loosen screw

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turttle - 18 Oct 2005 00:08 GMT

I am trying to take the AFM off the carb in a 1992 Nissan Sentra but
one of the screws is stuck. It is a Philips and I don't want to wreck
the screw head and cause more problems. Is it true that using a
larger screw driver may work?
thanks

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Remco - 18 Oct 2005 02:24 GMT

> I am trying to take the AFM off the carb in a 1992 Nissan Sentra but
> one of the screws is stuck. It is a Philips and I don't want to wreck
> the screw head and cause more problems. Is it true that using a
> larger screw driver may work?
> thanks

Spray it with some penetrating oil (croyl, etc) and let it soak for a
while. Then tap the screwdriver head with a hammer and carefully loosen
it, all the while exerting pressure on the screwdriver head.

If that doesn't work, you could borrow or buy(sears) an impact
screwdriver. This turns the screwdriver when you bang on it with a
hammer - if that doesn't get it out, you may need to put some heat to
it (torch)

Remco

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Andy Champ - 18 Oct 2005 21:30 GMT

>>I am trying to take the AFM off the carb in a 1992 Nissan Sentra but
>>one of the screws is stuck. It is a Philips and I don't want to wreck
[quoted text clipped - 12 lines]
>
> Remco

Flaming torch... carburettor full of fuel.... methinks a little caution
may be required!

Andy

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Remco - 18 Oct 2005 21:47 GMT

> >>I am trying to take the AFM off the carb in a 1992 Nissan Sentra but
> >>one of the screws is stuck. It is a Philips and I don't want to wreck
[quoted text clipped - 15 lines]
> Flaming torch... carburettor full of fuel.... methinks a little caution
> may be required!

A very good point, Andy - I assumed the carb was off and drained.
The impact screwdriver gets loose the most stubborn of screw. If
there's still fuel in the area, still be careful as a small spark from
that tool could set off a fire.

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