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EGR valve - clean, blank, or replace?
#1
For a couple of days we've had an oily smell coming into the car when coming to a halt. It's not like diesel, or exhaust, just oily. As we were coming past the dealer today we called and they had a look. Verdict is that it's coming from the EGR. Quote for a new one including fitting is around £280 Sad  
Anyone have any thoughts please? The car is a 2006 1.6hdi, 90bhp, 108k. Haven't really looked at DIY options and EGR valve prices and types seem to vary a lot. Thanks folks.
'56 Multispace 1.6HDi - Iron Grey
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#2
There are a few posts in the M59 section on EGR valves. It's an easy enough job on the 1.6 to blank them, it would be a good first step in diagnosing your problem.
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  • pidgeonpost
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#3
Look around the injectors if there is an oily tar like residue you could be getting fumes from leaking seals. If they are leaking bad sometimes you get a chuffing noise while running. You can get away with tightening them up but if bad you will need new seals but not pricey.
Are we there yet????? Huh
Ex 1.6hdi van now 3 seater 1.4 multispace
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  • pidgeonpost
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#4
(11-10-2019, 06:47 AM)Tomcat3 Wrote:  Look around the injectors if there is an oily tar like residue you could be getting fumes from leaking seals. If they are leaking bad sometimes you get a chuffing noise while running. You can get away with tightening them up but if bad you will need new seals but not pricey.

Good point, the 1.6 injector clamps have a habit of coming loose, you'll need a 7mm allen key to check/tighten them. While we're on the bigger picture, is the air filter housing wobbling around? If so, you may be getting excess oil pulled through the turbo.
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#5
(11-10-2019, 07:06 AM)cancunia Wrote:  
(11-10-2019, 06:47 AM)Tomcat3 Wrote:  Look around the injectors if there is an oily tar like residue you could be getting fumes from leaking seals. If they are leaking bad sometimes you get a chuffing noise while running. You can get away with tightening them up but if bad you will need new seals but not pricey.

Good point, the 1.6 injector clamps have a habit of coming loose, you'll need a 7mm allen key to check/tighten them. While we're on the bigger picture, is the air filter housing wobbling around? If so, you may be getting excess oil pulled through the turbo.

Thanks for those pointers gents. At MOT time they commented that the air box rubbers were worn, and yes, the ducting is all a bit wobbly. I guess that if the ducting has to come out to do the EGR valve it might make sense to replace these rubbers at the same time - if spares are available. Unfortunately I don't have a Haynes manual to read up on what's involved and at 71 the idea of under-bonnet grovelling isn't as attractive as it used to be.  Undecided
'56 Multispace 1.6HDi - Iron Grey
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#6
It could be that the air box is rubbing on the EGR valve. The pipework from the air intake to the turbo includes a breather pipe from the cover at the top of the engine (guess they're not called rocker covers any more!), there's a valve inside the cover that depends on a vacuum from the turbo, the MAF also relies on that vacuum to get an accurate reading on airflow. Have a search around in the M59 section for things like EGR , Air Filter , Catchcan.
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