Labor Hours to replace Knock Sensor Nissan Maxima.

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mail2bachi@gmail.com - 29 Jul 2007 14:57 GMT

Hi

I have a 1998 Nissan Maxima. My car dealer has estimated 4 hrs labor
to replace the knock sensor and 1 hr labor to replace the O2 sensor.
Is this reliable or is he ripping me off?

Your help would be appreciated.

Thank You
BR.

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JimV - 29 Jul 2007 15:39 GMT

> Hi
>
[quoted text clipped - 6 lines]
> Thank You
> BR.

He's quoting you book labor rate. In reality it's about 15 min to change
each. The factory says to remove the intake to get to the KS, that's why
the book rate labor is so high, but in reality you can get it out w/o
taking it off.

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mail2bachi@gmail.com - 31 Jul 2007 19:03 GMT

> mail2ba...@gmail.com wrote:
> > Hi
[quoted text clipped - 12 lines]
> the book ratelaboris so high, but in reality you can get it out w/o
> taking it off.

Hi Jim,

THanks for the reply.
Do you which popular auto store might do it fast.
This guy says it takes them 4 hrs to replace it.

Thank You
BR.

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E Meyer - 31 Jul 2007 20:33 GMT

On 7/31/07 1:03 PM, in article
1185904980.369643.232560@57g2000hsv.googlegroups.com, "mail2bachi@gmail.com"

>> mail2ba...@gmail.com wrote:
>>> Hi
[quoted text clipped - 21 lines]
> Thank You
> BR.

Find the one with the 98 pound weakling wielding the wrench. The knock
sensor is under the intake manifold. You can see it but the space is really
tight. you might be able to reach in and touch it if you have really thin
hands. This is why the prescribed procedure includes removing the intake
manifold. When I changed the KS on my '96, my wife (98 pounds) was able to
reach in and thread the bolt into it. Others have had some success with
wrenches with long extensions and u-joints.

Just out of curiosity, why do you want to change it? A good KS will
occasionally throw a code anyway (probably why it doesn't light the
check-engine light). Reset the codes and drive it for a while & see if the
code comes back before you do anything to it.

You should go ahead with the O2 sensor though. That's a real fault and
probably what lit your engine light.

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