undertray fitting

Fred Byrne · 23rd March 2022, 16:55

How I dread the instruction--- Remove the undertray. You know that's the easy part. The difficult part is refitting the b'lasted thing. I have found the only way is to use plenty of bad language and eventually it gets the message.
Does anybody know of a nice gentlemanly or ladylike way of doing this.
It really would make my day.

Fred

boater · 23rd March 2022, 17:22

Hi Fred

When I refit mine, I use a box or similar that the undertray can rest on an inch or two below the fixing points. This item needs to be appropriate dependant on the height you have the car lifted.

I then start at the front and put in all the fixings across the car and then work backwards towards the rear, inserting them as you go.

Works for me anyway!

Howard

Southern Star · 23rd March 2022, 18:02

Is there any reason why it is a bad idea to run without an undertray? Mine doesn't have one fitted, I presume it came out of the factory with one but it wasn't there when I bought the car nine years ago and I can't say that its absence has caused me any great inconvenience.

If anything I would regard one as a hindrance as I suspect it would tend to mask fluid leaks which I would be better off knowing about but perhaps I'm missing something obvious?

macafee2 · 23rd March 2022, 18:08

Quote:

Originally Posted by Southern Star

Is there any reason why it is a bad idea to run without an undertray? Mine doesn't have one fitted, I presume it came out of the factory with one but it wasn't there when I bought the car nine years ago and I can't say that its absence has caused me any great inconvenience.

If anything I would regard one as a hindrance as I suspect it would tend to mask fluid leaks which I would be better off knowing about but perhaps I'm missing something obvious?

stop dirt getting into the engine bay? possible negative effect on fuel consumption and wind noise.
I think a lot of people dont have the undertray fitted and survive

macafee2

Vantheman · 23rd March 2022, 18:18

I don't have an undertray but I cut/bent a piece of aluminium sheet to shape to go under the area with pulleys, belts, belt driven stuff and used the undertray fixings to secure it. I thought this was the most vulnerable area and it hasn't stopped me getting access to anything I've needed.

Arctic · 24th March 2022, 08:37

Only one way if you have to do it on your drive, car onto ramps, then re-fit by lying on your back with the undertray on your belly, put the front into the under side of the bumper, then reach to the very back and put the two turn buckles in, then the tray is balanced up, then do the other fixings.

1

polinsteve · 1st April 2022, 08:56

Quote:

Originally Posted by Southern Star

Is there any reason why it is a bad idea to run without an undertray? Mine doesn't have one fitted, I presume it came out of the factory with one but it wasn't there when I bought the car nine years ago and I can't say that its absence has caused me any great inconvenience.

If anything I would regard one as a hindrance as I suspect it would tend to mask fluid leaks which I would be better off knowing about but perhaps I'm missing something obvious?

According to a local Rolls Royce trained engineer who until retirement worked on all cars but specialised in Ferraris, the lack of an undertray can have a serious impact on airflow and cooling.

Arctic · 2nd April 2022, 09:44

Car on ramps.

1

Four front 8mm fixing removed.

2

Next i remove the four centre fixing 10mm

3

3a

That then leaves the tray hanging between the front being inside the front bumper, and the rear still held up by the two buckle turn fixings.

4

Lower the tray to the floor as i slide from under it on my back.

5

Reach down and pull tray out from under the car.

6

Tray set to one side out of the way.

7

I then set about changing out the front ramps for my higher ramps, as these cannot be driven up.

8

Jack each side up and slide the higher ramps in place.

9

10

Then i raise the rear of the car to put the smaller ramps under the rear wheels, as i will be working under the car this weekend.

11

Checking for up and coming mot.

bl52krz · 30th March 2022, 22:08

Quote:

Originally Posted by boater

Hi Fred

When I refit mine, I use a box or similar that the undertray can rest on an inch or two below the fixing points. This item needs to be appropriate dependant on the height you have the car lifted.

I then start at the front and put in all the fixings across the car and then work backwards towards the rear, inserting them as you go.

Works for me anyway!

Howard

Thats two of us then.

Arctic · 30th March 2022, 22:47

I will be taking mine off in the next day or two so will do photo shoot of how i do it

not saying you have to follow my way though.

23rd March 2022, 16:55	#1
Fred Byrne Avid contributor Rover 75 Saloon Join Date: Jun 2018 Location: Ballynahinch Posts: 194 Thanks: 69 Thanked 60 Times in 23 Posts	undertray fitting How I dread the instruction--- Remove the undertray. You know that's the easy part. The difficult part is refitting the b'lasted thing. I have found the only way is to use plenty of bad language and eventually it gets the message. Does anybody know of a nice gentlemanly or ladylike way of doing this. It really would make my day. Fred

24th March 2022, 08:37	#6
Arctic Give to Learn Freelander 2 Join Date: Aug 2010 Location: West Midlands Posts: 18,792 Thanks: 1,155 Thanked 6,407 Times in 3,874 Posts	Only one way if you have to do it on your drive, car onto ramps, then re-fit by lying on your back with the undertray on your belly, put the front into the under side of the bumper, then reach to the very back and put the two turn buckles in, then the tray is balanced up, then do the other fixings. 1 __________________ Arctic Givology Learn to Give Everything is Achievable ad altiora tendo. Check out our Nano meet dates http://www.midlandsnanomeets.co.uk/ http://www.the75andztclub.co.uk/index.php?thepage=howto " You do the work , we supply the expertise "

2nd April 2022, 09:44	#8
Arctic Give to Learn Freelander 2 Join Date: Aug 2010 Location: West Midlands Posts: 18,792 Thanks: 1,155 Thanked 6,407 Times in 3,874 Posts	Under Tray Removal & Fitting. Car on ramps. 1 Four front 8mm fixing removed. 2 Next i remove the four centre fixing 10mm 3 3a That then leaves the tray hanging between the front being inside the front bumper, and the rear still held up by the two buckle turn fixings. 4 Lower the tray to the floor as i slide from under it on my back. 5 Reach down and pull tray out from under the car. 6 Tray set to one side out of the way. 7 I then set about changing out the front ramps for my higher ramps, as these cannot be driven up. 8 Jack each side up and slide the higher ramps in place. 9 10 Then i raise the rear of the car to put the smaller ramps under the rear wheels, as i will be working under the car this weekend. 11 Checking for up and coming mot. __________________ Arctic Givology Learn to Give Everything is Achievable ad altiora tendo. Check out our Nano meet dates http://www.midlandsnanomeets.co.uk/ http://www.the75andztclub.co.uk/index.php?thepage=howto " You do the work , we supply the expertise "

30th March 2022, 22:47	#10
Arctic Give to Learn Freelander 2 Join Date: Aug 2010 Location: West Midlands Posts: 18,792 Thanks: 1,155 Thanked 6,407 Times in 3,874 Posts	I will be taking mine off in the next day or two so will do photo shoot of how i do it not saying you have to follow my way though. __________________ Arctic Givology Learn to Give Everything is Achievable ad altiora tendo. Check out our Nano meet dates http://www.midlandsnanomeets.co.uk/ http://www.the75andztclub.co.uk/index.php?thepage=howto " You do the work , we supply the expertise "

23rd March 2022, 17:22	#2
boater Avid contributor Rover 75 Saloon Join Date: Feb 2012 Location: Rotherham Posts: 233 Thanks: 107 Thanked 73 Times in 46 Posts	Hi Fred When I refit mine, I use a box or similar that the undertray can rest on an inch or two below the fixing points. This item needs to be appropriate dependant on the height you have the car lifted. I then start at the front and put in all the fixings across the car and then work backwards towards the rear, inserting them as you go. Works for me anyway! Howard

23rd March 2022, 18:02	#3
Southern Star Loves to post Rover 75 CTDi Contemporary SE Join Date: Jul 2013 Location: Stretton-under-Fosse, Warwickshire. Posts: 359 Thanks: 54 Thanked 134 Times in 83 Posts	Is there any reason why it is a bad idea to run without an undertray? Mine doesn't have one fitted, I presume it came out of the factory with one but it wasn't there when I bought the car nine years ago and I can't say that its absence has caused me any great inconvenience. If anything I would regard one as a hindrance as I suspect it would tend to mask fluid leaks which I would be better off knowing about but perhaps I'm missing something obvious?

23rd March 2022, 18:18	#5
Vantheman Regular poster Rover 75 Saloon Join Date: Aug 2020 Location: Dorset/Hampshire border Posts: 56 Thanks: 27 Thanked 10 Times in 6 Posts	I don't have an undertray but I cut/bent a piece of aluminium sheet to shape to go under the area with pulleys, belts, belt driven stuff and used the undertray fixings to secure it. I thought this was the most vulnerable area and it hasn't stopped me getting access to anything I've needed.