 | Home > Puma (Tdci) > Cleaning the engine bay |
 
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| GUM97 Member Since: 05 Feb 2012 Location: Cheshire Posts: 3555   
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I do it regularly (not on Defenders) but make sure you cover up anything electrical! I'm sure somebody will be along soon who's done it before so can give some advice!
 An engine to TDi for!
"Land Rover- Proudly turning drivers into mechanics since 1948"  |
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21st Mar 2013 7:14pm |
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| TooTall Member Since: 10 Jul 2012 Location: Fens Posts: 504 
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Not sure if its the right thing to do but on my TD5 I just remove the acoustic matting, run it a short while then spray a solution of traffic film remover prior to jet washing. I then finish off by spraying GT85 everywhere; I suspect that someone will be along shortly who actually knows what to do...
 "Ease your worries, Clear-up your woes,
Go into your garage & put stuff into rows." |
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21st Mar 2013 7:15pm |
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| HardCharger Member Since: 03 Mar 2013 Location: Manila Posts: 731  
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I'm curious about this topic as I just did 2 runs, few weeks apart, in volcanic ash. I was told that this stuff corrodes metal and most especially electrical connections. This being the case, I was told a good pressure wash will not hurt my 2.4 Puma but I'm still kind of chicken to try it out until I hear from folks who can give pointers and tips. The truck is my daily driver and I cannot afford such an expensive break down.
I was also advised to spray a mixture of diesel and oil after the wash to coat the engine in a slippery film so that future dirt will not stick to the engine but rather the film and will easily be washed off then just repeat the process. Thoughts and advice appreciated. Thanks! |
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26th Jan 2015 7:54am |
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| Cheshire110 Member Since: 26 Jul 2013 Location: Cheshire/London Posts: 2751
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Again, no particular knowledge but I HAVE done it before, no problems.
Just tried not to blast anything electrical too hard! Gave it a good spray with fairly liquid & water mixed together beforehand- worked well. Cheers, David Land Rovers of all shapes S3 onwards… Daily is a 110 V8. |
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26th Jan 2015 8:05am |
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| ian series 1 Member Since: 17 Nov 2014 Location: south Posts: 3127 
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I done mine after I brought it as it was a bit mucky!
Just stay away from the ecu on the bulkhead, and around the turbo, Afterwards give all the electrics a spray with WD or something similar. Been fine with no issues 80" 80" 86" 88" 90" Wanted, Forward Control Anything considered. |
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26th Jan 2015 10:18am |
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| x-isle Member Since: 26 May 2011 Location: Midlands Posts: 1327  
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If you have an adjustable pressure washer even better as you can turn the force down for certain areas you don't want to hit with high speed water. Craig Rogers
2007 Puma 110 XS 2011 Evoque Coupe Dynamic Lux www.craigrogers.photography |
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26th Jan 2015 11:05am |
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| zone30 Member Since: 07 Sep 2012 Location: Gent Posts: 669  
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+1
Also better to use hotter water and have the engine warmer (not hot!) so the water quickly evaporates. WD40 I can understand but a diesel mixture ...  |
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26th Jan 2015 5:29pm |
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| Naks Member Since: 27 Jan 2009 Location: Stellenbosch, ZA Posts: 2637  
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IMHO, don't jetwash the engine bay.
I know a few guys who had engine malfunctions afterwards, due to MAP sensor failure and other water-related issues. -- 2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear 2015 Range Rover Sport V8 Supercharged
Defender Puma Workshop Manual: https://bit.ly/2zZ1en9 Discovery 4 Workshop Manual: https://bit.ly/2zXrtKO Range Rover/Sport L320/L322/L494 Workshop Manual: https://bit.ly/2zc58JQ |
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26th Jan 2015 5:48pm |
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| zone30 Member Since: 07 Sep 2012 Location: Gent Posts: 669
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I've been in 80cm of dirty water. Low pressure clean water doesn't seem to pose much of step to me...
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26th Jan 2015 6:14pm |
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| JAY BOY Member Since: 04 May 2010 Location: Not here Posts: 1706
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Ive always done all my cars with a pressure washer. Turn the lance pressure down to the minimum and leave the engine running. it gets a bit steamy but never had a problem.
It cant be any worse than driving through a ford |
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26th Jan 2015 6:43pm |
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| sweepc Member Since: 19 Jun 2011 Location: uk Posts: 568 
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^ I've done it quite regularly with the 300tdi I also left the engine running. Not tried it with the puma yet but as long as you don't blast anything electrical it should be ok
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26th Jan 2015 7:21pm |
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| CatherineF Member Since: 22 Nov 2014 Location: Wiltshire Posts: 762
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I know someone quite well who does a lot of professional detailing.
They suggested I should use an engine cleaner, detailing brush and just a hose not a pressure washer. 2015 Audi Q3 Quattro S Line Plus 184 TDI Stronic 2010 90 SMC Over Land Nero Edition - Santorini Black Metallic (Now Departed) |
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26th Jan 2015 8:27pm |
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| Cuthbert Member Since: 26 Oct 2013 Location: Up North Posts: 1535 |
Perhaps a degree of common sense required? I know it's not a fashionable topic and UK schools are on a mission to beat it out of any pupil using it.
But seriously, lift the bonnet and look at some of those electrical connections and components - do you really think it's a good idea to turn on a high pressure jet of water and drive water into them? Remember this vehicle was designed by Ford and TATA cost accountants - not the designers of HMS Astute, which I understand can safely be submerged in pressurised salty water. |
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26th Jan 2015 8:51pm |
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| Grouse Member Since: 16 Apr 2012 Location: on the hill Posts: 520 |
I have done it and won't do it again ! -
 the fuel potentiometer on a Range Rover - cost me Ł400 tracing the resulting misfire fault and replacement of parts |
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26th Jan 2015 9:54pm |
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