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Home > Technical > How to change coolant bottle/resevoir (low coolant message)

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kav1187

Member Since: 04 Apr 2012
Location: SX
Posts: 307

2006 Range Rover Sport TDV6 HSE Bonatti Grey

How to change coolant bottle/resevoir (low coolant message)

I started getting the dreaded 'low coolant' message when I clearly had enough coolant. This happens when the float in the coolant level switch becomes porous over time and stops floating.

Parts:

Coolant bottle - LR020367
Coolant

Tools:
8mm socket or spanner
Pliers or Mole grips
Hose Clamp
Fluid catching container

Time: 30 minutes max

Safety:

Do not do this when the coolant is hot as you risk causing serious injury.

Do not allow coolant to spill into the environment - it is poisonous

Wash away any spills as it has a sweet smell and animals like to drink it. This is bad because of the point above ^^

Step 1:
Have a look at the new coolant bottle and become familiar with it as it will help you figure out what needs to be done.

Click image to enlarge

Step 2:

Remove passenger side headlight. Video here:

Step 3:

Pull up on the power steering fluid bottle until it releases from the clip

Click image to enlarge

Step 4:

Unclip the screen wash bottle filler hose and twist it round and move it out of the way. I placed it in the hole where the headlight goes.

Click image to enlarge

Step 5:

Looking from the near side of the vehicle, you will see 2x 8mm bolts holding the bottle in place. Undo these.

Click image to enlarge

Step 6:

Place a container under the car to catch the coolant. Preferably a bigger one than the one I used

Click image to enlarge

Step 7:

Pull the Coolant bottle straight UP so that the front most bracket on the bottle unclips from the mount (visible through the bonnet catch). Once loose you will be able to move the bottle.

Click image to enlarge

Step 8:

Lift the bottle with your left hand and guide your right hand under the bottle until you find the electrical connector for the coolant level switch. Squeeze the metal spring and pull back.

View through headlight once unclipped:

Click image to enlarge

View from top:

Click image to enlarge

Step 9:

Move the top hose clip back and pull the hose off. You may need to twist it side to side to loosen it from the bottle. Expect some coolant to come out.

Click image to enlarge

Step 10:

Twist the bottle to the right in order to give you better access to the bottom hose. Apply a hose clamp to prevent the coolant spilling out from the engine then remove the hose clip and pull the hose off the bottle. Twist the hose left and right first if it will not come off easily. Put your thumb over the outlet to prevent coolant spilling from the bottle.

Click image to enlarge

Step 11:

Install the new coolant bottle into the engine bay and connect the lower coolant hose. Remove the hose clamp.

Step 12:

Connect the top coolant hose

Step 13:

Line the bottle's front mount with the hanger clip at the front of the car (visible through the bonnet catch). Before you push the bottle down, ensure it also lines up with the bottom mount:

Click image to enlarge

Step 14:

Remove the power steering mounting clip from the old coolant bottle by pushing up on the locking tab and pulling the clip towards the top of the bottle

Click image to enlarge

Step 15:

Push the power steering mounting clip down onto the new coolant bottle. Hang the power steering fluid bottle.

Click image to enlarge

Step 16:

Line the bottle up with the holes and tighten the 8mm bolts

Click image to enlarge

Step 17:

Twist the screen wash filler neck back into place and clip onto the side of the coolant bottle

Click image to enlarge

Step 18:

Re-install the headlight

Step 19:

Top up the coolant. Once topped up, run the engine for a bit to get the coolant back into the radiator and engine. This will also release any air still in the system. Keep topping up as necessary.

Step 20:

Discard the red cap that comes with the new bottle - this is just a dust cover. Use the cap from your old bottle.

Click image to enlarge

Step 21:

Stand back and enjoy the fruits of your labour.

Click image to enlarge

Want to do a DIY job on your car? Check out the definitive 'how to' thread in the technical section

http://rrsport.co.uk/forum/topic28424.html

Fri Mar 15 2013 12:51pm

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