×
BigJimnyMeet (North) 2024 (12 Jan 2024)


BigJimnyMeet 2024

14th July 2024
Parkwood Nr. Leeds

Booking now open - EARLY BIRD DISCOUNTED PRICE

Click HERE for details

× A place for general chat about the Jimny. Please make sure you post in the correct section on the site, this way it keeps the site tidy AND ensures you get a more relevant answer.

Suppliers/Dealers or anyone selling with a commercial view in mind CANNOT post here unless responding to a specific request of a member in a "wanted" post.

Suppliers include people "breaking for spares" on a regular basis, when purchasing spares members should ask a supplier what they contribute to the running of the forum particularly if contacted by a Private Message

Suppliers or Members who have contributed to the forum can be identifed by the
logo.

GEN 4 Jimny undersealing wearing off

More
17 Jan 2020 20:04 #217374 by facade
It looks like it has been jetwashed off :ohmy:

I did mine with 4941, next year I'll jetwash under the wheelarches and do it again.

I was initially disappointed with the kit, which was 1000 for inside the cavities and 4941 for outside- the kit I bought 10 years ago for the Gen 3 had cavity wax, black wax and a stonechip type paint for the wheelarches.

However, everybody and his dog recommend Dinitrol, so I assumed they know what is best, and the Gen 3 got to 19 without any chassis corrosion, or needing welding on the shell.

If you read the data sheet for 4941, it doesn't harm any existing surface finish, which makes me think it doesn't actually bond to the surface.

I never jetwash under my cars, just use the hosepipe.

If it suddenly breaks, go back to the last thing that you did before it broke and start looking there :)

Please Log in or Create an account to join the conversation.

More
18 Jan 2020 09:19 #217382 by kirkynut
It looks like they either didn't do much or most of it has peeled and dropped off.

It's like it was sprayed with a rattle can paint, which I'm sure it wasn't.

Kirkynut

The underdog often starts the fight, and occasionally the upper dog deserves to win - Edgar Watson Howe.

My Jimny Thread Here: www.bigjimny.com/index.php/forum/8-my-ji...on-continues?start=0

Please Log in or Create an account to join the conversation.

  • Andy2640
  • Visitor
  • Visitor
    Public
18 Jan 2020 12:24 #217385 by Andy2640
Replied by Andy2640 on topic GEN 4 Jimny undersealing wearing off
Was it a company that is based in rugby?

Please Log in or Create an account to join the conversation.

More
18 Jan 2020 14:06 - 18 Jan 2020 14:08 #217391 by Scimike
Dinatrol as a product is good, but I can't say it's any better than others on the market. I have used most in the past and now have a mix of makes/products depending upon the area to be treated. Like with most finishing preparation is the key to how long the finish lasts, never had any wax finish myself that has been removed by a jet wash.

Soeley wrote: All that sounds good then. I paid £650 +VAT.
Had mine 3 days.
1st to power wash and steam clean, then dry over night
2nd to apply first thin clear coat wax
3rd to apply outer harder wearing black wax
As per recommended on the Dinatrol website.


It's step 1 I have the most problem with when firms apply wax. When I have done my own it takes a minimum of 7 days (UK temperatures) in my opinion for a cleaned underside to be totally free from water. Not just talking about the surface, I want all the box sections and seams to be totally dry before the wax is applied. That's why I do my own, nothing to do with cost.

Did your vehicle have any silicon "shine for life" dealer paint treatments that could explain the wax peeling as it has? Very odd, never seen that before, it's usually a pain to remove.
Mike

Yokohama Geolanders, Sony head unit, NAUTILUS Air Horn, DRL conversion, Rear cargo space, Elvis Bobblehead, transfer Guard, Indian hanging Elephant, Koni Heavy track dampers, Custom SS exhaust, Voodoo Doll, Adventure Rack with LED ight bar, vintage ERIBA caravan usually attached (yes it's slow)
Last edit: 18 Jan 2020 14:08 by Scimike.

Please Log in or Create an account to join the conversation.

More
18 Jan 2020 18:48 #217394 by Micheal
That's a very good question Mike. I would have said there was no serious rust proofing as applied by Suzuki (there were fairly random looking sections of what looked like Suzuki underseal, painted white) but most looked like white painted bare metal. However the technician at the garage yesterday when I was discussing this with him mentioned something about some kind of overall coating applied by Suzuki that maybe was on there but which I never noticed as being dissimilar to conventional looking underseal. Something must explain the peeling. I don't think the applying firm would cut corners (lots of good reviews) so something odd going on.
Having said that, if it were normal for these Gen 4 Jimnys to have that finish then such issues would be more prevalent?
Micheal
PS in answer to another enquiry, no it was not done in Rugby.

Please Log in or Create an account to join the conversation.

More
03 Feb 2020 16:14 #218019 by Micheal
Got the car back today after a full strip down of previous underseal and high pressure steam clean/dry. Two applications of primer and wax applied. Double application of cavity wax. Hard Wax applied.
Looks good (can't see how to add photos). However the shop advised against using pressure washer hose to clean mud off the underside. They did the work for free and without any quibble. Preserve and Protect, Johnstone, Paisley. They have a good reputation.

Please Log in or Create an account to join the conversation.

More
03 Feb 2020 17:49 #218024 by Scimike
Can't grumble at that service. Sounds like they know what they are doing and are as surprised as us that it came off. Fair enough avoiding pressure washer, but it should withstand similar to water spray from wheels, so just stand back a bit if you do.
Hope it stays on and thanks for update.
Mike

Yokohama Geolanders, Sony head unit, NAUTILUS Air Horn, DRL conversion, Rear cargo space, Elvis Bobblehead, transfer Guard, Indian hanging Elephant, Koni Heavy track dampers, Custom SS exhaust, Voodoo Doll, Adventure Rack with LED ight bar, vintage ERIBA caravan usually attached (yes it's slow)

Please Log in or Create an account to join the conversation.

More
05 Feb 2020 14:00 #218075 by GeezerDan
I picked up my Gen 4 Jimny last Friday, first one I've ever owned. Is undersealing something that's recommended?

Please Log in or Create an account to join the conversation.

More
05 Feb 2020 14:22 #218076 by Micheal
My take on this is that given the pretty terrible reputation of Jimnys for rust and the likelihood of the Gen4 being no better (mine seemed to have an endearing random style of rustproofing underneath and was already showing some rust signs under a year old) it is probably good to have it done. However my dealer said it would invalidate any bodywork warranty (probably worthless anyhow) - other dealers have said the opposite - from an earlier thread. My concern with the undersealing is how durable it it, see above. I think you will be commiting to annual re-application (Preserve and Protect in Paisley do this free except for the material). Power washing is not advisable and this is awkward given so many of these machines get covered in mud. At the end of the day if you did not underseal it and cleaned it scrupulously every week and more often in salty conditions, perhaps with one of those specialist underbody spray machines it might be just as effective but who is going to do that. I would do it when fairly new, I wold never buy a secondhand car that has been undersealed mid life: this is a favoured way to conceal terrors in Landrovers, you see them advertised all the time.
The following user(s) said Thank You: GeezerDan

Please Log in or Create an account to join the conversation.

More
05 Feb 2020 16:56 #218077 by Scimike
I think we need to differentiate between the term Underseal and Protection wax for those joining the thread.

Underseal is a generic term for a rubberised paint that is applied to potential impact areas to provide some level protection from stones etc. Suzuki have made an art of only applying underseal to the absolute minimum of areas that could be subject to this type of damage, it's a way of saving cost. So on all Jimnys it's normal to see the underseal in patches, other areas will just be painted steel, so it's not actually coming off as it was never there in the first place.
The Jimny's tend to rust first on chassis welds and internal box sections, this you can see easily as they are usually just painted areas. Rust can form under the Underseal but it's difficult to see as the flexibility of the covering prevents it showing.

So what can you do?

One method is to get the underside of the vehicle treated with a wax formula. This product never fully sets and has good creep properties when applied to get between metal components. It can also be injected into box sections to prevent rust developing, a common practice in premium vehicles, but sadly not by Suzuki. As the wax will never fully dry it will need a top up every few years, particularly in high splash areas.

Geezerdan
I firmly believe that if you intend to keep your Jimny it's well worth the cost and effort of getting the underside treated with a WAX product, be it DIY or a professional as per Micheal.
NEVER get your vehicle sprayed with underseal, it's a good way to hide rot and trap rust, as Micheal said it's common on rotten Land Rovers etc.

So WAX = yes
Undersealed = no

You do have the body warranty issues at the dealer's, but they tend not to do anything on the underside, usually it needs to be a hole before it's a warranty claim. You are not treating the paint work above so it's going to be hard for them to claim it's had an impact on the bodywork.

Of course this is just my opinion and only wishing to highlight the difference.
All the best
Mike

Yokohama Geolanders, Sony head unit, NAUTILUS Air Horn, DRL conversion, Rear cargo space, Elvis Bobblehead, transfer Guard, Indian hanging Elephant, Koni Heavy track dampers, Custom SS exhaust, Voodoo Doll, Adventure Rack with LED ight bar, vintage ERIBA caravan usually attached (yes it's slow)
The following user(s) said Thank You: GeezerDan

Please Log in or Create an account to join the conversation.

  • nogbad
  • Visitor
  • Visitor
    Public
05 Feb 2020 17:09 #218078 by nogbad
Replied by nogbad on topic GEN 4 Jimny undersealing wearing off
Before we picked up the Jimny I phoned Suzuki GB and was told if you want to get car undersealed that's fine would not void warranty I got the dealership to waxoil it before I collected it I think they said bring it back every 2 years.

Please Log in or Create an account to join the conversation.

More
06 Feb 2020 07:07 #218096 by RainerK
Fat would be a 3rd type of product in addition to wax and underseal. The main differences to wax are:
- does not dry out after 3+ years
- is somewhat weaker against mechanical damage
- stays soft and on the next warm day the fat will get softer and re-cover areas with mechanical damage
- whenever you work at your Jimny, the fingers get fatty (ughh!)
- cannot easily be done by yourself because you need to spray hot liquefied fat.

I had fated my Jimny and so far I can recommend it. Definitely in areas without mechanical damage, e.g., inside the frame, .... . The product I used was Mike Sanders, 8kg of it.

The picture shows, what the jimny looked like directly after. The yellow color means that the there is air from hot spraying inside the fat. After a month, this was all glossy, fatty as can be seen in the second picture.
Attachments:

Please Log in or Create an account to join the conversation.

Time to create page: 0.175 seconds
Powered by Kunena Forum

I hope you enjoy using this forum. Please consider making a donation towards the upkeep of this forum website.

We use cookies to give you the best online experience. Please let us know if you agree to all of these cookies. Accepting the Cookies also accepts the Disclaimers for the website.