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Car Forum / Ford / Ford Trucks / July 2007

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Nut size on exhaust pipe to exhaust manifold bolts

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jamesh832@aol.com - 20 Jul 2007 04:28 GMT
Hello All,

I'm in the middle of changing my clutch out on my 2002 F150 4.2L V6
truck. Before I can remove the transmission, I have to disconnect the
exhaust pipes from the exhaust manifolds. The nuts have been sprayed
with Liquid Wrench and should be ready to come off. I know this sounds
stupid, but I can't seem to get the right size socket for the nuts.
5/8" is too big, 9/16" seems too small. Could it be 17/32"  or could
it be metric? I don't want to miss and round off the nuts. Anybody
know the proper size?  Thanks for any suggestions.

Jim Halbert
David M - 20 Jul 2007 10:56 GMT
On Thu, 19 Jul 2007 20:28:52 -0700, jamesh832 rearranged some electrons to
form:

> Hello All,
>
[quoted text clipped - 8 lines]
>
> Jim Halbert

It's most likely a metric size.

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David M  (dmacchiarolo)
http://home.triad.rr.com/redsled
T/S 53
sled351 Linux 2.4.18-14  has been up 23:57 1 user

aarcuda69062 - 20 Jul 2007 12:56 GMT
In article
<1184902132.813615.89370@57g2000hsv.googlegroups.com>,

> Hello All,
>
[quoted text clipped - 8 lines]
>
> Jim Halbert

15 millimeter perhaps?
Steve Barker - 20 Jul 2007 18:38 GMT
15mm  and use a 6pt socket.  put copious amounts of antisieze on them when
they go back.

Signature

Steve Barker

> Hello All,
>
[quoted text clipped - 8 lines]
>
> Jim Halbert
Jeff Strickland - 21 Jul 2007 01:14 GMT
If 5/8 is too small and 11/16 is too big, then the right answer is metric.
Off the top of my head, it should be a 15mm.

> Hello All,
>
[quoted text clipped - 8 lines]
>
> Jim Halbert
aarcuda69062 - 21 Jul 2007 14:56 GMT
> If 5/8 is too small and 11/16 is too big, then the right answer is metric.
> Off the top of my head, it should be a 15mm.

Umm...  15mm is smaller than 5/8"
Jeff Strickland - 21 Jul 2007 15:56 GMT
>> If 5/8 is too small and 11/16 is too big, then the right answer is
>> metric.
>> Off the top of my head, it should be a 15mm.
>
> Umm...  15mm is smaller than 5/8"

Well alrighty then, try the 17mm and see what happens ...
Jeff Strickland - 21 Jul 2007 16:04 GMT
>>> If 5/8 is too small and 11/16 is too big, then the right answer is
>>> metric.
[quoted text clipped - 3 lines]
>
> Well alrighty then, try the 17mm and see what happens ...

My bad, 15 is still the right answer because the fraction sizes in question
are 9/16 and 5/8, not 5/8 and 11/16.

BACK TO THE ORIGINAL QUESTION
Just because you have an American car or truck, you are not shielded from
needing metric wrenches anymore. With the globalization of manufacturing and
sales of Stuff, metric wrench sizes have crept into the American
marketplace. I worked on a Jeep suspension system that had a fraction sized
nut and a metric sized bolt head on the same fasterner. Perhaps the linkage
was fastened with metric hardware on one end and fraction hardware on the
other -- that makes more sense. Either way, it was crazy to find both kinds
of fasteners in the same application doing essentially the same job, which
was the only point I wanted to make.
aarcuda69062 - 21 Jul 2007 16:40 GMT
> >> If 5/8 is too small and 11/16 is too big, then the right answer is
> >> metric.
[quoted text clipped - 3 lines]
>
> Well alrighty then, try the 17mm and see what happens ...

Why?  He said 5/8" was too big.  5/8" is very close to 16mm.
samstone@aol.com - 21 Jul 2007 18:46 GMT
>> >> If 5/8 is too small and 11/16 is too big, then the right answer is
>> >> metric.
[quoted text clipped - 5 lines]
>
>Why?  He said 5/8" was too big.  5/8" is very close to 16mm.

the OP also ask if a 17/32 would work even though a 9/16 was to small
-                    :-/    maybe a chinese made 9/16" would work
aarcuda69062 - 21 Jul 2007 22:47 GMT
> >> >> If 5/8 is too small and 11/16 is too big, then the right answer is
> >> >> metric.
[quoted text clipped - 8 lines]
> the OP also ask if a 17/32 would work even though a 9/16 was to small
> -                    :-/    maybe a chinese made 9/16" would work

Makes ya wonder if they stopped teaching fractions in grade
school...
Rodan - 21 Jul 2007 09:08 GMT
<jamesh832@aol.com> wrote:      (2002 F150 4.2L V6)

I'm changing my clutch and I have to disconnect the
exhaust pipes from the manifolds.  I can't seem to get
the right size socket for the nuts.  5/8" is too big, 9/16"
is too small.  Could it be 17/32" or could it be metric?
       =============================

 9/16 = .5625 In = 14.288 mm

  5/8 = .6250 In. = 15.875 mm

If it's metric it will be 15 mm

Good luck.

Rodan.
 
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