 | Home > Puma (Tdci) > Fuel coolant hose removal |
 
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| keef9t Member Since: 13 Mar 2016 Location: manchester Posts: 183   
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I'm in the process of replacing the coolant on my 2.4 Puma.
Can someone explain, in a little bit more detail, how to remove the clip on connectors to drain the system. The manual just says "remove" I've seen the comment on here "squeeze and pull" but which part do you squeeze. I've also watched the Haynes youtube where the guy probes the connector with a small screwdriver but can't see exactly what part he is pressing. The last thing I want to do is break something. Life is short, so have your pudding first --------------------------------------------- 2007 90 2.4Tdci County HT Stornaway Discovery 1 200Tdi Sold 90 Turbo Diesel HT Sold 110 2.5NA CSW Stolen 88 Series II Sold Meccano Set. Don't know what happened to that |
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6th Feb 2025 4:42pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20612
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Plus when releasing you might find you have to push the whole connector just a little in before it will release off as well as pushing in the tab(s).
That’s what I seem to remember I found, when just pushing the tab(s) in, it wouldn’t release. Chillin In The Backwoods🇬🇧🇺🇸 ⛽️🛢️⚙️🧰💪 |
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6th Feb 2025 5:12pm |
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| Ianh Member Since: 17 Sep 2018 Location: Essex Posts: 2135
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To fully drain the system you also need to remove the bottom hose on the radiator.
You will still have some coolant in the heater matrix, but only a litre or so. if you want to remove that coolant you can use a modified garden sprayer containing fresh coolant to flush the old out via the hoses attached to the heater valve. |
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6th Feb 2025 5:52pm |
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| keef9t Member Since: 13 Mar 2016 Location: manchester Posts: 183
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Mine don't seem to have two tabs either side (that would have been easy)
Unfortunately, they are coated in what looks like Waxoyl, so difficult to see the detail but there appears to be a blue clip within the connector with a couple of small openings that you could put a small screwdriver in. If I can take a photo tomorrow, I will post it to be of more help. They are the same as in the Haynes defender coolant drain youtube video that I mentioned in my initial post (apologies, I'm not teccy enough to provide a link) In the meantime, please keep the suggestions coming. Last edited by keef9t on 6th Feb 2025 7:53pm. Edited 1 time in total |
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6th Feb 2025 7:21pm |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17600 
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You may find that a pair of fuel line pliers helps.
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6th Feb 2025 7:38pm |
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| Ianh Member Since: 17 Sep 2018 Location: Essex Posts: 2135
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You can also drain from the oil cooler, the hose that connects to the oil thermostat spigot , noting on later models it’s an empty spigot with no thermostat inside. Thats just a standard hose spring clip so can be removed with small 3 inch mole grips ( locking pliers , vice grips ).
It’s a little fiddly, and coolant will splash on the chassis that will need hosing down, but it’s the route those of us without the fuel cooler have to follow. |
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6th Feb 2025 7:45pm |
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| keef9t Member Since: 13 Mar 2016 Location: manchester Posts: 183
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Yes, that's why I'm hoping to drain from the fuel cooler first.Then drain the residue from the oil cooler to avoid too much mess.
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6th Feb 2025 9:03pm |
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| jbcollier Member Since: 29 Apr 2024 Location: Edmonton AB Posts: 165  
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The fittings have an internal o-ring that does the actual sealing. The plastic fitting slides over the pipes on the cooler, past a bead on the pipe and a plastic clip locks it in place. To release, push down on the "blue button". This spreads the plastic clip and allows you to slide the line off. Fair warning, plastic deteriorates with time, exposure and heat. The clips become brittle and break. Do not use a sharp or pointed tool to depress the blue button. Point load increases the chances of it breaking. Use your finger tips or a soft tool of wood or plastic.
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7th Feb 2025 6:15am |
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| keef9t Member Since: 13 Mar 2016 Location: manchester Posts: 183
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Brilliant!! That's the description I was looking for.
Once I had got the Waxoyl off I could see the detail better and, as you said, a gentle press of the blue clip allowed the connection to release. Simple when you know how. Now, with your information, I can see what the guy in the Haynes video was doing with the small screwdriver.  Click image to enlarge Click image to enlarge Click image to enlarge Click image to enlarge |
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7th Feb 2025 1:58pm |
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