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K8geoff



Member Since: 06 Sep 2019
Location: Chepstow
Posts: 4

United Kingdom 2013 Freelander 2 SD4 HSE Lux Auto Rimini Red
Engine carbon clean

Hi all, Yesterday I had an engine carbon clean, from the company with the same name.

I took it for a drive afterwards and noticed a big improvement in acceleration, the company says that I will get back more power and could see a fuel consumption improvement of up to 15%.

Has anybody on elese on the forum had this service done before and have they notice any big improvements afterwards?

Post #386382 13th Feb 2020 4:23 pm
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Boxbrownie



Member Since: 17 Mar 2019
Location: Looe
Posts: 1459

United Kingdom 2007 Freelander 2 i6 HSE Auto Stornoway Grey

How many miles on your FL2? Regards

David

Please let me know if anything in my post offends you, as I may wish to offend you again......

Post #386386 13th Feb 2020 5:25 pm
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Bobupndown



Member Since: 26 Dec 2014
Location: Upside down behind the TV!
Posts: 1009

United Kingdom 2014 Freelander 2 SD4 GS Auto Orkney Grey

Is carbon build up really an issue on modern engine designs with modern fuels containing detergents and fully synth low ash oil?
I had the head off my Td5 Disco at about 160K miles, nothing worth talking about needing cleaned.
Even my old A series engined Mini with 80k miles on the clock (no idea if just 80k or second time around) but even it was nowhere near as bad as I expected although I cant be sure if or when it was last off since only had it since 71k.
My point being, modern fuels and oils are not causing the deposits of old and not many of us spend our weekends taking heads off to 'decoke' as earleir generations of motorists had to. Thumbs Up Landrover - turning owners into mechanics since 1948

2014 Orkney grey Freelander SD4 GS.
2004 Zambezi silver Discovery 2 Td5 (Gone)
1963 Surf blue Morris Mini Minor Super de Luxe (my little toy)

Post #386390 13th Feb 2020 6:46 pm
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Steve D



Member Since: 19 Jan 2013
Location: Essexshire
Posts: 3752

United Kingdom 

Maybe no carbon in the cylinders Bob, but Diesel engines with a egr system really do coke up in the inlet ports. Also, ring grooves in the pistons can suffer carbon build up preventing the rings from sealing. Maybe that’s what the OP is on about? Past: FL2 TD4 HSE Auto
Present: Evoque SD4 Dynamic Lux Auto

Post #386399 13th Feb 2020 8:22 pm
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Dick E



Member Since: 03 Jan 2016
Location: Horsham
Posts: 70

United Kingdom 2007 Freelander 2 TD4 Dynamic Auto Santorini Black

I had my engine cleaned at 105K. kept looking at the exhaust to see if any muck was coming out but nothing did. It was as clean as before they started the procedure. Also no boost in power/acceleration etc. Came to e comclusion that i just wasted my cash.

Post #386428 14th Feb 2020 9:59 am
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Boxbrownie



Member Since: 17 Mar 2019
Location: Looe
Posts: 1459

United Kingdom 2007 Freelander 2 i6 HSE Auto Stornoway Grey

This is why I was asking about the mileage on the OP’s car, very unusual to have excessive carbon build up on modern engines although for sure the EGR system can be a problem on some but not sure these carbon cleaners actually clean the EGR system as much as the pistons/valves etc. Regards

David

Please let me know if anything in my post offends you, as I may wish to offend you again......

Post #386429 14th Feb 2020 10:41 am
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Lightwater



Member Since: 21 Aug 2014
Location: Sydney NB
Posts: 2803

Australia 2013 Freelander 2 2.0T SE Auto Fuji White

Decades ago I had an engine carbon clean. Head gasket leaked water into one cylinder. It was spotlessly clean. Cheaper to drive in fog to get water through the engine! Procrastination, mankind's greatest labour saving device!

Acoustic insulation ARB TPMS 1.2kW air compressor After cooler Air tank On-board OCD pressure air/water cleaning Additional 50L fuel Carpet in doors ABE 2x1kg Waeco 28L modified fridge Battery 4x26ah Solar 120w Victron MPPT 100/20 DC-DC 18amps 175amp jumper plug Awning 6x255/60R18

Post #386438 14th Feb 2020 12:19 pm
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K8geoff



Member Since: 06 Sep 2019
Location: Chepstow
Posts: 4

United Kingdom 2013 Freelander 2 SD4 HSE Lux Auto Rimini Red

Hi Boxbrownie. In answer to your question (How many miles has my FL done) it has just passed 52,000 miles.

The main reason that I had the hydrogen carbon cleaning done, was that the engine felt a bit flat with noticeable turbo lag when I accelerated from a slow speed. Since having the engine cleaned, this perceived problem has disappeared completely.

I will have to wait and see if there is any improvement in fuel consumption.

Post #386442 14th Feb 2020 12:54 pm
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SYFL2



Member Since: 16 Jun 2012
Location: Sheffield
Posts: 1711

2007 Freelander 2 TD4 HSE Auto Stornoway Grey

Now it’s all clean maybe some red X for diesel when you fill up ?

Post #386444 14th Feb 2020 1:32 pm
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Steve D



Member Since: 19 Jan 2013
Location: Essexshire
Posts: 3752

United Kingdom 

Or a egr blanking plate. Past: FL2 TD4 HSE Auto
Present: Evoque SD4 Dynamic Lux Auto

Post #386468 14th Feb 2020 4:46 pm
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MotionInc



Member Since: 17 Jun 2019
Location: North America
Posts: 381

Canada 2008 LR2 i6 SE Auto Tambora Flame

Lightwater wrote:
Decades ago I had an engine carbon clean. Head gasket leaked water into one cylinder. It was spotlessly clean. Cheaper to drive in fog to get water through the engine!


LOL, could work but I always thought steam was better.... Rolling with laughter

Post #386477 14th Feb 2020 5:50 pm
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GundogSD4



Member Since: 04 Dec 2019
Location: Wiltshire
Posts: 159

England 2015 Freelander 2 SD4 Metropolis LE Auto Santorini Black

The poxy EGR valve will undo the good work the carbon clean did in no time at all Banging Head 94 Disco 300 TDI Gone
96 Defender 300 TDI Gone...Should have kept it.
2003 Freelander ES TD4 Gone
2002 Defender TD5 Gone
2005 Freelander HSE TD4 Gone
2015 Freelander 2 Metropolis Keeping for now!

Post #386482 14th Feb 2020 6:31 pm
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768will



Member Since: 08 Jan 2012
Location: South Devon
Posts: 164

United Kingdom 2011 Freelander 2 TD4 GS Manual Bali Blue

Years ago in the RAF, a decoke was done by dribbling 1 pint of OM-15 aircraft hydraulic oil into the engine. Don't know if it achieved anything other than a huge cloud of exhaust smoke. On one instance the Fire Section turned up with a bowser. 11 GS Bali Blue
07 GS FL2. Usually muddy. Gone
Numerous LRs since 1963

Post #386485 14th Feb 2020 7:20 pm
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Mikey



Member Since: 07 Jun 2008
Location: Dundee
Posts: 662

Scotland 2012 Freelander 2 SD4 HSE Auto Baltic Blue

Dick E wrote:
I had my engine cleaned at 105K. kept looking at the exhaust to see if any muck was coming out but nothing did. It was as clean as before they started the procedure. Also no boost in power/acceleration etc. Came to e comclusion that i just wasted my cash.


This Thumbs Up

Post #386487 14th Feb 2020 7:36 pm
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GSKM



Member Since: 05 Aug 2015
Location: Deepest darkest Shropshire
Posts: 124

United Kingdom 2014 Freelander 2 TD4 SE Manual Orkney Grey

768will wrote:
Years ago in the RAF, a decoke was done by dribbling 1 pint of OM-15 aircraft hydraulic oil into the engine. Don't know if it achieved anything other than a huge cloud of exhaust smoke. On one instance the Fire Section turned up with a bowser.


I’m sure Redex smells the same as OM 15. I never tasted Redex so cant compare that way.

Post #386532 15th Feb 2020 12:10 pm
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