EA82 will this oring work for big metal radiator hose?

[Craigar]

the old one is about.110 average tall by .180 wide, the new candidate is .135  - seems maybe too thin? Got it out of oring assortment at Autozone.. Thanks

 

 

Edited November 10, 2018 by Craigar

[DaveT]

Compare the friction of the old and new by installing.

[Craigar]

Thanks again Dave, that makes sense and I'll give that a try also.  Hindsight "is always 20/20" and you told me right  from the start - "replace ALL 7 hose and this Oring.."

When I woke up today I thought about how hard it is to physically measure something that has angles, distortions and curves and is rubber like - using a micrometer. So I weighed them on a digital gram scale and AT FIRST the old one weighed a little more (1.4 vs 1.3) - because I had just washed it with soap & water and dried it quickly with my T shirt...  Well I figured maybe water is still deep in the "micro cracks" so I "roll snapped" it between my thumb finger a few times and then it weighed 1.3, same as my new candidate.

Then I remembered I didn't throw out the old pump (it was working fine..., but replaced) and I thought I'd look into that hole WOW! That is probably why no matter what I did I could always hear bubbles in my water system when driving - REALLY AMAZING to me THAT this old motor kept "humping along" this long! Also glad overall that I had used Barr's Stop Leak (and almost 2 years earlier "Prestone AS663 Head Gasket Stop Leak with Kevlar" which had been completely flushed out a year ago ) and I seem to leave a white powder build up wherever there was a leak.

 

Stupid joke of the day -- "Do ya think this was sucking air and leaking?"

 

Edited November 10, 2018 by Craigar

[Craigar]

The new one I fished out of and Autozone assortment ended up feeling tighter than what probably was the stock replacement that czny sent me,which measures .115 in thickness with a micrometer .  The old flat one was just slightly tight. I figured the thicker one might be safer with my old metal pipe cause it took a fair amount of filing to get it to where it was half clean metal again. I probably really ought to get a new pipe!

 

 

filed..

 

steel wool lassoed, back & forth about 30 times

 

here's the other end (rubber hose from bottom of radiator goes over it) - I think I REALLY ought to get a new pipe - (or maybe a new car)

Edited November 11, 2018 by Craigar

[Crazyeights]

Looks good That should work.

[el_freddo]

Don’t get a new car, just a new engine... like an EJ engine 

Cheers 

Bennie

[DaveT]

With those pits, either a new pioe, or a thin layer of rtv in the groove. 

With smooth surfaces, I have found that plumber's silicon grease works well for helping seal, and when you have to remove, the hose is not stuck to the nipple.  Also I have used it on the oring.

[somick]

2 hours ago, DaveT said:

With those pits, either a new pioe, or a thin layer of rtv in the groove. 

With smooth surfaces, I have found that plumber's silicon grease works well for helping seal, and when you have to remove, the hose is not stuck to the nipple.  Also I have used it on the oring.

Coat a new o-ring with some RTV and you will be fine.  I did mine in 2005 and it is still holding (fingers crossed!).

 

Good luck,

Sam

[Craigar]

wish I read  DaveT  and somick's replies before I put it all back together - seems OK so far = no drips & holds pressure.

 

The "extra thick" o ring felt pretty tight - and I loaded it up with lithium grease, debated rather or not to "rustoleum" it like I did the heater bypass pipe in this image