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Timo

Member Since: 14 Jul 2011
Location: Peterborough Ontario
Posts: 171

1984 Defender 110 300 Tdi SW Alveston Red

300tdi rattle bearing under load. Advice needed

So i have everything just about buttoned up for my V8 to 300tdi swap on my 110 (including fixing the footwell). When I finally got the muffler installed I had what I thought was a rattle/bearing noise when the turbo kicks in under load. I changed the Turbo out for another unit as I thought it was out of balance or had a bearing issue.

The turbo swap (with exhaust manifold) was really straight forward and only took about 2hrs.

Unfortunately my noise is still there. It idles perfectly, maybe a bit low. Sounds great until I really step on it then it gets this really bad rattle/ bearing noise. If i back off on the throttle it completely goes away.

Anyone have any suggestions of what I should do to troubleshoot?

Thanks

Tim Series II in pieces
1984 Defender 110 (3.5l V8 now 300TDI)

14th Oct 2014 3:41am

lambert.the.farmer

Member Since: 11 Apr 2012
Location: harrogate
Posts: 2006

Not wishing to be patronising when I say this but it's not exhaust system touching the under carriage? Or a heat shield vibration? Rhubarb and custard let fly with their secret weapon.

14th Oct 2014 7:57am

cornish rattler

Member Since: 31 Aug 2013
Location: Manchester
Posts: 642

1988 Defender 90 200 Tdi CSW Bronze Green

Can you make out if the noise is coming from the top of the engine or the bottom of the engine assuming the noise is internal

Graham

1988 Defender 90 county 200tdi ( Beast )

Paul Walker 1973-2013
( I Almost Had You )

14th Oct 2014 10:15am

g-mack

Member Since: 07 Jan 2014
Location: northumberland
Posts: 1967

im with lambert! i recently changed tail pipe and mid pipe on my tdi. a few weeks later a new noise developed. sounded like a dry gearbox bearing or something similar. turned out to be exhaust pipe vibrating in rubber mount!!!

My 109 thread

my youtube channel

14th Oct 2014 10:24am

Timo

Member Since: 14 Jul 2011
Location: Peterborough Ontario
Posts: 171

Lambert, no worry about patronizing, i asked!. The more i think about this I wonder. It only started after I had the muffler done.....let me check

I was so convinced it was the Turbo

Cheers

Tim Series II in pieces
1984 Defender 110 (3.5l V8 now 300TDI)

14th Oct 2014 12:37pm

Timo

Member Since: 14 Jul 2011
Location: Peterborough Ontario
Posts: 171

Sorted!!!!

So after checking over a few things with some suggestions from a friend. ........

Turns out the lower clamp on the intercooler had completely come loose. It was rattling around under boost pressue/load and I was also losing a considerable amount of power aas the hose was not properly conmected.

Best it has driven since I did the engine swap!,

Thanks for the input

Cheers

Tim Series II in pieces
1984 Defender 110 (3.5l V8 now 300TDI)

16th Oct 2014 2:16am

g-mack

Member Since: 07 Jan 2014
Location: northumberland
Posts: 1967

good news

My 109 thread

my youtube channel

16th Oct 2014 9:38am

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