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Macpaul

Member Since: 25 Mar 2013
Location: SW Surrey
Posts: 439

2013 Defender 110 Puma 2.2 USW Loire Blue

2.2 Clattering on cold start - any ideas?

Hello all,

My 63 plate USW makes an awful, noisy clatter on cold start first thing in the morning.

It sounds like the big ends have gone for a couple of seconds, then it's fine.

On a warmish re-start it's fine too from key on.

The oil pressure light goes out straight away every time.

Is this one of those quirks that happens to all of them (as the dealer says) or has anyone had this problem and found a solution?

Thanks.

Simon. 2003 Td5 110 Hardtop
Now a 2013 110 USW too.

6th Jan 2015 5:29pm

landy andy

Member Since: 15 Feb 2009
Location: Ware, Herts
Posts: 5788

2006 Defender 110 Td5 USW Zermatt Silver

I had big end noise, that was eventually worked out to be a new vcv, my noise was when hot, but then fitted new vcv and got noise (less) when cold until it was re calibrated into the fuel system

So my guess is either new vcv required and re calibrating, or just re calibrating your existing one.

BUT mine was on a 2.4 Tdci, so may be completely wrong.

Andy

6th Jan 2015 5:36pm

Macpaul

Member Since: 25 Mar 2013
Location: SW Surrey
Posts: 439

Thanks Andy but what's a vcv?! 2003 Td5 110 Hardtop
Now a 2013 110 USW too.

6th Jan 2015 6:47pm

landy andy

Member Since: 15 Feb 2009
Location: Ware, Herts
Posts: 5788

Variable control valve. It's a small electronic thing that bolts to top of the fuel pump. Easy to change but very very fiddly. But then computer kit needed for programming.

Andy

6th Jan 2015 7:50pm

Macpaul

Member Since: 25 Mar 2013
Location: SW Surrey
Posts: 439

Aha!

Thanks, I'll suggest it to the dealer. 2003 Td5 110 Hardtop
Now a 2013 110 USW too.

6th Jan 2015 7:53pm

landy andy

Member Since: 15 Feb 2009
Location: Ware, Herts
Posts: 5788

Bit of info here

http://www.defender2.net/forum/topic29678-15.html

6th Jan 2015 7:55pm

Macpaul

Member Since: 25 Mar 2013
Location: SW Surrey
Posts: 439

That's great thank you. 2003 Td5 110 Hardtop
Now a 2013 110 USW too.

6th Jan 2015 8:02pm

Macpaul

Member Since: 25 Mar 2013
Location: SW Surrey
Posts: 439

Update - well the dealer's not interested.

'Its a normal sound for a Defender. Sir.'

Bloody well isnt.

Does it get worse if a variable control valve problem?

And if it is VCV, what's actually happening? 2003 Td5 110 Hardtop
Now a 2013 110 USW too.

8th Jan 2015 10:24pm

landy andy

Member Since: 15 Feb 2009
Location: Ware, Herts
Posts: 5788

I can only say by my experience, but I think it's overfueling causing diesel knock which is not good, as it can't control the amount of fuel correctly. I don't know if it will get worse as that will depend on if your VCV (if it is that) just needs re calibrating into the system, or if it is failing. If failing I think it will get worse, to a point that the knocking is considerable, and more constant.

A recalibration for someone who knows what they are doing, and has the kit is a very very very simple job, less than an half an hour, and would certainly assist with assessing the noise, and be my first stage.

Andy

8th Jan 2015 11:43pm

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