Go Back   Horizons Unlimited - The HUBB > 4 wheels > 4WD Overland Tech

4WD Overland Tech GENERIC 4WD / 4 wheel TECH discussions and info that is valid for ALL brands. See brand specific forums.
Contact Overland Solutions for all your custom modifications and setup for overland travel.

Visit Matt Savage for VIAIR compressors, Air Lift Helper Springs, Tyre Levers, Chris Scott's Books & DVDs, KC Daylighters, Allisport Intercoolers, Overland Preparation and lots more!

Reply
 
LinkBack Thread Tools Display Modes
  #1  
Old 9 Jun 2008
roamingyak.org's Avatar
Registered Users
Veteran HUBBer
 
Join Date: Sep 2001
Location: Portugal
Posts: 1,062
Is a Kenlowe fan worth it?

I have a 200 tdi defender - with a large intercooler on the front which probably blocks some degree of air flow. On a hot 35 degrees day my temperature gauge does get a few notches higher on a long run.

My esteemed outfitter suggests doing the following:
"The Kenlowe fan fits on the inside of the radiator. I'd have to cut some small slots into your cowling to make some strong brackets to hold it. The standard Kenlowe method of attaching it to the radiator is not ideal.
You can have a switch if you want, but there is an adjustable thermostat that turns it on and off as needed. But it's no problem to add a switch in the cab if you want."

Would it make a noticeable difference on a hot day if I add a Kenlowe fan?
Reply With Quote
  #2  
Old 10 Jun 2008
Registered Users
Veteran HUBBer
 
Join Date: Aug 2005
Location: Horncastle,Lincolnshire,UK
Posts: 222
Yes is the short answer. What it will do is increase the airflow which the key on those long gentle climbs which always seem to cause overheating.

Don't bother with the automatic thermostat switching. The 'sender' unit has to be mounted inside the top hose and can (and in my experience always does) leak. It's a further source of potential trouble. Keep it simple and simply mount an on-off switch in the cab. Don't use the Kenlowe fan mounting. Their method is fine for on-road cars but puts too much strain on the radiator on off-road vehicles.

Q
Reply With Quote
  #3  
Old 10 Jun 2008
Registered Users
Veteran HUBBer
 
Join Date: Oct 2005
Location: Tappan, NY USA
Posts: 165
x2 on what Quintin said....

I have two mounted on the front of my DI and they're great!
__________________
John C.
Reply With Quote
  #4  
Old 11 Jun 2008
Registered Users
Veteran HUBBer
 
Join Date: Dec 2003
Location: Wiltshire,UK
Posts: 256
If you're worried about the thermostatic sensor leaking (which i agree, they usually do), then you could try an x-eng fan controller which you cut (the rubber pipe) and fit in line, which won't leak and are easily adjustable. very neat looking.


/sceptical head on/

i suppose that an electric fan would be OK... i mean, plenty of other modern vehicles (rangerover/disco/jap stuff) has them, but a niggling thing in the back of my mind makes me think that a mechanical viscous fan would be harder wearing than a "flimsy" electric one.

worst case, is the viscous thing stops viscous-ing then they can be wired up to give a fixed drive, to get you home. if an electric fan breaks, what you gonna do?
Reply With Quote
  #5  
Old 11 Jun 2008
Registered Users
Veteran HUBBer
 
Join Date: Aug 2005
Location: Horncastle,Lincolnshire,UK
Posts: 222
I agree with Jim and should have made it clear. Have the Kenlowe (or equivilent) as a back up to use when you're starting to run hot. Having it as your only fan is fine where you can easily source another but is asking for trouble when you're out in the sticks.
Reply With Quote
  #6  
Old 11 Jun 2008
Registered Users
Veteran HUBBer
 
Join Date: Jan 2004
Location: Manchester, UK
Posts: 456
Spinning blades next to critical and delicate component? African roads?

A much more robust solution would be to take your existing radiator to a specialist and have it recored to stretch across the gap left by the original intercooler. A bigger radiator will seriously boost your cooling without any fans, wires or fiddly bits and it's a simple spanner job to fit.

Take the opportunity to flush out the cooling system while you're at it.
__________________
Pictures, Mauritania 2011
Reply With Quote
  #7  
Old 1 Jul 2008
Contributing Vendor, Moderator
Veteran HUBBer
 
Join Date: Feb 2007
Location: Leicester, UK
Posts: 399
Kenlowe or not

Hi Darrin,

I'd echo a lot of the previous posts. Don't rely on the Kenlowe if it's your only fan. You're right to get stronger mounts - we had a Pajero in the Sahara in April with a Kenlowe. The fixings kept working loose and the fan blades were chomping through the rad.

Jojo
__________________
Atlas Overland - Specialist adventure tour company providing off-road holidays for 4x4 enthusiasts in Europe and North Africa.
Tours to Morocco, Tunisia, Arctic Circle, Alps, Pyrenees, Eastern Europe, Corsica, and UK weekend tours.
Reply With Quote
  #8  
Old 1 Jul 2008
roamingyak.org's Avatar
Registered Users
Veteran HUBBer
 
Join Date: Sep 2001
Location: Portugal
Posts: 1,062
Thanks for all of the suggestion guys,

A Kenlowe is going in this month - it is to supplement the existing fan, and I will have a on/off switch to control it myself. Last summer cruising on the motorway for hours on end through Spain and Portugal the engine temperature was noticably higher than what I was used to, and with a super big intercooler blocking(?) some cooling capacity I thought it was worth going for as the engine is quite new and it might help prolong it's life etc.

The rad is new also, but I have the old one and might take it with me in the roofbox if there is room - not too heavy and worth 40 euros if I'm running low on bread money etc

I'll report back if it makes a noticeable difference or falls off, tears things up and I have to sue my esteemed outfitter ;-)
Reply With Quote
  #9  
Old 1 Jul 2008
Runner's Avatar
Registered Users
Veteran HUBBer
 
Join Date: Feb 2003
Posts: 302
Kenlowe

Ive gone the other way, as an experiment. As you know Darrin Ive the same setup as you, 200TDi with big intercooler - I fitted an electric fan (not a Kenlowe, a Pacet) with mounts from a rally car - supposedly very tough (?!) and dumped the viscous fan as the cowling was missing anyway (engine mounted quite far back, cowling having no effect)

The ram air effect on motorways will have more effect than a Kenlowe anyway I think - Ill use the electric fan for the slow steady climbs, sitting in traffic and high revs at low foward speeds eg dune bashing

Havent tried it "in anger" yet......

I like the idea of recoring the rad. LR used to make a "tropical spec" rad for Series trucks and early 110s- Ive yet to find anyone who knows of one for "modern" (or even tdi) Defenders. Matt S has never heard of it. My old 110 in Cairo had one.
__________________
'91 LR 110 Def/Disco hybrid "Elsa"
Bring me the horizon....
Reply With Quote
  #10  
Old 1 Jul 2008
HU Sponsor
Veteran HUBBer
 
Join Date: Jul 2003
Location: Derbyshire, UK
Posts: 161
Hi Y'all. Darrin, it's on! The mounting we've made is VERY strong and neat.
The fan is mounted to the engine side of the rad.
With regard to the fan being next to the radiator, I think if you look at EVERY single modern car they ALL have electric fans on the radiators. It's the way forward!
Also, I think the Kenlowe will provide more cooling than the ram effect when you are on the motorway. But, like Sam says, in traffic etc is the main use.

Right, I need to go to sleep now as it's bed time...

Good night everybody, yawn..
__________________
www.mattsavage.com
VIAIR - 12 & 24 volt compressors and systems. Tyre levers, Land Rover parts, Sand Tracks, Allisport Intercoolers, Overland Prep, and much more...
Reply With Quote
  #11  
Old 2 Jul 2008
Registered Users
Veteran HUBBer
 
Join Date: Dec 2003
Location: Wiltshire,UK
Posts: 256
Interesting thread here Darrin on LRAddict about fitting a ford taurus electric fan to a 200Tdi
Reply With Quote
  #12  
Old 4 Jul 2008
Registered Users
HUBB regular
 
Join Date: Mar 2001
Posts: 29
Smile Defender over-heating..? - a few ideas to try...

Hi DJRY,

I have also lost sleep pondering this popular subject
Temp gauge creeping up towards red on hot heavily laden long up hills at speed - but it is not the case that Defenders have an inherent over-heating problem (discuss).
It has never actually over-heated - but I was spending too much time looking at the temp gauge and not enough time enjoying the ride..!

My experience with my 300Tdi is as follows - a bit of a ramble I'm afraid, but there may be a few useful pointers for some - and with a gratis punchline if all else has failed..!
Some of this is my own stuff, and some stuff gleaned from Land Rover technical forums-fora/flora & fauna.
Sorry if it is a bit basic for most of you - OK, here goes...

1/ My 300Tdi seemed to be over-heating - temp gauge would creep up very close to the red and then recover - could it be a sticky thermostat or something else - hmm..?
Changed thermostat for genuine LR part (worth it at this price level - there is some rubbish around) - make sure it is the right temp rating for your model engine.
But this didn't help...
In the end it was a loose earth wire on the back of the temp gauge.
When no earth connection is present, gauge goes to full deflection 100% hot reading, so with road vibration, making and breaking earth contact many times a second, it smoothly appeared to over-heat and recover.
(I am no mechanic - quite pleased I worked this out for myself with the help of a bottle of Scotch - but do not drink and drive etc).
2/ Fitted a VDO temp gauge and correct engine model matched sender. Marked in degrees C so you can see what is actually going on, rather than the suggested temp trend from the standard unit, and can now help with a bit of problem solving.
John at Croytec advised on matched sender and supplied - easy to fit using existing wiring.
3/ Temp gauge rises by a few degress with headlights switched on - no it's not the extra fiery heat from the Lucas headlamps..!
Check, clean contacts and refit earth straps between bulkhead, chassis and geabox cures it - similar electrical problem to 1/ above.
4/ Check your standard viscous fan is pulling air - don't know, but some people say it is possible to fit the fan blades the wrong way around so it is pushing against ram air and therefore ineffective..?
5/ Coolant sytem is pressurised - check expansion tank screw cap is keeping pressure (approx 15psi I believe) - you know it is if it hisses with pressure release when unscrewed - obviously only do this when engine has cooled down to avoid risk of scalding..!
6/ Check for slight air leaks on old or loose hoses - it prevents full pressurisation of the coolant system as in 5/ above.
7/ Check to make sure radiator is not full of mud, and carefully hose if necessary.
Don't use a high pressure washer as the radiator fins are quite soft and damage easy.
8/ Check water pump still working at best - not too expensive to replace.
9/ I then bit the bullet and visited our old friend AlliSport. He fitted a nice shiny new direct replacement radiator with something like an extra 20% cooling capability - not cheap.
It did seem to help, but still the temp was rising on those long steep heavily laden hills - aargh..!
10/ And then - bingo..!
Some clever chap on I think the Land Rover UK Forum made passing reference to what turned out to be an absolut(e) nugget of gold, as below:
Look at the expansion tank - there is a narrower diameter overflow (or something) hose coming out the side which leads to a narrow bore plastic T-piece - see it..? Yes, that's it.
Take off the plastic T-piece and clear blocked bores with some wire.
I was lazy and during dismantling I bunged the leaks with Blu-Tack to avoid a full coolant refill.
Re-connect, tighten clips and top up expansion tank to level.
Since then, I have not had any problems - deliberatley pushing 3.5 tonnes hard up hills in the recent 28 degrees C UK ambient (nice day) - the gauge only increased slightly from its cruising on the flat reading.
My VDO temp gauge now shows approx 89degC warmed up and idling in traffic, approx 92degC cruising at 50-60mph on the flat and approx 94deg C pushing hard up long hills...
I hope it works for you...
__________________
Best regards,
James Stephenson
Land Rover Defender 130 camper
www.JamesUK.net
Reply With Quote
  #13  
Old 4 Jul 2008
Registered Users
Veteran HUBBer
 
Join Date: Sep 2007
Location: UK
Posts: 219
There's no harm in getting one if you've got some cash to spare and short of a project - the viscous fan's good, but they do fail - you can lock them up, but it's always nice to know you aren't going to be stuck steaming in the middle of nowhere p*ssing into your rad cap.
TDi's do seem to be overcooled, when I went to Libya and was massively over weight (down on bumpstops carrying fuel & water for a mate), I did overheat a little once after a particulary hard day bashing up and down dunes - five minutes rest and a top up of water sorted it, and back out to play.
I have a tdi conversion and the viscous sits 9" back from the rad, and I later found it was bust anyway, so I effectively had no fan cooling at all (till I put a no6 screw through the viscous coupling )

I've seen the needle climb quite a bit on long slogs up the alps too, but never resuted in anything more than hot feet and a relaxed boufant.

Peace of mind thing though isnt it, so a justifiable spend of household funds on shiney stuff if you ask me.

(BTW, I've put a kenlowe on now cos I'm fed up of keep looking at the gauge and wondering if todays the day...)
__________________
www.simba4x4.com
Reply With Quote
  #14  
Old 7 Jul 2008
roamingyak.org's Avatar
Registered Users
Veteran HUBBer
 
Join Date: Sep 2001
Location: Portugal
Posts: 1,062
A picture of the finished installed Kenlowe fan with custom made brackets. (Also shows the R380 gearbox oil cooler mounted where the original intercooler was).

Reply With Quote
  #15  
Old 8 Jul 2008
Registered Users
Veteran HUBBer
 
Join Date: Dec 2003
Location: Wiltshire,UK
Posts: 256
Looking good Darrin.

i'm currently building a 110 Td5 station wagon, and have an R380 oil cooler, just trying to work out where to mount it, as i'll have an allisport full width intercooler soon.

think i might end up getting an "air conditioned" spec front panel and fitting the oil cooler in front of everything else.

keep the forum posted on how your mods go though mate... very interesting.
Reply With Quote
Reply


Currently Active Users Viewing This Thread: 5 (0 Registered Users and/or Members and 5 guests)
 
Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
Is it worth repairing (Again) ? Mark Yamaha Tech 5 20 Mar 2008 17:35
What is she worth? daytona Yamaha Tech 3 12 Jun 2007 04:57
what's it worth? shark173 KTM Tech 1 4 Feb 2006 03:29
Well worth a look... Nigel Marx Travellers' questions that don't fit anywhere else 7 21 Nov 2005 20:21

 
 
 

NEW! HU 2015 Motorcycle Adventure Travel Calendar is now available! Get your copy now for some terrific travel inspiration!

HUGE, 11.5 x 16.5 inches, beautifully printed in Germany on top quality stock! Photos are the winning images from over 600 entries in the 9th Annual HU Photo Contest!

Horizons Unlimited 2015 Motorcycle Adventure Travel Calendar.

"The calendar is magnificent!"

"I just wanted to say how much I'm loving the new, larger calendar!"

We share the profit with the winning photographers. YOU could be in the HU Calendar too - enter here!


HU DVD Autumn Special!

Take 40% off Road Heroes Part 1 until October 31 only!

Road Heroes features tales of adventure, joy and sheer terror by veteran travellers Peter and Kay Forwood (193 countries two-up on a Harley); Dr. Greg Frazier (5 times RTW); Tiffany Coates (RTW solo female); and Rene Cormier (University of Gravel Roads).

The first in an exciting new series, Road Heroes features tales of adventure, joy and sheer terror by veteran travellers."Inspiring and hilarious!"

"I loved watching this DVD!"

"Lots of amazing stories and even more amazing photographs, it's great fun and very inspirational."

"Wonderful entertainment!"

Check it out at the HU Store! Remember to use Coupon Code 'HEROES' on your order when you checkout.


Renedian Adventures


Renedian Adventures

What others say about HU...

"I just wanted to say thanks for doing this and sharing so much with the rest of us." Dave, USA

"Your website is a mecca of valuable information and the DVD series is informative, entertaining, and inspiring! The new look of the website is very impressive, updated and catchy. Thank you so very much!" Jennifer, Canada

"...Great site. Keep up the good work." Murray and Carmen, Australia

"We just finished a 7 month 22,000+ mile scouting trip from Alaska to the bottom of Chile and I can't tell you how many times we referred to your site for help. From how to adjust your valves, to where to stay in the back country of Peru. Horizons Unlimited was a key player in our success. Motorcycle enthusiasts from around the world are in debt to your services." Alaska Riders

contest pic

10th Annual HU Travellers Photo Contest is on now! This is an opportunity for YOU to show us your best photos and win prizes!

NEW! HU 2014 Adventure Travel T-shirts! are now available in several colors! Be the first kid on your block to have them! New lower prices on synths!

HU 2014 T-shirts now in!

Check out the new Gildan Performance cotton-feel t-shirt - 100% poly, feels like soft cotton!


What turns you on to motorcycle travel?


Global Rescue, WORLDwide evacuation services for EVERYONE

Global Rescue is the premier provider of medical, security and evacuation services worldwide and is the only company that will come to you, wherever you are, and evacuate you to your home hospital of choice. Additionally, Global Rescue places no restrictions on country of citizenship - all nationalities are eligible to sign-up!


New to Horizons Unlimited?

New to motorcycle travelling? New to the HU site? Confused? Too many options? It's really very simple - just 4 easy steps!

Horizons Unlimited was founded in 1997 by Grant and Susan Johnson following their journey around the world on a BMW R80 G/S motorcycle.

Susan and Grant Johnson Read more about Grant & Susan's story

Membership - help keep us going!

Horizons Unlimited is not a big multi-national company, just two people who love motorcycle travel and have grown what started as a hobby in 1997 into a full time job (usually 8-10 hours per day and 7 days a week) and a labour of love. To keep it going and a roof over our heads, we run events (22 this year!); we sell inspirational and informative DVDs; we have a few selected advertisers; and we make a small amount from memberships.

You don't have to be a Member to come to an HU meeting, access the website, the HUBB or to receive the e-zine. What you get for your membership contribution is our sincere gratitude, good karma and knowing that you're helping to keep the motorcycle travel dream alive. Contributing Members and Gold Members do get additional features on the HUBB. Here's a list of all the Member benefits on the HUBB.


Books & DVDs

amazon

All the best travel books and videos listed and often reviewed on HU's famous Books page. Check it out and get great travel books from all over the world.


Motorcycle Express for shipping and insurance!

Motorcycle Express

MC Air Shipping, (uncrated) USA / Canada / Europe and other areas. Be sure to say "Horizons Unlimited" to get your $25 discount on Shipping!
Insurance - see: For foreigners traveling in US and Canada and for Americans and Canadians traveling in other countries, then mail it to MC Express and get your HU $15 discount!




All times are GMT +1. The time now is 01:00.