crank bolt right or left hand thread?
#121
Guest
Posts: n/a
Re: crank bolt right or left hand thread?
"Elle" <honda.lioness@nospam.earthlink.net> wrote
> :-)
>
> That's the other one that's a bear for the home mechanic, as
> you may have heard.
>
> I will say that my coolant block bolt was only tough the
> very first time I freed it.
As you've probably known, the bolt has a very shallow head.
This was the main problem. I had to build a jig to steady the
tool. After some thought the jig was nothing but two blocks
of wood (a 2x4 and a 2x1) and it was freed easily. :~)
> I appreciate your enthusiasm, but I don't think doing a
> careful check of the "break free" torque will reveal
> anything new. We all already know that after several years
> and many miles of driving, the bolt becomes very tight.
I see. But looks like I do this at a later time. I'd set up the
chain come-along but I can't locate a buddy of mine who
has a 5-ton crane scale.
The 88 Accord pulley bolt which I believe had driven some
80k miles before the belt was changed was loosen easily. The
92 Accord was driven about the same miles but the bolt
needed help from a machine.
> If your Accord's pulley bolt is not very tight, then this
> just suggests (to me) little time has transpired since it
> was last freed.
>
> There are some other suppositions that one can make, but I
> don't care to venture into what may be fantasy land.
>
> It certainly could be simply "cold welding" of this fine
> threaded bolt subjected to terrific dynamic loads and
> temperature variations.
> :-)
>
> That's the other one that's a bear for the home mechanic, as
> you may have heard.
>
> I will say that my coolant block bolt was only tough the
> very first time I freed it.
As you've probably known, the bolt has a very shallow head.
This was the main problem. I had to build a jig to steady the
tool. After some thought the jig was nothing but two blocks
of wood (a 2x4 and a 2x1) and it was freed easily. :~)
> I appreciate your enthusiasm, but I don't think doing a
> careful check of the "break free" torque will reveal
> anything new. We all already know that after several years
> and many miles of driving, the bolt becomes very tight.
I see. But looks like I do this at a later time. I'd set up the
chain come-along but I can't locate a buddy of mine who
has a 5-ton crane scale.
The 88 Accord pulley bolt which I believe had driven some
80k miles before the belt was changed was loosen easily. The
92 Accord was driven about the same miles but the bolt
needed help from a machine.
> If your Accord's pulley bolt is not very tight, then this
> just suggests (to me) little time has transpired since it
> was last freed.
>
> There are some other suppositions that one can make, but I
> don't care to venture into what may be fantasy land.
>
> It certainly could be simply "cold welding" of this fine
> threaded bolt subjected to terrific dynamic loads and
> temperature variations.
#122
Guest
Posts: n/a
Re: crank bolt right or left hand thread?
Michael Pardee <michaeltnull@cybertrails.com> wrote:
>All everybody agrees on is that it is a devil to get loose, at least for
>the first timing belt change.
After 375k I've done a bunch. It was a bitch the first time and it was a
bitch the most recent time. In all cases the usual 250ish foot-pound
impact wrench on a quarter-inch hose wouldn't budge it, though I wasn't
willing to spend all day on it before breaking out the big guns.
>All everybody agrees on is that it is a devil to get loose, at least for
>the first timing belt change.
After 375k I've done a bunch. It was a bitch the first time and it was a
bitch the most recent time. In all cases the usual 250ish foot-pound
impact wrench on a quarter-inch hose wouldn't budge it, though I wasn't
willing to spend all day on it before breaking out the big guns.
#123
Guest
Posts: n/a
Re: crank bolt right or left hand thread?
Michael Pardee <michaeltnull@cybertrails.com> wrote:
>All everybody agrees on is that it is a devil to get loose, at least for
>the first timing belt change.
After 375k I've done a bunch. It was a bitch the first time and it was a
bitch the most recent time. In all cases the usual 250ish foot-pound
impact wrench on a quarter-inch hose wouldn't budge it, though I wasn't
willing to spend all day on it before breaking out the big guns.
>All everybody agrees on is that it is a devil to get loose, at least for
>the first timing belt change.
After 375k I've done a bunch. It was a bitch the first time and it was a
bitch the most recent time. In all cases the usual 250ish foot-pound
impact wrench on a quarter-inch hose wouldn't budge it, though I wasn't
willing to spend all day on it before breaking out the big guns.
#124
Guest
Posts: n/a
Re: crank bolt right or left hand thread?
Michael Pardee <michaeltnull@cybertrails.com> wrote:
>All everybody agrees on is that it is a devil to get loose, at least for
>the first timing belt change.
After 375k I've done a bunch. It was a bitch the first time and it was a
bitch the most recent time. In all cases the usual 250ish foot-pound
impact wrench on a quarter-inch hose wouldn't budge it, though I wasn't
willing to spend all day on it before breaking out the big guns.
>All everybody agrees on is that it is a devil to get loose, at least for
>the first timing belt change.
After 375k I've done a bunch. It was a bitch the first time and it was a
bitch the most recent time. In all cases the usual 250ish foot-pound
impact wrench on a quarter-inch hose wouldn't budge it, though I wasn't
willing to spend all day on it before breaking out the big guns.
#125
Guest
Posts: n/a
Re: crank bolt right or left hand thread?
Michael Pardee <michaeltnull@cybertrails.com> wrote:
>All everybody agrees on is that it is a devil to get loose, at least for
>the first timing belt change.
After 375k I've done a bunch. It was a bitch the first time and it was a
bitch the most recent time. In all cases the usual 250ish foot-pound
impact wrench on a quarter-inch hose wouldn't budge it, though I wasn't
willing to spend all day on it before breaking out the big guns.
>All everybody agrees on is that it is a devil to get loose, at least for
>the first timing belt change.
After 375k I've done a bunch. It was a bitch the first time and it was a
bitch the most recent time. In all cases the usual 250ish foot-pound
impact wrench on a quarter-inch hose wouldn't budge it, though I wasn't
willing to spend all day on it before breaking out the big guns.
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