Davox01 Posted September 30 Share Posted September 30 (edited) My Cars failed its MOT on corroded rear and front sub frames. What am I looking at parts and labour, have been advised the parts needed to be new but they can be aftermarket. Having a problem even finding them only place i can find is ebay. I've had advisory's on the rear W brace, kidney brackets before so i know its pretty rusty underneath. Thanks for any help. Edited September 30 by Davox01 Quote Link to comment Share on other sites More sharing options...
ZMANALEX Posted September 30 Share Posted September 30 Get a second opinion from an indy 350Z specialist as the rear sub frame on the 350 is aluminium so can not rust. Quote Link to comment Share on other sites More sharing options...
Keith D Posted September 30 Share Posted September 30 (edited) Just my two penny worth... new to Zs but not new to mechanics.... Parts don't have to be new, they have to be in a suitable condition to pass an MOT. Something like this looks okay (assuming its the right one) degrease it, wire brush on a drill, rust convertor paint, a couple of coats of chassis black / wax spray in the box, and its ready to be fitted NISSAN 350Z MK1 Z33 2003 - 2009 FRONT SUBFRAME 76386 | eBay Depends on your experience / tools / work area if you could DIY a swap. I reckon it would take me a long weekend for the front if I did it myself Rear is aluminium, as post above and this clearly shows, your MOT inspector has had a mare with that one 2005 NISSAN 350Z V6 Z33 3.5 PETROL MK1 3DRS COUPE REAR SUBFRAME (VQ35DE) | eBay W brace and kidney brackets are very easy swaps, it would take me no more than a couple of hours if I did it myself My best guess a garage would want maybe 2 days? Edited September 30 by Keith D Quote Link to comment Share on other sites More sharing options...
Davox01 Posted September 30 Author Share Posted September 30 Garage said it was a newish regulation, can't remember his exact words but something along the lines of critical structural components have to be new. I've changed garages as I've moved to the other side of town, didn't realise when i booked the MOT that the new garage don't actually do the MOT, they send it off somewhere local, so they haven't looked at it themselves. Going to take it back to the other garage, last year they told them the W brace and kidneys would need replacing soon. Quote Link to comment Share on other sites More sharing options...
ZMANALEX Posted September 30 Share Posted September 30 There are 2 front sub frames so you will have to identify which one. There is the engine cross member that Keith D has mentioned and there is this one below: The engine cross member can be a mare if the bolts are rusted and seized. The one below is an hour's work on a ramp. Quote Link to comment Share on other sites More sharing options...
Keith D Posted October 1 Share Posted October 1 (edited) As I say I've never heard of the new regulation that parts must be new, its worth having a read of the MOT regulation yourself to check. Subframes are covered by Appendix A so section 10 Acceptable Methods of Repair applies MOT inspection manual: cars and passenger vehicles - Guidance - GOV.UK (www.gov.uk) We know the inspector has made one error already, personally I'd take it somewhere else for a retest, and I'd ask them if they can take me under the car and show me exactly what parts have failed. Take a photo and maybe experienced owners on here can advise further. Edited October 1 by Keith D Quote Link to comment Share on other sites More sharing options...
Davox01 Posted October 1 Author Share Posted October 1 Absolutely I'm going back to my old my place, they do the MOT, they don't outsource so it should all be good, they've got me through before. Also had this failure. Going to go out tonight and find a brick wall to test the lights. Not sure what they mean by rear headlamp though. The rear lights don't auto level do they? Nearside Rear Headlamp levelling device inoperative levelling device broken Quote Link to comment Share on other sites More sharing options...
ZMANALEX Posted October 1 Share Posted October 1 They mean that the front headlamp levelling device is situated at the rear of the car. It is located on the end of the rear anti-roll bar on the NSR. Quote Link to comment Share on other sites More sharing options...
Davox01 Posted October 1 Author Share Posted October 1 garage advised me it would be the motor in the headlight thats gone. would that be the probably cause, so just get a nearside headight? Quote Link to comment Share on other sites More sharing options...
ZMANALEX Posted October 1 Share Posted October 1 Best to get clarity from the garage. The headlight levelling system on the rear of the car is a common failure and is visible when carrying out the MOT I have never come across a failed "motor" inside a Xenon headlight, and anyway, how would the garage know if the motor in the headlamp was faulty? Quote Link to comment Share on other sites More sharing options...
Davox01 Posted October 1 Author Share Posted October 1 Think most of my understating issues are due to the garage outsourcing the MOT to another garage. Think they are just reading back to me what the MOT certificate states and making assumptions. 🤨 Quote Link to comment Share on other sites More sharing options...
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