Under bonnet - removing bulkhead/scuttle panel access covers

DCPU · Jun 26, 2023

These two:

One plastic 10mm nut (mine stripped on offside) and two clips on the inside edge:

And an extra (easter egg?) lambda on the offside with great access to the wiper motor:

And access to the air intake/heater on the nearside:

DCPU · Jun 26, 2023

On the offside there appears to be some form of sealant over the (badly fitted) fir tree cable clip. I wonder if there's been an issue of water ingress onto the wiper electrics/motor?:

Whilst no evidence of any sealant on the other side:

DenisM · Jun 26, 2023

A great help for future! thank you @DCPU !
The heater access on the nearside is reminiscent of similar access for the RangieP38... which used leak until I fabricated a bunding around it as per what's shown here! excellent!

DCPU · Jun 26, 2023

Despite all the cover and foam seals - there was more than a fair amount of tree debris sitting in the scuttle - not sure how all that was getting in?

DCPU · Jun 26, 2023

Another noteable whilst in the area, a nice tidemark under the bonnet seal:

DCPU · Jun 26, 2023

And anyone with water ingress issues may want to see if they have two areas where the the bulkhead seal appears to sit away from the bulkhead:

* Not sure why photos are portraits, they were landscape and illustrated the gaps better?

Krabby · Jun 26, 2023

@Jean Mercier Could this be your water source?

Jean Mercier · Jun 26, 2023

Krabby said:
@Jean Mercier Could this be your water source?

Thanks for the suggestion, but I would say no, because the water comes out of the lateral air vents, and these are situated higher than that seal.

Norb-TX · Jun 26, 2023

Looks like the water just goes straight through to the air vent. I mean, you can see the a/c condenser through it.

anand · Jun 26, 2023

Norb-TX said:
Looks like the water just goes straight through to the air vent. I mean, you can see the a/c condenser through it.

That's the cabin air filter, not the condenser... And that is exactly how it is on many (most) vehicles. My Sprinter is the exact same way, except it has a giant air duct guiding air towards it. The lips around the opening will keep water out (unless, of course, you are driving in water up to the windshield, but you'll have plenty of water intrusion from other places at that point)

Norb-TX · Jun 27, 2023

But as pointed out, there is a lot of debis around the intake. Maybe getting some mist when driving in the rain?

anand · Jun 27, 2023

Norb-TX said:
But as pointed out, there is a lot of debis around the intake. Maybe getting some mist when driving in the rain?

I doubt it very much; the debris is very clearly in the tray area; additionally, it's not out of the ordinary (on all vehicles) to get some leaves/etc on the cabin air filter when you're replacing them

Miltz · May 27, 2024

DCPU said:
Despite all the cover and foam seals - there was more than a fair amount of tree debris sitting in the scuttle - not sure how all that was getting in?
View attachment 7818029

Is this the way to replace the pollen filter or is there access to it from within the cabin, via the footwell or bending the glovebox? I can't see any way of accessing it from within the cabin.

Skydance · May 27, 2024

Miltz said:
Is this the way to replace the pollen filter or is there access to it from within the cabin, via the footwell or bending the glovebox? I can't see any way of accessing it from within the cabin.

The cabin filter can be accessed underneath the passenger glove box. Move seat backwards and look underneath glovebox area, unclip plastic tabs on both sides and slide the cabin filter out.

Logsplitter · May 27, 2024

As @Skydance says. Very easy to do.

Tinerfeño · May 27, 2024

The small debris will go to the ducts before pollen filter with heater intake air. Probably not in rain as their weight increases and the stuff gets sticky.

Elijah · Jul 11, 2024

Do not buy this: PUREFLOW® 2024 INEOS Grenadier Cabin Air Filter With Antibacterial Technology, PC99244X

Doesn’t even come close to fitting.

arakeghedzig · Oct 9, 2024

Anyone have any luck finding a cabin air filter online?

Kevin Mokracek · Nov 6, 2024

arakeghedzig said:
Anyone have any luck finding a cabin air filter online?

Nope, bought the same one Elijah did and had to return it. Bought another from Rock Auto that said it was for the Grenadier and that didn't fit either. So far haven't found a aftermarket cabin filter that works. Had the same bad luck with air filters too. Finally got the correct Wix Air filter number for the Grenadier WA11035 is a perfect fit for the air filter.

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Under bonnet - removing bulkhead/scuttle panel access covers

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