TR6 Plenum chamber drain.

[mleadbeater]

Can you tell me where the drain for the heater scuttle plenum is?

I’ve removed the grill, looks ok , but would like check the drain is clear.

Where does the drain come out?

Cheers

Mike

[PodOne]

Hi Mike

It's connected to rubber hoses both sides which can be seen under the dash which then pass through the tub to empty in the front wing void . The water then flows down the side of the tub and out between the sill and bottom of the front wings - hence the rot that seems to occur there on mine at least. The water from the bonnet gully goes into the same void just to add to the rot potential!

Never had to remove the rubber pipes to clear but I suspect it's not easy given their location with the risk they fall into the void. Others may know a technique to do it.

If your wings are off or off in the future people fit rubber hose to either exit through the front splash guards or pass through the sills and out through the rear of the sill.

Spray some cavity wax in there to stop them rotting out at the lowest points as repairs are very involved ie dash out.

Andy 

[Mike C]

+1-" If your wings are off or off in the future people fit rubber hose to either exit through the front splash guards or pass through the sills and out through the rear of the sill."

[elclem1]

Or if you want to put the drain in to come out of the splash guard take the splash guard off run a new length of hose having drilled a suitable size hole in the splash guard.all can be managed from the void area, use plenty of tyre grease on the pipe to ease fitting. clem 

[mleadbeater]

Thanks for the feedback, I'm in the process of dash refurbishment, re-veneering a good used one, so am planning to take the seats out before my winter refurb project. I'll check the state of the plenum then.

This reminds me of the sunroof drains on an early BWW 320, which ended up inside the cill cavity, which I rerouted through the floor.

Do manufacturers still go for 'planned obsolescence" in this manner?, maybe nowadays it's more geared to electronic systems than good old rust!

Cheers

Mike

[mattyb]

Rubber hose plenum outlet top right of picture - resulting rust bottom of picture.......

[stuart]

23 minutes ago, mattyb said:

Rubber hose plenum outlet top right of picture - resulting rust bottom of picture.......

Thats not bad, theyre often like this!

Stuart.

 

[mattyb]

50 minutes ago, stuart said:

Thats not bad, theyre often like this!

Very true Stuart - ended up doing this anyway - 

Mike -hopefully will be well worth your plenum -

 

cheers Matt

[mleadbeater]

I’ll see if i can remove the splash guard, and extend through the guard as Clem suggests. Don’t want to remove, the wing .

 

 

cheers

Mike

Edited September 14, 2023 by mleadbeater

[DIYBOSSCAT]

Mike,

this what I did when I had my wings off for repair. I used a empty silicon tube, cut down, and cut a good bit of the nozzle off and 12mm rubber tube. It exits through a grommet on the splash guard.

Vince.

 

Edited September 15, 2023 by DIYBOSSCAT

[paul83]

3 hours ago, DIYBOSSCAT said:

Mike,

this what I did when I had my wings off for repair. I used a empty silicon tube, cut down, and cut a good bit of the nozzle off and 12mm rubber tube. It exits through a grommet on the splash guard.

Vince.

 

Thanks for posting Vince.

Edited September 15, 2023 by paul83

[mleadbeater]

1 hour ago, paul83 said:

Thanks for posting Vince.

 

[mleadbeater]

Like it, Vince, do you think this could be done by just removing the splash guard?

 

Mike

[DIYBOSSCAT]

Mike,

it could be assembled first with pipes, 'y' piece and container but might be a tad difficult screwing unit to inner wing (hole needs drilling) and sealing around the end of the gutter.

Vince.