Rear Subframe corrosion

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karga
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Rear Subframe corrosion

Postby karga » Thu Nov 01, 2018 2:05 pm

Just bought a 2013 Jaguar F Type Convertible. Absolutely stunning.

A Little concerned of the excessive corrosion on the rear subframe. Garage who just did the MOT had no problem with it.

This car has an extended warranty with 12 months still to go.

Anyone had any experience with this and know if the Jaguar Warranty will cover it.

Roy

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Re: Rear Subframe corrosion

Postby mike020150 » Fri Nov 02, 2018 3:19 pm

At 5 years of age, Jaguar's corrosion warranty won't cover surface rust on the rear subframe. Get underneath with a wire brush, some black Hammerite and a squirt of Waxoyl (or similar materials) to ensure you will enjoy the car for a long time. It's only the mild steel components which are vulnerable so it's not the biggest job in the world to tackle. Mike.
2014 XK Dynamic R convertible; 1977 Daimler Double Six Coupe; XE S

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Re: Rear Subframe corrosion

Postby kentstype » Sat Nov 03, 2018 4:03 pm

This has been an ongoing issue mentioned every month in the JEC magazine.
2007 S Type 2.7D SE Auto. Sat Nav, BT, Voice, Alpine, CDC, Heated Seats, Front/Rear Sensors-Daily Driver
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karga
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Re: Rear Subframe corrosion

Postby karga » Mon Nov 19, 2018 8:43 pm

Thanks Mike

Sorry I've taken so long to respond.

Please see photo

Doesn't This look a little more than surface rust !

Roy
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Re: Rear Subframe corrosion

Postby mike020150 » Tue Nov 20, 2018 9:38 am

Hi Roy,

Always difficult to be certain from a photo but it does still look like surface rust, admittedly fairly advanced surface rust which will take longer to eradicate before suitable treatment. However, it doesn't look as if it is unsafe or likely to become so in the near future. Just don't leave it untreated would be my advice. Mike.
2014 XK Dynamic R convertible; 1977 Daimler Double Six Coupe; XE S

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karga
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Re: Rear Subframe corrosion

Postby karga » Tue Nov 20, 2018 5:22 pm

Hi Mike

Thanks for your opinion. {It did alarm me when I first saw it and nearly didn't buy the car.}

Looks like a nice messy job for me in Spring ! Saying that, I've worked underneath cars years ago with them perched on small wheel ramps and jacks and laid on my back for hours. I think I'm getting too old for that.

I think this particular job is destined to be done up in the air on a hydraulic ramp. Hopefully my local village garage will do it for me at a sensible price.

Still Think Jaguar should take the resposibility for using substandard material though.

I have a 24 year old XJ6 {X300} and that is no way as bad as this.

I might show the photo of the F Type Subframe to my local Jaguar Dealer and see how they react.

Thanks again and Kind regards.

Roy

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poprivet
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Re: Rear Subframe corrosion

Postby poprivet » Tue Nov 20, 2018 7:00 pm

Roy, is that peeling powder coat in the photo. If so then Jaguar haven't learnt much about surface treatments over the years.

A thinly painted or poorly covered steel surface is almost as bad as none at all as the damp gets between the paint and steel and spreads at an alarming rate. Applying underseal or rust converter has minimal effect unless all the existing paint/powder coat is removed first which isn't easy in these situations. Even treating a newish car is unlikely to be successful as it will just peel off along with the paint underneath it.

It is a poor show of Jaguar although at five years old I doubt they will be of any help. Oddly though, it wouldn't put me off buying a car in this condition, in fact it would be a great bargaining tool price wise. Once properly treated the car will last. Most new cars change owners during the first 4 or 5 years so there is little incentive for the first owner, or dealer come to that, to spend any extra time or money on it.
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karga
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Re: Rear Subframe corrosion

Postby karga » Wed Nov 21, 2018 11:46 pm

Thanks for your response - much appreciated :-)
Roy

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Re: Rear Subframe corrosion

Postby mike020150 » Fri Dec 07, 2018 5:04 pm

Some good news on this subject at last! :D

After much pressure from its dealers and the JEC, Jaguar has accepted that the plating on a number of the rear under body braces has been inadequate. Dealers have recently been issued a bulletin (SSM 74031) which, if a customer complains about the rust on their car, will allow the dealer to replace the affected braces.

Let's hope this action by Jaguar puts this issue to bed. If you have concerns about your rusty F-Type braces and the dealer is reluctant to act, quote the bulletin number as proof that Jaguar is aware of the problem and is taking action. Mike.
2014 XK Dynamic R convertible; 1977 Daimler Double Six Coupe; XE S

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poprivet
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Re: Rear Subframe corrosion

Postby poprivet » Fri Dec 07, 2018 8:28 pm

Dealers have recently been issued a bulletin (SSM 74031) which, if a customer complains about the rust on their car, will allow the dealer to replace the affected braces.
From elsewhere:
Details of the content of SSM74031 as follows:-

Issue: A customer may complain of corrosion appearing on the Under-body braces.
Cause: Insufficient Zinc-Nickel plating on current components.
New spec parts include a Zinc-Nickel plated layer between paint protection and the metal substrate which provides a greater level of corrosion protection for exposed Under Body steel components, including protection against stone chipping and other environmental impacts due to Zinc-Nickel hardness properties.
Action: If any of the Rear Under body braces are exhibiting red rust corrosion, replace them with the new part number as listed below, and submit an EPQR with photo’s attached of the concern and quoting this SSM.


Perhaps spmeone with access to Topix can confirm.
1988 3.6 XJ-S coupe
'Remember that the value of your investment can plummet as well as fall'

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Re: Rear Subframe corrosion

Postby mike020150 » Sat Dec 08, 2018 10:49 am

Yes, that's quoted from the bulletin. Mike.
2014 XK Dynamic R convertible; 1977 Daimler Double Six Coupe; XE S

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poprivet
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Re: Rear Subframe corrosion

Postby poprivet » Sat Dec 08, 2018 8:11 pm

Welcome news of course, but it isn't a recall and sounds like it will only apply if the customer complains.

I wonder if it will be time limited. I also doubt that all owners will be aware of the problem they have. I expect many will not get updated.
1988 3.6 XJ-S coupe
'Remember that the value of your investment can plummet as well as fall'

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Re: Rear Subframe corrosion

Postby mike020150 » Sun Dec 09, 2018 10:41 am

For a company currently losing millions and reducing working at its plants, it's quite surprising Jaguar has arrived at a costly solution for an out of sight issue which has yet to become a safety matter and won't in at least the first five years of the car's life and probably a lot longer. Fortunately, this is a far cry from the Jaguar of old when, not that long ago, rust was a genuine safety worry for some 3/4 year old cars and there was not a realistic hope of a funded solution from the company for vehicles outside the warranty period.

For those about to purchase a used F-Type, you now know what to check and how to negotiate a solution for affected cars (not all are). Jaguar's response may not have been swift as we'd all have liked but at least it's there now in black and white. Mike.
2014 XK Dynamic R convertible; 1977 Daimler Double Six Coupe; XE S

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Re: Rear Subframe corrosion

Postby stypemike2245 » Sun Dec 09, 2018 11:40 am

hi all. new to jag life and to me seems like a baptism of fire. I viewed two lovely looking cars recently or they where in the ebay photos. but although you cant see much at floor level of the underneath of a car to me the subframes looked in a bad way.
okay these cars where 2002 and 2004 s type r's which had interesting stories of decent ownership behind them. Are sub frames expensive to replace? It does seem a little odd that a massive steel company has rust problems with steel products it produces.
(TATA =jaguar)
mike
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Re: Rear Subframe corrosion

Postby mike020150 » Sun Dec 09, 2018 11:59 am

Hi,

Learning about any new brand is a baptism of fire, if only because people will always talk about the bad issues first! The steel on any brand of car 10/15 years of age onwards is at risk of being rusty. The modern S-type is no better, no worse than others in that respect. If you want to check the reality, it's not a bad idea to contact a specialist breaker and ask how much demand they have for whatever component you have your suspicions about. If the breaker laughs down the phone, you know there's a waiting list for it! Mike.
2014 XK Dynamic R convertible; 1977 Daimler Double Six Coupe; XE S


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