Hi all, over the weekend changed the water pump and thermostat housing on my Mini R56 N14 2008. Added coolant and made sure it is all ok and left it.
When I used it yesterday on a long run on motorway gave me the fault code 002885 which I never had it before.
To remove the thermostat disconnected along the wiring the vacuum lines to get better access.
Deleated the code and just before I got home it thrown it again and when I left from the last traffic light before home it spat coolant out. When I got home the collant reservoir was empty and looked like something exploaded under the bonnet.
any help would be appreciated.
Thanks

 

Did you vac-u-fill the cooling system or just add coolant manually through the expansion tank? I suspect you left a big air pocket in the cooling system.

I noticed your scan tool has "freeze frame" Click on the button and list the freeze frame data. Nevermind, you said you erased the codes; now the freeze frame data is gone.

Reconnect to the car, instead of selecting auto vin or telling the scanner the car is a MINI. Select OBDII and post the OBDII codes. When I pull up 2285 in Mitchell, I get a "boost pressure control" fault.

Did you overheat the engine? I also noticed you have another code in memory; simply clearing codes is not troubleshooting, and when you clear the codes, you lose the freeze frame data, so it doesn't help to erase the codes too soon.

 

See freeze frame data below.
Added coolant via the reservoir with the bleed screw opened until I could see coolant coming out of it.
This is my guess also that it might still had air in the system. No overheating message came up either.

 

Yea, MINIs are notorious for trapping air; that's why you vac-u-fill the cooling system. If you don't have the tool, you have to fill the recovery tank, run the engine until it reaches operating temperature with the cap off the recovery tank, shut it down, and allow it to cool (that takes a while). Refill the recovery tank, and repeat 2-3 times.

I don't see anything in the data you posted that helps.

Suggest you follow the fault trees for the two faults you originally posted after you fill the cooling system properly.

Still need you to scan the DME in the OBDII mode and post those codes.

 

Just had a look at it again just now and saw one of the main hoses from the radiator( under the expansion tank) popped out. So I am guessing it spat most of the coolant out.
Will refit the hose and will top up again.
The thing is that I have drove it about 80 miles until it popped the hose without any signs of overheating.
Luckily I was close to home when it popped and not on the motorway.

 

So, 2885 has nothing to do with the cooling system... If you removed any of the air intake or boost tubes during the thermostat swap, triple check that everything is back and tight. Could also be a coincidence that you are now getting that code. In that case, I would also check the diverter valve to make sure the diaphragm hasn't burst.

287E also is not related to the cooling system... Did the cam position sensor get plugged back in? Did something get jostled and broken during the thermostat swap?

 

Let us know the outcome, please.

As naremka said 2885 isn't related to the cooling system, so it may have come up independent of what you were experiencing. There are a multitude of potential causes explained in other threads.

 

Hi all,
Was away on a short break and didn't got the time to look at it unfortunately.
Will try to have a look at it this week and provide update.
On another note, was thinking to replace all the vacuum lines ends ( flexible bits only) with new ones. Is this something doable or do you recommend to replace the complete vacuum lines?

 

Hi all,
Sorry for the late reply but been caught up with work.
Removed intake manifold last weekend and redone the vacuum connections - replaced flexible ends with new tubing and secured them with cable ties. The pipe that was coming from the vacuum tank to the pressure converter that sits under the intake manifold was almost off.
Re-fitted the pipe that popped of on the coolant side and topped up and vented. Once filled started the engine and let it reach the normal operating temperature and vent it. Once it settled and couldn't see any air bubbles coming through turned it off and let it cool. Repeated this for 3 times and then took it for a drive without any issues.
From Monday until now used it on a daily basis running nice and smoothly just having to top up the coolant once but with a small amount on Tuesday and that was it. ( done about 350 miles).

 

@Ady.ldn

It looks like the water pipe that's underneath the intake manifold that leads from the water pump to the thermostat housing broke loose on you. The ends of the water pipe are notorious for breakage due to high heat from the engine and they tend to get brittle.