Duramax Diesels Forum Truck of the Week
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Old 12-02-2019, 01:26 PM
Burkeomatic Burkeomatic is offline
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Default Lower Radiator Hose Help

I actually have a question about the lower radiator hose o-ring, and I am not sure where to put it. It looked like the other posts of the subject were in the smoke screen section, so here it is. I bought a dorman 926-160 o-ring, but with no matter how much force I exerted on it I couldn't get it to slip on to the radiator. I am 6'4" and 220, so I am not a small guy. I stuck my old ring back on and it is still leaking. Is there anyway that o-ring is too big? Was I just not lining it up exactly right? It seemed to have a hard time wiggling into that little groove where the o-ring is supposed to sit in the rad hose. Attached is a pic. The dorman part is considerably larger than the smaller one that came off the truck.
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File Type: jpg o-rings.jpg (117.1 KB, 18 views)
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06 Silverado - CC/SB MBRP Exhaust, Tune

95 Miata - Fully built, 11.9 @121

Last edited by Burkeomatic; 12-02-2019 at 01:54 PM.
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Old 12-02-2019, 04:49 PM
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DAVe3283 DAVe3283 is offline
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I didn't realize there was an o-ring on the LBZ+ lower hose, but apparently there is. Apparently, there were 2 sizes used, so you probably just bought the wrong size:
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Old 12-03-2019, 08:05 AM
Burkeomatic Burkeomatic is offline
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Quote:
Originally Posted by DAVe3283 View Post
I didn't realize there was an o-ring on the LBZ+ lower hose, but apparently there is. Apparently, there were 2 sizes used, so you probably just bought the wrong size:
Thanks, I ordered the other size, but then I realized I had a water pump leak too.
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