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How to test, clean, & redesign the original BMW dipstick guide tube (CCV vent clogs!)
Since I was replacing the holed boot to the ICV/TCV, I decided to check the oil dipstick guide tube and, much to my dismay, I found the concentric ring was clogged solid.
I checked the CCV thread which shows they redesigned it to eliminate the troublesome concentric tubes - but this thread is for those many of us with the original dipstick guide tube.
Since it's in my hands - and since I have ZERO experience with this problem ... I ask for all who are similar:
Q1. How do those with experience suggest we clean our dipstick guide tubes?
Q2. I lost the o-ring while blowing garden hose water on the dipstick; do you think the exact right size matters? BMW has the o-ring in stock ($3.83) but I'd have to button it up to get there. I can fit a garden hose washer on for now. Does it stand a chance of working?
Q3: How can we test whether our dipstick guide tubes are clogged or not - WITHOUT removing them from the vehicle like I did?
Since I was replacing the holed boot to the ICV/TCV, I decided to check the oil dipstick guide tube and, much to my dismay, I found the concentric ring was clogged solid.
I checked the CCV thread which shows they redesigned it to eliminate the troublesome concentric tubes - but this thread is for those many of us with the original dipstick guide tube.
Since it's in my hands - and since I have ZERO experience with this problem ... I ask for all who are similar:
Q1. How do those with experience suggest we clean our dipstick guide tubes?
Q2. I lost the o-ring while blowing garden hose water on the dipstick; do you think the exact right size matters? BMW has the o-ring in stock ($3.83) but I'd have to button it up to get there. I can fit a garden hose washer on for now. Does it stand a chance of working?
Q3: How can we test whether our dipstick guide tubes are clogged or not - WITHOUT removing them from the vehicle like I did?
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