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The Toyota Landcruiser Owners Club Landcruiser Club - Dedicated to Toyota Landcruiser, Amazon, Colorado and Prado Owners
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Dafydd Wynn Williams **
Joined: 19 Feb 2020 Posts: 97 Location: 3 miles south of Bangor North Wales
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Posted: Thu Sep 10, 2020 11:08 Post subject: Cause of corrosion |
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Hi All,
Is there a generally accepted reason why TLc's corrode so appallingly underneath? Is it because:-
a) the paint protection underneath where normally unseen is so poor.
b) the metal is low quality and abnormally thin gauge.
c) the aerodynamics are such that front wheel spray is directed so widely underneath.
or there something else peculiar to the TLc which results in such widespread terminal rust. It is puzzling to me that a vehicle which is otherwise so well engineered should have been produced for so many years with this widely recognised reputation.
Any thoughts or references?
Dafydd WW |
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Posted: Thu Sep 10, 2020 11:08 Post subject: Google Ads keep this community free to join! |
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TR ***
Joined: 14 Jul 2010 Posts: 135 Location: Hampshire
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Posted: Thu Sep 10, 2020 12:32 Post subject: |
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Maybe because Japan do not use Road a salt and therefore do not protect against its effect.
I believe it is common to most JPN mahufacturers |
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andy Moderator
Joined: 16 Dec 2003 Posts: 2260 Location: Polegate, Sussex, England.
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Posted: Thu Sep 10, 2020 13:55 Post subject: |
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I wouldn't say they are any worse than other makes, most cars and 4x4's over 20 years old suffer. _________________ It's Not a Bl**dy Jeep it's a Landcruiser
150 series Invincible X
100 Series VX Limited
Mercedes Sprinter 311 Luton
1993 VX80 4.2td SOLD
1996 Hilux Surf SSR-G Intercooler Sold
1994 Hilux Surf SSR-V Sold |
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Juddian ****
Joined: 31 Jan 2015 Posts: 374 Location: Homeboy
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Posted: Fri Sep 11, 2020 22:16 Post subject: |
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The bodies of our 120's are as rustproof as almost anything else out there, apart from the inner sills at each end where water and dirt abrasion can remove all applied paints, if you coated the inner sills every year with grease or similar the bodywork would be as sound as any vehicle made.
Chassis corrosion is the killer, and like almost all vehicles of a similar design Toyota chassis are not galvanised when new, standard chassis paint isn't up to the job of stopping salt corrosion, this applies to almost all vehicles of the body on chassis design wherever they might be made...though i'd be interested to see if Amarok or Gelanderwagen suffer as badly as Japanese and LR chassis.
The biggest problem though is owner neglect.
Most new buyers are too rich to worry about losing their vehicle through corrosion and they may care less about this issue anyway, even some used buyers can't be bothered to give the vehicle a good wash down underneath after winter is over, and if that's too much trouble the chances of them applying some decent anti corrosion oil based product are slim to non existant.
Reliability of these vehicles maybe is a part of the problem, generally they'll go on ten or more years before anything other than routine servicing is needed and the chances are its a paid mechanic going underneath not the owner, it's the bloke buying it at 10 to 15 years old who may be the first owner of the vehicle remotely interested in rust prevention, too often the damage is well established by then.
How many people can even be bothered to look under their potential purchase before signing up...underneath is the very first place i look. |
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