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 Darn it! Lost one EGR valve bolt

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albertj
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Darn it! Lost one EGR valve bolt Empty
PostSubject: Darn it! Lost one EGR valve bolt   Darn it! Lost one EGR valve bolt EmptyMon May 17, 2010 8:47 am

One fell into the "abyss" of the engine bay. it's a 1/2 inch bolt. Do you guys know if this is a standard bolt? Can I just go to a hardware/autoparts store and get another?

Gracias amigos!
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Darn it! Lost one EGR valve bolt Empty
PostSubject: Re: Darn it! Lost one EGR valve bolt   Darn it! Lost one EGR valve bolt EmptyMon May 17, 2010 10:35 am

is this one of the bolts that hold the egr down, or bolts the tubes to the manifold/LIM? Should be able to get one of these either at autozone or ACE (if you have those up there). just take one of the other ones with you to find the right thread size

_________________
1996 with 254k miles, L32 4" FWI -> ported N* -> Ported Gen V w/3.0" Pulley, Stage 3 Phenolic I/C, ZZP FMHE, 1.84 RR, Headers and 3" pipe to mufflers, F-body brakes, and lowered on Eibachs. -RIP
AMG C400 White on black. Stage 2 w/E30 - 11.9@117 -daily
Darn it! Lost one EGR valve bolt Dsc_0110
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Darn it! Lost one EGR valve bolt Empty
PostSubject: Re: Darn it! Lost one EGR valve bolt   Darn it! Lost one EGR valve bolt EmptyMon May 17, 2010 11:59 am

it holds down the egr valve....sorry...

yeah, looks like a standard 1/2 bolt...

i'm just wondering if home thead size = auto thread size....
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Darn it! Lost one EGR valve bolt Empty
PostSubject: Re: Darn it! Lost one EGR valve bolt   Darn it! Lost one EGR valve bolt EmptyMon May 17, 2010 12:46 pm

Natesriv wrote:
it holds down the egr valve....sorry...

yeah, looks like a standard 1/2 bolt...

i'm just wondering if home thead size = auto thread size....

Maybe, maybe not. It is not so much that home = auto thread or not, as it is that there are coarse and fine pitches for machine screws (that would be this type of bolt) and the easiest way to reckon it is to take the bolt's mate to a hardware store or auto part store and match it up. Might have better luck matching it up at a larger NAPA store that sells to used car dealers and mechanics.

Where I live there are two hardware stores - VALU Hardware and The Building Company - that have a very full line of odd parts hardware - lynch pins, woodruff keys, et cetera. They often have bolts that fit but maybe are not the right grade. I used them to replace a brake caliper bolt one time (it worked loose somehow) until I could get the right grade (from the GM dealer).

Good luck, it should not be that bad to find one that will work. Consider using a set of the black or chromplated hex or TORX-head cap screws if you can't find a bolt you like.

Albertj
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PostSubject: Re: Darn it! Lost one EGR valve bolt   Darn it! Lost one EGR valve bolt EmptyTue May 18, 2010 10:44 am

Problem Solved...O'Reilly Automotive had them...they actually have a board with several bolts you can test the nut against...

Easy!

thanks gang!
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Eldo
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Darn it! Lost one EGR valve bolt Empty
PostSubject: Re: Darn it! Lost one EGR valve bolt   Darn it! Lost one EGR valve bolt EmptyTue May 18, 2010 2:03 pm

I'm surprised it isn't a metric bolt...
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AA
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Darn it! Lost one EGR valve bolt Empty
PostSubject: Re: Darn it! Lost one EGR valve bolt   Darn it! Lost one EGR valve bolt EmptyTue May 18, 2010 2:05 pm

How do we know it isn't metric?

_________________
'05 GTO 6.0L • 6-spd • 95k miles • 0-60: 4.8s • 16.9 avg MPG • Nelson Ledges Lap: 1:26

'95 Celica GT 2.2L • 5-spd • 165k miles • 0-60: yes

'98 SC Riviera • 281k miles • 298 HP/370 TQ • 0-60: 5.79s • ET: 13.97 @ 99.28 • 4087 lb • 20.1 avg MPG • Nelson Ledges Lap: 1:30
3.4" pulley • AL104 plugs • 180º t-stat • FWI w/K&N • 1.9:1 rockers • OR pushrods • LS6 valve springs • SLP headers • ZZP fuel rails
KYB GR2 struts • MaxAir shocks • Addco sway bars • UMI bushings • GM STB • Enkei 18" EV5s w/ Dunlop DZ101s • F-body calipers
EBC bluestuff/Hawk HP plus • SS lines • Brembo slotted discs • DHP tuned • Aeroforce • Hidden Hitch

^^^ SOLD ^^^ frown

'70 Ninety-Eight Holiday Coupe 455cid • 116k miles
^^^ SOLD ^^^ frown
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Darn it! Lost one EGR valve bolt Empty
PostSubject: Re: Darn it! Lost one EGR valve bolt   Darn it! Lost one EGR valve bolt EmptyTue May 18, 2010 2:33 pm

AA wrote:
How do we know it isn't metric?

Natesriv wrote:
One fell into the "abyss" of the engine bay. it's a 1/2 inch bolt...
And he never said it turned out to be any other size.

I suppose my comment was also interrogative... If it did end up being metric, surely he'll tell us now. wink
.
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AA
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Darn it! Lost one EGR valve bolt Empty
PostSubject: Re: Darn it! Lost one EGR valve bolt   Darn it! Lost one EGR valve bolt EmptyTue May 18, 2010 2:39 pm

A couple posts after, he said: "yeah, looks like a standard 1/2 bolt..."

That tells me really wasn't sure.

_________________
'05 GTO 6.0L • 6-spd • 95k miles • 0-60: 4.8s • 16.9 avg MPG • Nelson Ledges Lap: 1:26

'95 Celica GT 2.2L • 5-spd • 165k miles • 0-60: yes

'98 SC Riviera • 281k miles • 298 HP/370 TQ • 0-60: 5.79s • ET: 13.97 @ 99.28 • 4087 lb • 20.1 avg MPG • Nelson Ledges Lap: 1:30
3.4" pulley • AL104 plugs • 180º t-stat • FWI w/K&N • 1.9:1 rockers • OR pushrods • LS6 valve springs • SLP headers • ZZP fuel rails
KYB GR2 struts • MaxAir shocks • Addco sway bars • UMI bushings • GM STB • Enkei 18" EV5s w/ Dunlop DZ101s • F-body calipers
EBC bluestuff/Hawk HP plus • SS lines • Brembo slotted discs • DHP tuned • Aeroforce • Hidden Hitch

^^^ SOLD ^^^ frown

'70 Ninety-Eight Holiday Coupe 455cid • 116k miles
^^^ SOLD ^^^ frown
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deekster_caddy
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Darn it! Lost one EGR valve bolt Empty
PostSubject: Re: Darn it! Lost one EGR valve bolt   Darn it! Lost one EGR valve bolt EmptyWed May 19, 2010 10:27 am

It's definitely a metric bolt. There are no standard bolts on the Series II 3800.
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Eldo
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Darn it! Lost one EGR valve bolt Empty
PostSubject: Re: Darn it! Lost one EGR valve bolt   Darn it! Lost one EGR valve bolt EmptyWed May 19, 2010 3:09 pm

deekster_caddy wrote:
It's definitely a metric bolt. There are no standard bolts on the Series II 3800.

That's what I thought, and why I was surprised that Nate didn't tell us the final result...
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Darn it! Lost one EGR valve bolt Empty
PostSubject: Re: Darn it! Lost one EGR valve bolt   Darn it! Lost one EGR valve bolt EmptyWed May 19, 2010 5:44 pm

When he mentioned "Standard 1/2" Bolt"
I knew he was a bit confused, as he was measuring the size wrench that fit on the head of the bolt and not the actual thread diameter and pitch.
But I assumed he would figure it out when he brought the other bolt to the parts store for "show and tell".
It certainly couldn't be a 1/2" diameter bolt in that application and the closest metric wrench is about a 15mm.
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Eldo
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Darn it! Lost one EGR valve bolt Empty
PostSubject: Re: Darn it! Lost one EGR valve bolt   Darn it! Lost one EGR valve bolt EmptyWed May 19, 2010 6:46 pm

Rickw wrote:
When he mentioned "Standard 1/2" Bolt"
I knew he was a bit confused, as he was measuring the size wrench that fit on the head of the bolt and not the actual thread diameter and pitch...

You're kidding me, they make metric bolts with standard heads?
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Darn it! Lost one EGR valve bolt Empty
PostSubject: Re: Darn it! Lost one EGR valve bolt   Darn it! Lost one EGR valve bolt EmptyWed May 19, 2010 6:48 pm

Eldo wrote:
Rickw wrote:
When he mentioned "Standard 1/2" Bolt"
I knew he was a bit confused, as he was measuring the size wrench that fit on the head of the bolt and not the actual thread diameter and pitch...

You're kidding me, they make metric bolts with standard heads?
HaHaHaHa.....
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Eldo
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Darn it! Lost one EGR valve bolt Empty
PostSubject: Re: Darn it! Lost one EGR valve bolt   Darn it! Lost one EGR valve bolt EmptyWed May 19, 2010 6:52 pm

Rickw wrote:
Eldo wrote:
Rickw wrote:
When he mentioned "Standard 1/2" Bolt"
I knew he was a bit confused, as he was measuring the size wrench that fit on the head of the bolt and not the actual thread diameter and pitch...

You're kidding me, they make metric bolts with standard heads?
HaHaHaHa.....

Oh, terrific...

headbutt
headbutt
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Darn it! Lost one EGR valve bolt Empty
PostSubject: Re: Darn it! Lost one EGR valve bolt   Darn it! Lost one EGR valve bolt EmptyWed May 19, 2010 6:59 pm

Rickw wrote:

But I assumed he would figure it out when he brought the other bolt to the parts store for "show and tell".
It certainly couldn't be a 1/2" diameter bolt in that application and the closest metric wrench is about a 15mm.
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AA
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PostSubject: Re: Darn it! Lost one EGR valve bolt   Darn it! Lost one EGR valve bolt EmptyWed May 19, 2010 8:05 pm

13 mm will fit a 1/2" bolt head.

_________________
'05 GTO 6.0L • 6-spd • 95k miles • 0-60: 4.8s • 16.9 avg MPG • Nelson Ledges Lap: 1:26

'95 Celica GT 2.2L • 5-spd • 165k miles • 0-60: yes

'98 SC Riviera • 281k miles • 298 HP/370 TQ • 0-60: 5.79s • ET: 13.97 @ 99.28 • 4087 lb • 20.1 avg MPG • Nelson Ledges Lap: 1:30
3.4" pulley • AL104 plugs • 180º t-stat • FWI w/K&N • 1.9:1 rockers • OR pushrods • LS6 valve springs • SLP headers • ZZP fuel rails
KYB GR2 struts • MaxAir shocks • Addco sway bars • UMI bushings • GM STB • Enkei 18" EV5s w/ Dunlop DZ101s • F-body calipers
EBC bluestuff/Hawk HP plus • SS lines • Brembo slotted discs • DHP tuned • Aeroforce • Hidden Hitch

^^^ SOLD ^^^ frown

'70 Ninety-Eight Holiday Coupe 455cid • 116k miles
^^^ SOLD ^^^ frown
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Rickw
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Darn it! Lost one EGR valve bolt Empty
PostSubject: Re: Darn it! Lost one EGR valve bolt   Darn it! Lost one EGR valve bolt EmptyWed May 19, 2010 9:34 pm

AA wrote:
13 mm will fit a 1/2" bolt head.
You are correct Sir.
I guess I was thinking of what was on the other end of your typical combination wrench (15mm)
Believe it or not I'm just now getting up to speed on being able to identify metric bolts and nuts by sight.
I grew up and continued to use nothing but American Thread on everything I worked on.
Aircraft and Harleys are all American. People are surprised sometimes to hear that no matter where in the world an Aircraft is made they must be made to American Standards as far as fasteners go.
So I never had a use for Metric tools until I started working on some American cars in the past decade, and even then half of what I encountered was American and half Metric.
So, now I find myself buying Metric tools that I never had a need for.
Some of the guys I met at the GM dealership that were younger than me, did not own any American wrenches or sockets, because even if they encounter the occasional American fastener there is always a metric tool close enough to do the job. And I have found that to be true by experimenting on my Harley, I can properly fit an Metric tool on almost every fastener I encounter.
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AA
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Darn it! Lost one EGR valve bolt Empty
PostSubject: Re: Darn it! Lost one EGR valve bolt   Darn it! Lost one EGR valve bolt EmptyWed May 19, 2010 10:14 pm

Yes, most of my tools are metric now, and they will fit standard bolts slightly better than vice-versa. I like them because the gaps between sizes are smaller (more wrenches in a metric set). This lets you cheat sometimes when fitting some unidentified bolts. But for my '70 Olds, I have a set of standard tools that I use, so hardly ever run into problems.

_________________
'05 GTO 6.0L • 6-spd • 95k miles • 0-60: 4.8s • 16.9 avg MPG • Nelson Ledges Lap: 1:26

'95 Celica GT 2.2L • 5-spd • 165k miles • 0-60: yes

'98 SC Riviera • 281k miles • 298 HP/370 TQ • 0-60: 5.79s • ET: 13.97 @ 99.28 • 4087 lb • 20.1 avg MPG • Nelson Ledges Lap: 1:30
3.4" pulley • AL104 plugs • 180º t-stat • FWI w/K&N • 1.9:1 rockers • OR pushrods • LS6 valve springs • SLP headers • ZZP fuel rails
KYB GR2 struts • MaxAir shocks • Addco sway bars • UMI bushings • GM STB • Enkei 18" EV5s w/ Dunlop DZ101s • F-body calipers
EBC bluestuff/Hawk HP plus • SS lines • Brembo slotted discs • DHP tuned • Aeroforce • Hidden Hitch

^^^ SOLD ^^^ frown

'70 Ninety-Eight Holiday Coupe 455cid • 116k miles
^^^ SOLD ^^^ frown
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http://www.cardomain.com/ride/657082/4
Rickw
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Darn it! Lost one EGR valve bolt Empty
PostSubject: Re: Darn it! Lost one EGR valve bolt   Darn it! Lost one EGR valve bolt EmptyThu May 20, 2010 1:40 am

I have three roll away boxes, one very large one with a side cabinet for all my American stuff and some special tools that i have either bought or made for use on Harleys.
And have one large Top box that I separated and have put it on another bench on the other side of the shop with Metric's that I'm accumulating.
I know I probably have enough to do everything I'm going to do, but i know me I'll continue to buy more tools as I can and now that Snap-On allows you to buy their stuff on line, it is too tempting.
I've always been a tool hound, if I can't make it I'll buy it, but only get what's guaranteed.
I love going to swap meets where there are used tool vendor's selling old tools.
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Darn it! Lost one EGR valve bolt Empty
PostSubject: Re: Darn it! Lost one EGR valve bolt   Darn it! Lost one EGR valve bolt EmptySat May 22, 2010 8:07 pm

wow...19 replies?

The socket I used was 1/2",....
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Darn it! Lost one EGR valve bolt Empty
PostSubject: Re: Darn it! Lost one EGR valve bolt   Darn it! Lost one EGR valve bolt EmptySat May 22, 2010 9:40 pm

Natesriv wrote:
wow...19 replies?

The socket I used was 1/2",....

But Nate, what actual size did the O'Reilly's board tell you the threads were?
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