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  #1  
Old 11-18-2015, 11:26 PM
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How to remove dipstick tube from V8?

I'm in the process of changing the timing chain guides on my 2002 4.6is. I have the front of the engine mostly torn down and am about to pull off the lower timing cover, but I have a problem. I can't get the dipstick tube out of the way and it's preventing the cover from coming off.

I have the clamp at the top removed, and the one at the bottom where it goes into the oil pan. The tube itself is loose and easily moves around. But due to the way it's shaped and snakes down to the oil pan, I can't find an angle where it will come out. Surely there must be a way that doesn't involve removing the AC compressor, but that seems like the only way.

Does anyone know the secret to getting it out? Any my, oh my, that is one tightly packed engine compartment!
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  #2  
Old 11-20-2015, 11:20 AM
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I had the same problem. You can remove it without moving the air conditioning compressor, besides I think its integral to the engine mount? You have to force it against its will a little bit. It is defiantly possible though. I think I turned it to the passenger side and had someone push up on the bottom while I bent it ever so slightly on top. Twice as fun putting it back in......
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Old 11-20-2015, 11:31 AM
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Thanks for the suggestion! I will try that. And yeah, getting it out only solves half the problem. At some point it will have to go back in!

Another question, if you don't mind: How did you get the nut off the back of the power steering pump? I can see it with the wheel removed, but I can't get to it. There is a plastic cooling duct blocking access. I tried to remove the duct, but the way it's wedged in, it looks like I'd have to take the bumper off to release it. I would very much prefer not to escalate the job that much!
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Old 11-20-2015, 12:05 PM
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I must not of had the plastic cover. I could get at the nut from the bottom through a small area between the sub frame and the pump....or I took the pump off. I cant remember. the only thing I remember was trying to figure out what was holding it in and it was the last thing I had to disconnect.
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Old 11-20-2015, 12:17 PM
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Interesting. I can't even see that nut from underneath. But yeah, it took me a while to figure out what was still holding the pump.

It's not a plastic cover, it's some kind of cooling duct. It just ends between the power steering pump and the subframe. It doesn't seem to aimed at anything in particular. It must just be feeding air into the lower part of the engine compartment.
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Old 11-21-2015, 09:23 PM
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Quote:
Originally Posted by BimmerM3inGA View Post
Interesting. I can't even see that nut from underneath. But yeah, it took me a while to figure out what was still holding the pump.

It's not a plastic cover, it's some kind of cooling duct. It just ends between the power steering pump and the subframe. It doesn't seem to aimed at anything in particular. It must just be feeding air into the lower part of the engine compartment.
Probably cooling for the alternator.
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Old 11-22-2015, 12:08 AM
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The alternator is water-cooled.

I was able to finally get the dipstick tube out of the way enough to get the lower timing cover off. I didn't actually remove it, but was able to swivel it out of the way. The trick was to remove the upper timing cover for Bank 1. That gave me a enough room to twist the tube to the side.
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Old 11-22-2015, 04:55 PM
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Quote:
Originally Posted by BimmerM3inGA View Post
The alternator is water-cooled.
Yes, but the brackets are there whether it's air cooled only or air/water cooled.
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Old 11-22-2015, 05:01 PM
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You don't have to remove the dipstick tube to remove the lower front timing cover. Done this job plenty of time without having to remove the dipstick tube. Just maneuver it while simultaneously removing the cover. Saves the time and hassle of removing it and then reinstalling it. In regards to the 13 nut holding the power steering pump you can remove the duct without removing the bumper but it does require some force and patience. A ratcheting 13mm wrench is the weapon of choice when trying to remove this nut. It is easier with the duct removed but it can be done with it still in place, just takes some patience and clever maneuvering.

Edit: Didn't see that you had already got it off. But yes you need to remove the upper timing covers first then proceeds to the lower ones. Good luck with the rest of the job.
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Old 11-22-2015, 09:32 PM
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Getting that nut off is only half the battle. I still need to get it back on. So I appreciate the tip!
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