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E46 (1999 - 2006)
The fourth generation 3 Series (E46 chassis) was introduced in 1999 and set the standard for engineering and performance during it's years of production including being named to Car & Driver's 10 best list every one of those years! ! -- View the E46 Wiki

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  #1  
Old 12-31-2012, 10:13 AM
vandyboy vandyboy is offline
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Location: Nashville, TN metro area
 
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Probably the most annoying CCV question ever

I am getting ready to do some major maintenance work on my 2001 325i with 103k miles. No horrible issues - VCG is leaking slightly, uses some oil, I have the occasional pulley chirp and whistling only when I start the car. I do not have any outflow or intake of air from the dip stick when I remove it, but the car does change idle speed when I remove the dipstick or oil filler cap.

My mechanic friend/best pal is leaving Nashville for Houston in February, so we thought we'd get a lot of refresh items done while he was still here. Our plans thus far: a new water pump; thermostat; all pulleys, tensioners and belts; valve cover gasket; flush power steering and replace reservoir; replace Vanos oil line and seals; replace oil filter housing gasket; and, replace all of the intake boots/vacuum lines.

We will check the spark plugs and replace those if necessary. Already replaced the expansion tank. The radiator hoses still look new and I have no coolant leaks. We may do the differential oil replacement. I will probably take the car to a good local shop for transmission filter/fluid change.

What is you all's opinion on the CCV replacement? Does it sound like mine has problems to you? While you were knee deep in doing all that stuff, would you go ahead and do the CCV?

Also, is there anything else you can think of to do while we have the hood up?

Thanks in advance for your help. I know you all get questions like these tossed to you all the time, but I don't want to leave any obvious stuff out.

Happy New Year! I really enjoy this forum and all the discussion.
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  #2  
Old 12-31-2012, 11:18 AM
R. Cate R. Cate is offline
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Location: Virginia Beach, VA
 
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Mein Auto: '01 330i
Something relatively cheap that you can do while replacing intake boots is cleaning the mass airflow sensor, idle control valve, and throttle body. CRC's throttle body cleaner and mass airflow sensor cleaner work wonders. Brake parts cleaner will work fine on the idle control valve. If the throttle body is removed during the process, which it definitely will be if your CCV is replaced, be sure to purchase the gasket that is attached to it.

A couple other things you can do are changing the fuel filter and brake fluid.

A lot of your suspension components may be already worn or getting to or beyond that point.

I'm sure others will give their input, but I hope this gets you at least started.
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  #3  
Old 12-31-2012, 11:38 AM
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Fast Bob Fast Bob is offline
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Quote:
Originally Posted by vandyboy View Post

What is you all's opinion on the CCV replacement? Does it sound like mine has problems to you? While you were knee deep in doing all that stuff, would you go ahead and do the CCV? .
It`s not a matter of *IF* your CVV is gonna fail, it`s *WHEN*.....they *all* do, sooner or later. Avoid future problems by doing yours now. Replace all the CVV`s hoses, and thoroughly clean the dipstick tube as well.
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  #4  
Old 12-31-2012, 02:02 PM
vandyboy vandyboy is offline
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Location: Nashville, TN metro area
 
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Mein Auto: 01 325i automatikgetriebe
Quote:
Originally Posted by R. Cate View Post
Something relatively cheap that you can do while replacing intake boots is cleaning the mass airflow sensor, idle control valve, and throttle body. CRC's throttle body cleaner and mass airflow sensor cleaner work wonders. Brake parts cleaner will work fine on the idle control valve. If the throttle body is removed during the process, which it definitely will be if your CCV is replaced, be sure to purchase the gasket that is attached to it.

A couple other things you can do are changing the fuel filter and brake fluid.

A lot of your suspension components may be already worn or getting to or beyond that point.

I'm sure others will give their input, but I hope this gets you at least started.
Forgot to say that I replaced the CABs right after purchase. Had a thorough suspension inspection done at the time and everything else was good.
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  #5  
Old 12-31-2012, 02:12 PM
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SJBimmer SJBimmer is offline
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Mein Auto: 2004 325 Convertible
The previous 2 suggestions cover just about everything you missed. Sounds like you have a good handle on what needs to be done. If the car is an auto trans, check and or replace your fan clutch. Good luck, and have a great New Years!
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Old 01-01-2013, 11:49 AM
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bluebee bluebee is offline
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Location: San Jose, California
 
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Mein Auto: 02 BMW 525i M54 auto 130K
Quote:
Originally Posted by vandyboy View Post
What is you all's opinion on the CCV replacement? Does it sound like mine has problems to you?
You 'can' test the CCV:
- How to test the crankcase ventilation (aka CCV, CVV, PCV, CPV, & OSV) pressure regulating valve system (1)

Quote:
Originally Posted by vandyboy View Post
is there anything else you can think of to do while we have the hood up?
- Typical tandem DIY repair jobs combined while you're already there (1)

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