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Yikes...LS400 exhaust blowing...


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Hi

Any advice where I can source the y section in the exhaust. It’s post cat from the flanges to rear section...

I think this is a common failure point. The section has heat shields...I’d rather replace than attempt a repair. LS400 Year 2000.

The local ATS will fit it: they can’t source the part though - I’ve known them for years and they’re always helpful. 

cheers 🤢

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Hi

Last time I checked, the Y section costs around £300 from the main dealer, but if you go to a specialist, they will charge around £125 to cut the flanges and weld a stainless steel pipe instead 

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Hi

I’ve seen a discounted price of £440 from one Lexus OE and dealer. 

Flanges are serviceable, the blow is passenger side top under the heat shield. It’s not in the classic elbow of the Y. Visually it doesn’t look a mess...yep the flanges and bolts are rusty with a build up of rust.

The section would need to come out for repair if a repair is viable. I reckon if the repair touches or exceeds £200 then I’d bite the bullet: fit and forget...😌

I can’t complain as apart from usual maintenance there’s been little to worry about.

My Christmas job is replacing rear discs and pads: £200 for OE. For parts - and I’m ok with that. They’ll be arriving anytime soon.

 

 

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1 hour ago, messi said:

Hi

Last time I checked, the Y section costs around £300 from the main dealer, but if you go to a specialist, they will charge around £125 to cut the flanges and weld a stainless steel pipe instead 

Place in Brighton only charged me about £50 to take the Y section out and weld it, that was about 5 years ago. been OK ever since. I think they were called Grove Motors. There are quite a few people on the LOC so I expect someone will pop up with all their details.

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26 minutes ago, Bluesman said:

Place in Brighton only charged me about £50 to take the Y section out and weld it, that was about 5 years ago. been OK ever since. I think they were called Grove Motors. There are quite a few people on the LOC so I expect someone will pop up with all their details.

I was with you at the time, glad its lasted so long. Grove Garage Brighton, no longer in the mews, they've got bigger premises now although still slightly awkward access! https://www.google.com/search?gs_ssp=eJzj4tZP1zcsK8_JyykxNmC0UjWoMLEwNzMwMTM3TbMwM0tNMrQyqLAwsTRLtkgzS000NjVMMk30Ek0vyi9LVUhPLEpMT1VIKspMzyjJzwMAKloW0A&q=grove+garage+brighton&oq=grove+garage&aqs=chrome.1.69i57j46i175i199l4.6873j0j7&client=ms-android-motorola-rev2&sourceid=chrome-mobile&ie=UTF-8

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20 minutes ago, The-Acre said:

Hello again. Trust life is treating you and your family healthy. Yes, she has done well. I only do about 4k to 5k a year now, but she still goes fast, quietly and in luxury and all on LPG. Had the time belt fitted in the summer so no worries there, I have checked belt and water pump and they don't look as though they done 1000 miles let alone 80K. I am waiting to have a front bumper sprayed from blue to green as I had an argument with a very high kerb in some roadworks.

Take care of yourself and family. Mike.

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I spoke to Lee from Gove Garage in Brighton.

Very helpful and knowledgeable as an ex Lexus mechanic. I’m paying a visit early next month for pipe surgery...he’ll check the EGR pipe at the same time.

If the flanges are shot he’ll cut them off and replace them...sounds good to me.

🔧👍

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5 minutes ago, Tinonline said:

I spoke to Lee from Gove Garage in Brighton.

Very helpful and knowledgeable as an ex Lexus mechanic. I’m paying a visit early next month for pipe surgery...he’ll check the EGR pipe at the same time.

If the flanges are shot he’ll cut them off and replace them...sounds good to me.

🔧👍

Let me know if you want to meet up for coffee, I'm only 10 miles from Brighton, although I'm away from the twelfth for a week if Boris says it's ok.

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I got several small pinholes under the heatshield . Removed  shield  and wrapped on plenty of thin stainless steel sheet metal with some compound and plenty of stainless hoseclamps, That fix has lasted three years now. 

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  • 1 month later...
On 11/18/2020 at 8:10 PM, The-Acre said:

Thanks to Bluesman and The-Acre I ended up in a very cold Brighton to at last, get to Grove Garage.

As mentioned, Lee is ex-Lexus and the garage in addition to catering to all vehicles is badged up as a Toyota Specialist as indeed they are. Lee also repairs and fabricates exhaust systems. The entrance is small and tight but leads to a good sized workshop. They were very busy.

Once the heat shields were off, it first appeared as though a quick repair would be in order with two leaks towards the front of the Y on both sides. These welded up but the driver's side section towards the Y would not hold the weld at all. Visibly all looked well but the metal was thin and as the pipes joined, there was hidden rust underneath and the weld kept pin holing. So it became apparent a larger repair was required.

Lee fabricated a new Y section and joined this to the rear pipe and moved the muffler box a few inches back to get a better fit and weld. Total damage all in was £233. Looks good and tidy.

At last I have a quiet motor and the correct back-pressure to get the smooth, full power delivery back. 😁 No doubt the petrol consumption will be back to normal - i'd taken a look at whilst trundling along at 60 mph and it looked a bit mean to me...a little off.

Next on the list when I can get the weather sorted: have OE rear discs/pads ready to fit. Fan carrier bracket (Gates), ready to fit. Indicator unit ready to fit. Btw velcro is working well keeping old unit in place. I really have to sort out the dings in a few panels, the wheels and the front bumper that looks as though its molting.

In our conversation on my 400, Lee said: "Don't sell it will you..." they are indeed rare and prized motors that will become desirable. It's got that shape that looks awful in some respects but in time assumes an attractive aspect. Look at the classics people crave now.

No problem with adding my support for Grove Garage. I've discovered and met a garage of choice thanks to The-Acre and Bluesman. It is worth the trip from Reading: important to book in and agree timescales if you are coming from afar as this is a successful and busy busy business. I'll be using again.

:driving:

 

 

 

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54 minutes ago, Tinonline said:

Thanks to Bluesman and The-Acre I ended up in a very cold Brighton to at last, get to Grove Garage.

As mentioned, Lee is ex-Lexus and the garage in addition to catering to all vehicles is badged up as a Toyota Specialist as indeed they are. Lee also repairs and fabricates exhaust systems. The entrance is small and tight but leads to a good sized workshop. They were very busy.

Once the heat shields were off, it first appeared as though a quick repair would be in order with two leaks towards the front of the Y on both sides. These welded up but the driver's side section towards the Y would not hold the weld at all. Visibly all looked well but the metal was thin and as the pipes joined, there was hidden rust underneath and the weld kept pin holing. So it became apparent a larger repair was required.

Lee fabricated a new Y section and joined this to the rear pipe and moved the muffler box a few inches back to get a better fit and weld. Total damage all in was £233. Looks good and tidy.

At last I have a quiet motor and the correct back-pressure to get the smooth, full power delivery back. 😁 No doubt the petrol consumption will be back to normal - i'd taken a look at whilst trundling along at 60 mph and it looked a bit mean to me...a little off.

Next on the list when I can get the weather sorted: have OE rear discs/pads ready to fit. Fan carrier bracket (Gates), ready to fit. Indicator unit ready to fit. Btw velcro is working well keeping old unit in place. I really have to sort out the dings in a few panels, the wheels and the front bumper that looks as though its molting.

In our conversation on my 400, Lee said: "Don't sell it will you..." they are indeed rare and prized motors that will become desirable. It's got that shape that looks awful in some respects but in time assumes an attractive aspect. Look at the classics people crave now.

No problem with adding my support for Grove Garage. I've discovered and met a garage of choice thanks to The-Acre and Bluesman. It is worth the trip from Reading: important to book in and agree timescales if you are coming from afar as this is a successful and busy busy business. I'll be using again.

:driving:

 

 

 

That's really good to hear.  And if you think the entrance is tight you should have seen it when the premises were in a Brighton mews!  Another MK4 LS400 has made a permanent appearance near our house, I often see it when I walk the dog. I think they're a fantastic looking car, and when you walk past one they just look sooo long!   

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