurbo.pdf
>
> Re-install valve cover. Torque 30mm nuts to17ft-lb
>

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