D5 pump life? Replace?

Justintoxicated

[H]F Junkie
Joined
Apr 10, 2002
Messages
14,500
When should I replace my D5 pump?

I bought it in 2006.

I'm also still running some Panaflo L1A and L1BX fans. Still work like new. I didn't think computer stuff was supposed to last this long? My PSU is 12 years old too, really thinking about getting a new one just because it can't be 100% anymore. Especially after reading Kyles article on the website.

I was thinking about getting some used D5s and changing to a dual pump setup?
 
Joined
Apr 5, 2016
Messages
2,286
They're non-contact motors, so I imagine that if the bearing is still good, the pump is probably still good. The D5s are industrial designs, so it's not surprising that they last a long time.
 

noxqzs

Limp Gawd
Joined
Aug 2, 2013
Messages
267
I have a few running about that long. The one thing you will want to change is the 0-ring if you ever open the case to clean out the impeller. O-rings tend to get brittle over time.
 

THRESHIN

2[H]4U
Joined
Sep 29, 2002
Messages
3,443
They're near indestructible. I say wait until it starts making unusual noise or vibration.
 

Jayy88

Weaksauce
Joined
Mar 9, 2018
Messages
108
There's pumps from like 10 years ago that still work...the external ones all of them are about indestructible it seems like.
 

Nebulous

[H]ard|Gawd
Joined
Nov 16, 2005
Messages
1,814
I had 2 Corsair branded D5's I bought during a clearance. One was DOA and the other one had the squeal of death while it ran. I took it apart and added a dab of heavy axle grease which calmed it for 5 years that I used it. Tried to RMA the dead one, but Corsair claimed the pumps came in a kit and I would have to send in the entire kit for RMA.

Needless to say I got fucked. Tho the D5 pumps are built like tanks, I've never owned another Corsair product since. The current D5 I'm using is a Lowara brand I purchased from Hardass some years ago. Still going strong.

I vote if the pump is still running, run that mofo till it dies. Overtemp protection will kick in long before any damage will come to the chip.
 

rgMekanic

[H]ard|News
Joined
May 13, 2013
Messages
6,377
Mine lasted 7 years. The impeller started grinding against it's enclosure

Same here on one of mine, started grinding and vibrating so hard randomly that I could hear it across the house and feel it in the wall next to the PC.

At the age that the OPs are at, I would keep a spare around at least.
 

arnemetis

2[H]4U
Joined
Aug 2, 2004
Messages
4,002
My ddc 3.2's are still going after 9 years, and it runs pretty much 24x7 (folding previously, now mining.) They'll last until they don't. I don't know as it's worth trying to predict when it will fail.
 

THRESHIN

2[H]4U
Joined
Sep 29, 2002
Messages
3,443
Mine lasted 7 years. The impeller started grinding against it's enclosure

I got mine used back around 2006 or 2007 off ebay. Yeah I know, bad idea.

The pump showed up with the same failure. Seller marked it 'as is' and figured he could offload his garbage. I ended up getting a partial refund.

But I posted in the for sale section here and got in touch with a member that had a failed motor with the center bearing/impeller unit still good. Sent it to me for $20. Pump has been fine ever since.

Just saying that getting parts for these pumps isn't impossible.
 

alxlwson

You Know Where I Live
Joined
Aug 25, 2013
Messages
8,691
They're non-contact motors, so I imagine that if the bearing is still good, the pump is probably still good. The D5s are industrial designs, so it's not surprising that they last a long time.


Wtf is a "non-contact motor"? Do you mean brushless?
 
Joined
Apr 5, 2016
Messages
2,286
Wtf is a "non-contact motor"? Do you mean brushless?
I think I probably have my terminology messed up, but what I meant is that the rotor and stator don't touch each other except for at that tiny ceramic bearing; they don't sit on a race bearing like a fan motor, for instance.
 

alxlwson

You Know Where I Live
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Aug 25, 2013
Messages
8,691
I think I probably have my terminology messed up, but what I meant is that the rotor and stator don't touch each other except for at that tiny ceramic bearing; they don't sit on a race bearing like a fan motor, for instance.


Ahh. Yes, so bearing instead of bushing.
 

thesmokingman

Supreme [H]ardness
Joined
Nov 22, 2008
Messages
6,617
The motor is suspended in water, held in suspension by magnets. The motor does not wear in normal operation. The bearing is only used at power up and power down, so yea it could last a long time. D5's in particular are cooled by the loop water so they theoretically have an even higher chance of lasting longer whereas the DDC needs active cooling. That said keep using it till it stops.
 

Imitation

2[H]4U
Joined
Jun 18, 2004
Messages
2,536
I also got mine back in the good old days of 2005. It's ran 24/7 folding now mining for the last 8 or so. If it dies, it will likely be noisy first. Worst case your pc starts over heating and rebooting and you have to take it apart anyway. I wouldn't bother dual pumping unless you are running like tri SLI and a ton of rads.
 
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