Plenum Check - The Reason Why **ALL OWNERS PLEASE NOTE**

[Arctic]

Originally Posted by First_damned

Excellent was hoping there would be, good to have a extra drain and I found a way to rod them from above

Simon cut the tube at a 45 degree angle past the flaps and you will have no trouble with it in the future unless you get a big bung of mud and leaves block it which I doubt.

[HarryM1BYT]

Originally Posted by joethefro

well said. i checked my plennums the week after getting my ZT and the water was an inch up the pollen filter.

however, when replacing the pollen filter on sunday i realised the ECU is housed in a plastic box that protects it from the outside world. its not water tight by any means.

its not going to protect it from everything, especially if you have a lot of water in there sloshing around in the plennum void but if you get to the blocked plennum quickly enough like i did you should be ok.

If you imagine the ECU plastic cover, as an inverted bucket, you will not be far out. It does protect it from water from above, but will not help with water from below rising due to a blocked or restricted drain.

If you have even the slightest doubt about whether your ECU might have suffered a ducking, then it is worth making sure....

Disconnect the battery, remove and unplug the ECU, then open up its case and check the PCB for signs of ingress. If it shows signs, then it is worth cleaning up the PCB with isopropyl, brushing gently with a soft brush, then drying out thoroughly.

The problem is that water can get in the housing without much difficulty, but once in it is trapped and will simply recirculate inside the case - which is really bad news for electronics.

[Jules]

Guys
If you stop the debris going down the drivers bonnet hinge area in the first place and cut the ends off the tubes, you can stop worrying and only yearly checks will be necessary when the pollen filter is changed!!

All info here

Plenum Shield
http://www.the75andztclub.co.uk/foru...ad.php?t=68328

Or whole shop here
http://www.the75andztclub.co.uk/foru...splay.php?f=74

Fit and forget that's what we like!

[NI-FUB]

As the thread is so clearly marked as important, I as a new owner had a read and then while working around some other faults had a look see and there was water in there all right! This forum and its members have again saved me a nightmare!

I will need to revisit this with some of the ingenious preventative ideas on here but at least for now I have drained it. I had nothing to hand that I could think of to unblock the drain hole, then had a brain wave and used my dip stick, worked a treat. cleaned it thoroughly before an after but instant sunami down the drive.

Cheers guys.

[Jules]

Yep I've used the dipstick or a wiper blade when seeing broken down 75's at the roadside to clear drains.
Works a treat if you have no tools to hand!!!!

[rosephus]

Originally Posted by Jules

Yep I've used the dipstick or a wiper blade when seeing broken down 75's at the roadside to clear drains.
Works a treat if you have no tools to hand!!!!

As does a garden cane.

[chaselpaso]

What a brilliant video to put together to help people. well done.

[selwol]

I replaced my 75 n/a petrol for a diesel last month and one of the first things I did was check the plenums...water was just touching the bottom edge ECU housing.. Garden can and alls well ..

[marinabrian]

Originally Posted by selwol

I replaced my 75 n/a petrol for a diesel last month and one of the first things I did was check the plenums...water was just touching the bottom edge ECU housing.. Garden can and alls well ..

George, just got your PM on the dark side, BigRuss would be your closest man to sort out your 999999 IPK fault, and he can send you on your way with a lot more grunt into the bargain

Brian

[Bazza58]

thanks Arctic for the advice ,all three tubes rodded and cleared also have invested in Jules plenum guard ..not sure if i have fitted the right way though ,