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Need Allen size late 90's thermostat housing

Printed From: CorrectCraftFan.com
Category: Repairs and Maintenance
Forum Name: Engine Repair
Forum Discription: Engine problems and solutions
URL: http://www.CorrectCraftFan.com/forum/forum_posts.asp?TID=51201
Printed Date: November-28-2024 at 6:45am


Topic: Need Allen size late 90's thermostat housing
Posted By: iflooru
Subject: Need Allen size late 90's thermostat housing
Date Posted: June-20-2023 at 4:50pm
Couldn't get a hex socket on it, height issue, and didn't have any L shaped ones with me. So want to make sure I have correct L key when I head to cottage this weekend.
Is it a 5/16ths or metric?
Thanks
George '99 Pro Air with the Apex



Replies:
Posted By: 67 ski nat
Date Posted: June-20-2023 at 7:44pm
If I was you
Take all your tools


Posted By: KENO
Date Posted: June-20-2023 at 8:15pm
But make sure one of those tools is a 5/16 allen wrench Wink


Posted By: cbr1000dude
Date Posted: June-21-2023 at 3:02pm
6mm worked for me today on a 1990 sn



Posted By: KENO
Date Posted: June-21-2023 at 3:58pm
Originally posted by iflooru iflooru wrote:

Couldn't get a hex socket on it, height issue, and didn't have any L shaped ones with me. So want to make sure I have correct L key when I head to cottage this weekend.
Is it a 5/16ths or metric?
Thanks
George '99 Pro Air with the Apex

Originally posted by cbr1000dude cbr1000dude wrote:

6mm worked for me today on a 1990 sn


 

But, but ,but .......he has a Chevy and what worked on your Ford will be a pretty sloppy, loose fit on his bolts.

They're bigger diameter, 3/8-16 threads and they take a 5/16 allen wrench


Posted By: cbr1000dude
Date Posted: June-21-2023 at 6:24pm
I did not know that! I'm a Ford guy and assumed he was too,So 8 mm will work?


Posted By: 67 ski nat
Date Posted: June-21-2023 at 7:32pm
Take all your tools


Posted By: KENO
Date Posted: June-21-2023 at 7:35pm
5/16 and 8 mm are about as close as you can get size wise.

5/16 equals .3125 inches

8 mm equals .3149 inches 

so .0024 inches difference

You can fit an 8 mm allen wrench into the socket head that's made for a 5/16  allen wrench, but why not just use the 5/16

Kinda like your 6 mm allen wrench that you used on the Ford bolt made for a 1/4 inch wrench. A little sloppy but it worked Wink




Posted By: cbr1000dude
Date Posted: June-21-2023 at 9:06pm
My tools are all over the place, it's a disgrace. So I use whatever I can find at the moment. SadConfused


Posted By: iflooru
Date Posted: June-22-2023 at 1:32pm
Thanks all! Gotta chase me down some impeller pieces parts this weekend.



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