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Old 03-04-2013, 11:39 PM   #1
Gee Emm
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Join Date: Feb 2010
Location: Outer Eastern Melbourne, Australia
Posts: 389
My Ride: 2000 325Ci Auto :(
Do I need special tools, or skills?

G'day all

My 2000 coupe has done 130k & has developed a coolant leak either at the thermostat or water pump. I won't know which until I pull it apart.

So, this weekend I'm replacing the following:

Thermostat (again!?)
Water pump
Expansion tank & hose
Top hose (lower hose already done)
Drive belts
As well as an early oil & filter change, seein' as how I'll have the bonnet up.

I have a 32mm spanner for the clutch fan.
Do I need anything else that's special.
Are there any do's & don'ts I should know about.

Thanks

Graham

Last edited by Gee Emm; 03-04-2013 at 11:40 PM. Reason: Auto-save 1362462019
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Old 03-05-2013, 12:49 AM   #2
BMWCaptain
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My Ride: 03 325iT SportWagon
You will need a long thin screw driver to wedge between the WP pulley 10mm bolts to hold it while you spin off the fan clutch. If you cannot do that, you can use a bigger screw driver and wedge it in between the belt and the idlers pulley to keep the belt still. This allows you to loosen the clutch.

Get some silicone grease to ease installation of the hoses, etc.
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Old 03-05-2013, 12:55 AM   #3
mkodama
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Water pump pulley holder if you have an automatic, and some silicone grease to help with installation of hoses. It's not a bad diy, just a bit time consuming and getting old hoses off take a lot of wiggling and pulling because of the O-ring seals.
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Old 03-05-2013, 01:11 AM   #4
Ballistic325
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If you need tools, I can help!
__________________

I can help with
* Reading Codes / Coding your car
* R&R FCAs, Tie Rods, Sway links....
* RTABs

Need an RTAB tool? Or clutch fan and water pump tools? PM me.
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Old 03-07-2013, 03:07 AM   #5
fgin
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Quote:
Originally Posted by Gee Emm View Post
G'day all

My 2000 coupe has done 130k & has developed a coolant leak either at the thermostat or water pump. I won't know which until I pull it apart.

So, this weekend I'm replacing the following:

Thermostat (again!?)
Water pump
Expansion tank & hose
Top hose (lower hose already done)
Drive belts
As well as an early oil & filter change, seein' as how I'll have the bonnet up.

I have a 32mm spanner for the clutch fan.
Do I need anything else that's special.
Are there any do's & don'ts I should know about.

Thanks

Graham

Hey Graham

First diagnose exactly where it leaks from before you pull it apart. That way you will know what to replace. Once you take apart you will have coolant all over and will never be able to tell where its leaking from. When you diagnose, follow the leak from the bottom going up to the top. You will eventually end up at the leak. The cooling system is easy to take apart. Hope all goes well.

g'luck
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Old 03-07-2013, 08:24 PM   #6
Gee Emm
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Location: Outer Eastern Melbourne, Australia
Posts: 389
My Ride: 2000 325Ci Auto :(
Thanks fgin

I'll do as you suggest.
I spent some time last Sunday doing some preliminary investigating which diagnosed the thermostat or water pump.

It's gunna be a hot weekend to be under a bonnet!

Graham
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Old 03-07-2013, 10:58 PM   #7
spacemaster
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My Ride: E46 328i
No need to go under the bonnet for this.

I only use fan holding tool as in special category. Other than that, not that I know of, all tension bells can be released by hex wrench, etc.
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Old 03-10-2013, 05:44 PM   #8
Gee Emm
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Join Date: Feb 2010
Location: Outer Eastern Melbourne, Australia
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My Ride: 2000 325Ci Auto :(
I did this work on Saturday arvo & Sunday morning. 35 degree heat working on a car on axle stands is for the birds.

Anyhoo, the coolant leakage was from the water pump, so I didn't change the thermostat (done 18 months ago)
I replaced the other items, even though they all looked to be in VG condition. Car has done 135k.

A coupla things I noted

1. Hit the 32mm spanner for the clutch fan with something metal. I tried for 15 mins with a wooden mallet. Nuthin'.
three hits with a metal hammer, bazinga!

2. I was warned by Clickable that the thermostat in the bottom of the expansion tank might be cracked. It was.
I didn't spend the extra $90. I wish I had. I had to put it back how it was.

3. When reassembling the clutch fan
For about an hour+ I tried relentlessly to get this left handed PoS back on. Some words came out of my mouth my wife had't heard me say before, and I've been married nearly 27 years (I woulda got out 7 years ago).
Then I remembered. Have the start of the thread at 12 o'clock. I cranked the over to get change the position of the start of the thread.
It then went on first go. It took 15 seconds.

I love the hose connectors on the cars. Love them to bits.

I also noted, the air filter had only done 6500km but was really dirty when I replaced it. Maybe something to do with our long, hot, dry summer.
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Old 03-10-2013, 07:49 PM   #9
Mitch E46
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Originally Posted by Gee Emm View Post
...and I've been married nearly 27 years (I woulda got out 7 years ago).
That's a pretty good effort.
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Old 03-10-2013, 08:38 PM   #10
Gee Emm
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Join Date: Feb 2010
Location: Outer Eastern Melbourne, Australia
Posts: 389
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Quote:
Originally Posted by Mitch E46 View Post
That's a pretty good effort.
Yeah, I'll say. I've escaped being killed in my sleep more times than I can count!
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Old 03-11-2013, 12:12 AM   #11
Ballistic325
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^ good effort, Graham! Now you get to take it all off again for the water pump
__________________

I can help with
* Reading Codes / Coding your car
* R&R FCAs, Tie Rods, Sway links....
* RTABs

Need an RTAB tool? Or clutch fan and water pump tools? PM me.
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Old 03-16-2013, 09:32 PM   #12
nicgala
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Location: melbourne
Posts: 91
My Ride: bmw e46 2004 318i
Very small cicular window in front of tv screen and lights tun knob

Quote:
Originally Posted by Ballistic325 View Post
If you need tools, I can help!
Hey Ballistic,
In front of my t v screen I have a small circular window which I have no idea about. The same is beside the turn knob for the lights. I thought the window on the screen had something to do with B/T but I don't have that display on screen. I still cant get a manual for the screen and will try u-torrent.

I also have a female connection, under my rear coin plate and wonder what the hell that is ? No sat/nav, and as for the leds on the top right, they never light up.

Cheers anyway

nicgala
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Old 03-16-2013, 09:47 PM   #13
nicgala
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Join Date: Sep 2012
Location: melbourne
Posts: 91
My Ride: bmw e46 2004 318i
Advice needed.
I have a 2004 e46 318i ( stock ) and the stats for new tiers is for 16" rims which I have, require 205/55 yet the label is stating for a t7 16" rim and 17" rims you can install 225/55.

Will my best bet would be to upgrade to a 215 Tyre.
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Old 03-24-2013, 07:44 PM   #14
PeteAU
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Posts: 206
My Ride: 330i
What sort of coolant did you put back in? My car has 'green' looking stuff (whatever the previous owner put in) and now I'm confused about what type of coolant I can mix it with. The BMW coolant isn't green is it?
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Old 03-24-2013, 08:16 PM   #15
BMWCaptain
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My Ride: 03 325iT SportWagon
Use BMW coolant. BMW coolant is blue in color. When I have used others that were in the cars already it seem there is corrosion. When i went to BMW coolant, I don't fond any corrosion or deposits.

Gallon of BMW coolant is about $22-$25.
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Engine swap, HG, tranny swap, GM & ZF tranny rebuilds, shocks, struts, brakes, WPs, Thermostats, belts, tensioners, fuel pumps, radiators, window regs, hoses, PS pump, Spark Plugs, VCGs, coils, fuel filters, CVVs, VANOS seals, rack, LCABs, Exp. Tanks, OFHGs, RCABs, OP, boots, ABS, GUIDOs, starter, A/C, DISA, Diff, SAP

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Old 03-25-2013, 12:33 AM   #16
Gee Emm
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Location: Outer Eastern Melbourne, Australia
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My Ride: 2000 325Ci Auto :(
I used the BMW coolant. Mixing ratios are on the bottle.

It comes in 1.5 litre bottles.

Considering how long coolant lasts, and you don't need gallons of the stuff, there is NO reason not to use the OEM coolant.
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Old 03-25-2013, 01:00 AM   #17
PeteAU
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Quote:
Originally Posted by Gee Emm View Post
I used the BMW coolant. Mixing ratios are on the bottle.

It comes in 1.5 litre bottles.

Considering how long coolant lasts, and you don't need gallons of the stuff, there is NO reason not to use the OEM coolant.
Yes indeed, but unless you drain the engine block you're going to be mixing new & old. I just don't know what the 'old' in my engine is. What colour was the Australian BMW stuff? Various youtube videos seem to show both green or orange. I guess I should do a full drain and start from scratch.

Last edited by PeteAU; 03-25-2013 at 01:03 AM.
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Old 03-25-2013, 02:02 AM   #18
CortinaD
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Originally Posted by ppmz View Post
Yes indeed, but unless you drain the engine block you're going to be mixing new & old. I just don't know what the 'old' in my engine is. What colour was the Australian BMW stuff? Various youtube videos seem to show both green or orange. I guess I should do a full drain and start from scratch.
Its blue. Definitely do a full drain to get what you have out, the BMW coolant is far superior to anything else.
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