ABC Flush Tool
#1
Junior Member
Thread Starter
ABC Flush Tool
AGA Mercedes Benz ABC Flush Tool
Hi guys, has anyone on here used this tool, want to flush my ABC but mercedes tell me there is no scheduled service for my system, does an 07 S600 have an ABC filter like shown.
Hi guys, has anyone on here used this tool, want to flush my ABC but mercedes tell me there is no scheduled service for my system, does an 07 S600 have an ABC filter like shown.
#5
You don't need a tool. Unhook the reservoir return hose and put it into a bucket. Top off reservoir and start rodeo. Top off reservoir as needed. Make sure you really keep at it as if you run empty you can damage tandem pump. Run until clear fluid comes out of return hose. About 8-10 quarts of Pentosin.
Edit- or follow Mike's advice. 100% results guaranteed
Edit- or follow Mike's advice. 100% results guaranteed
Last edited by alx; 03-21-2016 at 09:43 AM.
#7
Senior Member
I did it the way ALX mentioned. Very easy.
Keep the fluid full and don't let it run dry. If you uncap all of the bottles and have them ready, you can do it with one person. You need to pour relatively quickly, but you can definitely do it by yourself if you are prepared.
I went to home depot and got a 5gal bucket + a lid. Plus a 10ft of clear vinyl tubing.
Put the vinyl tubing on the return line and wire tie it tightly so it doesn't come off. Drop the other end in the HD bucket and do the flush.
Then put the lid on the HD bucket and drop the fluid off wherever they accept motor oil for recycling.
Keep the fluid full and don't let it run dry. If you uncap all of the bottles and have them ready, you can do it with one person. You need to pour relatively quickly, but you can definitely do it by yourself if you are prepared.
I went to home depot and got a 5gal bucket + a lid. Plus a 10ft of clear vinyl tubing.
Put the vinyl tubing on the return line and wire tie it tightly so it doesn't come off. Drop the other end in the HD bucket and do the flush.
Then put the lid on the HD bucket and drop the fluid off wherever they accept motor oil for recycling.
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#9
Senior Member
Yes, there is a filter. When you pop off the ABC reservoir lid, the filter is attached to the underside of it. You will see what I mean when you pop the lid off.
Pull hard on the filter and it comes off. Then push the new one on and you're done.
I flushed the system with the existing filter because I didn't want to contaminate the new filter with old fluid.
Get the latest part # for the filter, because a few years ago (5-7 years?) they updated the filter and it has smaller holes to trap more gunk. The new part # is much better. Most places probably don't have the old filter any more, but be careful if you buy from eBay or places like that. Any dealer or online parts store (ECS Tuning, FCP Euro, AutohausAZ) will for sure only have the new filter.
Steering uses the same pump, but it has a separate reservoir. You'll have to flush that separately.
One way to do it (that I use) is whenever I'm under the hood I suck out the reservoir of fluid and pour in new fluid. If you do it 2x/yr when you do oil changes, you end up replacing the fluid completely every 12-18 months which is perfectly fine. You can of course go through more work to do it the "right" way which is to disconnect the return line and flush. I find it much easier to just swap fluid every time and having year-old PS fluid is fine with me as nobody flushes it every year anyhow.
Pull hard on the filter and it comes off. Then push the new one on and you're done.
I flushed the system with the existing filter because I didn't want to contaminate the new filter with old fluid.
Get the latest part # for the filter, because a few years ago (5-7 years?) they updated the filter and it has smaller holes to trap more gunk. The new part # is much better. Most places probably don't have the old filter any more, but be careful if you buy from eBay or places like that. Any dealer or online parts store (ECS Tuning, FCP Euro, AutohausAZ) will for sure only have the new filter.
Steering uses the same pump, but it has a separate reservoir. You'll have to flush that separately.
One way to do it (that I use) is whenever I'm under the hood I suck out the reservoir of fluid and pour in new fluid. If you do it 2x/yr when you do oil changes, you end up replacing the fluid completely every 12-18 months which is perfectly fine. You can of course go through more work to do it the "right" way which is to disconnect the return line and flush. I find it much easier to just swap fluid every time and having year-old PS fluid is fine with me as nobody flushes it every year anyhow.
#10
Junior Member
Thread Starter
that's great, thanks.
wonder why Mercedes say theres no service for ABC fluid when there clearly is, my steering fluid has gone brown, not green like suspension fluid so want to flush complete system, no problems with it but steering fluid shouldn't be brown should it.
wonder why Mercedes say theres no service for ABC fluid when there clearly is, my steering fluid has gone brown, not green like suspension fluid so want to flush complete system, no problems with it but steering fluid shouldn't be brown should it.
#11
Abc needs to be flushed every 35-50k miles. Contrary to what mb states it is not filled for life and if you don't flush it on a regular basis the valve blocks will gunk up and the tandem pump will quit.
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JJKCMO (09-17-2020)
#14
MBWorld Fanatic!
Originally Posted by mercedesbenzs55
lol! He's saying that cause he's upgrading to a C-class with airmatic.