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BMW 3-Series (E90 E92) Forum
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Coolant Hose Replacement N52
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11-28-2020, 01:59 AM | #23 | |
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Hose, radiator transmission oil cooler 1 17117524710 which has the PN 17111711987 and is 14.5 x 2.5 mm in dimension? (also used at the trans oil cooler at coolant inlet / outlet). thanks in advance! |
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12-14-2020, 12:47 AM | #24 | |
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As a caution, the coolant reservoir return line cracked and I had to make a run to the store. Ended up using 5/16" steel brake line that I cut and knurled at the ends and attached with standard 5/16" hose clamps. So far so good! The cooling system on these cars are a great example of the importance of preventative maintenance. Had I not addressed this, there would have been a massive explosive failure which would have left me stranded for sure. |
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03-28-2021, 11:44 PM | #25 |
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Mickey Mouse fitting/hose
I don't know how it came up, but got videos about this fitting and how the OEM part deteriorates and will fail. So I decided to change that fitting without changing the hose and ordered a no-name brand aluminum fitting for @$24 shipped. Honestly, doing it that way looked sketchy. So I decided I should replace the whole fitting/hose with the same plastic OEM fitting and then put the aluminum fitting on the old hose as a back up part, which I was thinking I probably will never use because 150k+ miles... than I read OP's mileage...whoa!
Anyway I found an aluminum fitting with hose for $28 before tax/shipping made by Rein. https://www.rockauto.com/en/parts/re...e+/+pipe,10068 Seems the best route to take for this instead of getting another plastic fitting/hose or stand alone aluminum fitting, cracking the old plastic one risking getting crap into your motor and then cutting out the clamp risking cutting the hose. |
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03-31-2021, 08:46 PM | #26 | |
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__________________
A manual transmission can be set to "comfort", "sport", and "track" modes simply by the technique and speed at which you shift it; it doesn't need "modes", modes are for manumatics that try to behave like a real 3-pedal manual transmission. If you can money-shift it, it's a manual transmission. "Yeah, but NO ONE puts an automatic trans shift knob on a manual transmission."
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03-05-2023, 01:19 AM | #27 |
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Hi, guys. I just replaced the radiator, and upper / lower hoses on my daughter's BMW 328i. Now the Heater hose 64219178427 228-01 - Heater Core Lower Hose is leaking. Did anybody ever find a part number for the o-ring in that hose connector?
I see that replacement hoses are easily found in case I need to replace the hose. Looking at the DIY it talks about removing the fuel / brake hose guard from below. Could I get a bit more detail on that? I don't know exactly where that is, and don't want to remove the wrong thing. Thanks! Andy |
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03-05-2023, 05:06 PM | #28 |
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I would just replace that hose since its on the hot side of coolant flow the plastic degrades faster.
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04-03-2023, 04:04 PM | #30 | |
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Thanks! |
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12-27-2023, 08:36 PM | #31 |
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Would like to confirm if the size of o-ring inside the heater radiator hose
Hello everyone,
I am looking to either purchase a o-ring for a hose that's been leaking. I took out the o-ring and physically measured it using a ruler at every angle. The measure was following. OD: 29mm ID: 19mm Width: 4mm I tried to find an exact size but there was nothing available but i did find one at 29mm 21mm 14mm. Could someone please confirm if 21MM (ID) is the correct o-ring size for heater radiator hose? I think the one listed for 21mm (ID) make sense assuming the existing one must have contracted due to hot coolant water but i am just pulling out of my behind tbh. Is 21mm (ID) the correct size for the o-ring at the heater radiator hose? I worry if the o-ring is a custom size which would require me to buy the hose itself. View post on imgur.com |
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12-28-2023, 10:10 AM | #32 |
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When I had to replace an o-ring I couldn’t find info on size. I took the old out and went to ACE and bought a range of sizes around the old one and selected the one which seemed tight/best fit
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12-28-2023, 11:15 AM | #33 | |
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I bought a o-ring assortment kit last week but unfortunately this heat radiator hose is noticeably bigger in width + length |
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02-20-2024, 12:38 AM | #34 | |
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02-27-2024, 05:36 PM | #35 | |
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There is a o-ring inside the heater hose and it "kinda" worked for me. The leaking is noticeably reduced but not entirely. However, I think this is because my heater hose itself is old given I replaced the upper radiator hose just few months ago). The size of the old existing o-ring looked different when I compared with new ones that are similiar in size. I could tell its size changed because i couldn't find a o-ring that matched that old one's size at all. |
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02-28-2024, 08:12 PM | #36 |
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Do yourselves a favor...
URO 3B0122291B (This is a Volkswagen part). Alternatively, DORMAN 627002. Purchase for very cheap and either extract the o-ring and reuse or replace the entire fitting on the hose. I opted for the extraction option and it worked perfectly. Last edited by armenh7; 02-29-2024 at 09:01 AM.. |
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