The next revival project Rover 75 Classic SE CDT - MG-Rover.org Forums
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post #1 of 21 (permalink) Old 20-07-2016, 00:28 Thread Starter
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The next revival project Rover 75 Classic SE CDT

We needed a car that was more economical than the Rover 75 Connoisseur 2.5L Auto known as TGB whom we have not used for around 18 months. We aslo need one able to tow a trailer with an MGF on it so the Rover 75 Diesel sounds about right and as we know the 75 model slightly and know just how comfortable they are the hunt was on.

The problem was lack of funds! .

A bit of history. I got TGB from her parking spot and brought her onto the drive to access what she would likely need for an MOT. Sadly it was found that both rear sills are rusted and she needs the sills repaired it also seems that this is about 200 in cost for a decent standard of job. We knew that she has a hand brake issue that is most likely the back plate and that she will proabably requite exchange or refurbished rear calipers and new discs front and rear. With 92778 on the clock she is also due a cam belt change. I have the belts here and a new thermostat complete but no tensioner and no tooling for the job so there goes another 400.

Sitting down and working it out it looked like to put TGB back onto the road was going to cost somewhere around 800-1200 and could be more if more problems were found on the test.

So weeks were spent hunting for a suitable 75 diesel that we could afford and on a minimal budget this proved a challange. Then on ebay a Red Classic SE CDT was spotted but it was a non runner. However it was low mileage for a CDT and auto, looked to be in reasonable condition and was fairly local so looking her over was possible. On the watch list then!! On the last day of the listing an unexpected bill and that wrecked the money earmarked for this . During the following week it was noticed that is was relisted............... seems the winning bidder did not show up so contact was made and I drove down to have a look.

http://i.ebayimg.com/images/g/iz4AAO...v0o/s-l500.jpg

rover75 | eBay

This was her listing. It was also advertised locally. The very first thing I checked was the plenum and yep!!! it was flooded so onto the forums and look for answers and ask questions and the consensus was ECU water damage. On this basis negotiations were conducted and a deal struck and arrangements to get her picked up and brought home made.

Now the tricky part I had not told Ye Olde Dragon about this and things were a little tense when I did so. Things are a little better as it looks like we are selling TGB so she is appeased ATM.





I began to examine her more closely to find out what I need to do to bring her up to good usable condition and to check what the seller said about her and what he had done. After this examination it seems there are quite a few little jobs and some more major ones ................... major in the amount of effort and difficulty to do.

The first jobe was to remove the ECU and have a look at it surprisingly there was no real visable water or tide mark and Marinabrian suggested opening the case and having a look inside:-








Oh dear evidence of water damage rusted screw and hole and corrosion on the alloy case and just onto the PCB. The ECU has been sent away for testing and if possible repair to MarinaBrian from the 75/ZT owners club. Of course silly me left the drivers window down and with the ECU winging it's way up North have taped a bin liner over the opening !
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post #2 of 21 (permalink) Old 20-07-2016, 00:52 Thread Starter
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Work begins.

One thing that this CDT is goinf to need in spades is valeting .................. the vendor was a bricky by trade and I think half a builders yard has found it's way into the car and under the rear seat. The steerign wheel was filthy and the surface is starting to wear. The colour has worn through is several places so we will keep our eyes and ears open for a good replacement. No rush on this as first we have to get her running. As her MOT expired 2 days ago my checks will also include MOT stuff.

This is what we know that needs sorting out and checking:-

1) ECU test and if possible repair..... underway!
2) Change the bonnet ...... Done!



With the replacement bonnet that came with her fitted.

3) get an under bonnet fuel pump retainign bracket.
4) Polish the headlights... man are they frosted lenses!!
5) Clean engine bay ........... it's filthy
6) Investigate coolant staining below the FBH



7) Refit battery tray
8) Get replacement O/S/F arch liner as it's damaged.
9) Swap the wheels to ones with good tyres.
10) Check the brake pad condition and disc condition.
11) check the N/S/F suspension mounting as the cup washer has been fitted upside down???



Am wondering if the new springs were fitted corectly now!

12) Jet through the plenum drains..have already rodded them.



13) refit and secure the undertray!

14) get and fit new Pollen filter



Filthy, clogged, and has mould on it.

15) fit tow ball and connect tow bar wiring.

Being a Classic SE she is fairly basic especially whn compared to the Connoisseur:-





No electric windows in back ..... manual winders here.



Basic AC and no heated seats........ Might have to do some upgrades later.



From a distance the steering wheel looks OK but the wear needs sorting out before the leather becomes damaged.

So there we have it under the grime is a decent car waiting to be discovered and I hope that the ECU problem is THE issue and that I made the right call on her. Other wise I am in deep Doo-Doo.
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post #3 of 21 (permalink) Old 20-07-2016, 20:07 Thread Starter
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Update #1

So today I cleaned out the boot and removed the remnents of the builders yard there and then removed her wheels and fitted my Crowns that have Winter tyres on so she has legal tyres all round. The best of the tyres that were on her is doing duty as a spare and the space saver is relegated to the garage.

While changing the front wheels I noticed that she is in need of new front brakes. They would probably squeek through an MOT but will need doing soon. The undertray is hanging down so that needs to be sorted.

Once we get her running and mobile it will onto the drive way up on ramps and axle stands and get underneath to check brake lines and add protection to them to preserve them if they are OK. Clean off the suspenion arms etc and protect them as well.

So now to start looking for a set of discs and pads for the front.
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post #4 of 21 (permalink) Old 21-07-2016, 21:43 Thread Starter
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Update #2

This afternoon I gave her a wash that is after I sprayed the engine compartment with Jizer water soluble degreaser:-



A bit more presentable and I won't get as mucky now working on her :} and there is more to do just look at this EGR valve:-





and boost hose:-





Am thinking this is my next job ............................ cleaning those. Later once finaces recover a bit it may be prudent to replace the boost hose . Also swapped the cupped plate on the top of the N/S/F suspension as it was on upside down:-





The plenum drains are now clean and clear :-



Put the hose on jet and flushed out the inner one as well. Then it was polish the headlights:-



As they looked like this! I bought a restoration kit but ended up adding a couple of steps. All done by hand no power tools were used:-





A vast improvement and one less possible advisory on the MOT. So next jobs :-

1) Check those hoses and joints showing pink stains around the FBH
2) Remove and clean the ERG valve.
3) Adjust tyre pressures.
4) Order UBP mounting bracket
5) Replace PCV filter
6) Replace air filter
7) Source replacement boot plinth and fit.

I think we have enough to get one with.

Marinabrian has repaired her ECU and it will be back in a few days so then she should be running again....
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post #5 of 21 (permalink) Old 24-07-2016, 18:56 Thread Starter
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Ready for the MOT

It's been a rather tiring few days and filthy work too! However she now looks like this:-





I have to wonder at how well she started and ran with all that muck clogged up the intake route! One thing is certain she starts very easily now and it will be interesting to see what th MOT emission results will be. So now it's get insurance cver on her and get an MOT booked.




New front number plate to replace the tatty delaminating one bonnet with no laquer peel but in the time between quite a bit of work has been done:-





The boot handle/plinth was removed, had to use brute force in the end, and the number plate lamp unit repaired so both lamps work:-



One bulb holder was not making contact. The one I repaired is the one on the left the right had already been repaired some time in the past it seems.

Next was removed the EGR valve and inlet manifold and clean them out:-



The inlet manifold was well clogged up as was the hose to the EGR valve and of course the EGR valve:-







What I fail to understand is how when the car was recently serviced and new air filter along with oil filter was fitted :-





This is just some of what was removed:-



After cleaning:-



Silly me forgot to photograph the cleaned EGR valve before refitting it but both front indicator bulbs have been changed as they had lost their colour. Both flash Orange now.
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post #6 of 21 (permalink) Old 24-07-2016, 20:24
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Holy Guacamole that EGR valve was proper nasty!

Glad you've got it all working now though. Cleaned up lovely too.
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post #7 of 21 (permalink) Old 25-07-2016, 15:57 Thread Starter
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Thank you...................... it seems that I should have cleaned out the MAP sensor as well but I honestly forgot about it so will have to do that another day. Have an MOT booked for tomorrow morning ......................... so fingers crossed.
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post #8 of 21 (permalink) Old 26-07-2016, 21:22 Thread Starter
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Sorry to say she failed on two issues:-

1) Drivers side headlight not giving a sharp cut off

2) O/S lower suspension arm bush shot to pieces.

Had to remove headlight to fit bulb retainer properly and put bulb in correctly. The lower bush defeated my eforts to change it so it is at a local garge to be fitted tomorrow.
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post #9 of 21 (permalink) Old 28-07-2016, 23:55
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Rover 75

very interesting project!

i really like the job on the lights and my ECU looked just like that the other week when I started work on my ZT CDTI.
I used a hair dryer (not at close range) and had the car running again with in half an hour. im going to unblock the plenum drain on the left hand sie next week (the hard to get to one under the brake servo)
I've decided to use a steam cleaner with a thin nozzle once I wrap all the electrics to ensure no water ingress.
MY Egr needs to come off too I hope in the 74k mine has covered it has been done before but not holding out hope for this.

I have a MK2 and it only has the in tank pump.
any ideas if the loom is present to fit the under bonnet pump?
thinking of adding this to assist the in tank pump although on mine it has an uprated one as standard I am thnking that I want to help prolong the life of the pump.

pictures to follow shortly currently doing some re wiring to damaged electrics from a garage that serviced the car before i accuired it.
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post #10 of 21 (permalink) Old 29-07-2016, 10:42
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I saw this


And went straight outside to my 75 as i haven't had the egr off ever in the 5 years i've owned it. So expected it looking like the above picture.

I pulled it off and it looked fairly clean (for an out pipe). So was wondering is the lack of carp a sign of a good engine or my driving style....lol

Its over 136k and i've done at leased 45k of those in the last 5 years.
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post #11 of 21 (permalink) Old 31-07-2016, 14:55 Thread Starter
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Originally Posted by chris2000 View Post
very interesting project!

i really like the job on the lights and my ECU looked just like that the other week when I started work on my ZT CDTI.
I used a hair dryer (not at close range) and had the car running again with in half an hour. im going to unblock the plenum drain on the left hand sie next week (the hard to get to one under the brake servo)
I've decided to use a steam cleaner with a thin nozzle once I wrap all the electrics to ensure no water ingress.
MY Egr needs to come off too I hope in the 74k mine has covered it has been done before but not holding out hope for this.

I have a MK2 and it only has the in tank pump.
any ideas if the loom is present to fit the under bonnet pump?
thinking of adding this to assist the in tank pump although on mine it has an uprated one as standard I am thnking that I want to help prolong the life of the pump.

pictures to follow shortly currently doing some re wiring to damaged electrics from a garage that serviced the car before i accuired it.
Sorry I have no idea if they dropped the wires from the loom for the UBP. The one fitted to this seems a bit noisey had read comments on other forums about this issue so will monitor the situation. Diesels in the 75 are a new sphere for me to explore and learn about.

Mine has done 84k now and i doubt the EGr had ever been cleaned and it seems that I should ahve done the MAP as well so that is a job for another day.
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post #12 of 21 (permalink) Old 31-07-2016, 15:00 Thread Starter
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Originally Posted by 1234dist View Post
I saw this


And went straight outside to my 75 as i haven't had the egr off ever in the 5 years i've owned it. So expected it looking like the above picture.

I pulled it off and it looked fairly clean (for an out pipe). So was wondering is the lack of carp a sign of a good engine or my driving style....lol

Its over 136k and i've done at leased 45k of those in the last 5 years.
I wonder if the type of fuels used also has some bearing on this as well as driving style. Plodding about in town might well help coke it up and as some Supermarket fuel is .................... how shall we put it .................................................. ..... of not the best quality that might also be part of the reason. I was warned from using tesco diesel when i bought the Citreon BX 17 TZD many years ago as their diesel had caused damage to new Xantia's so that is what i did. the BX returned an average consumption of 58 MPG until it was written off by an idiotic "White Van man".
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post #13 of 21 (permalink) Old 31-07-2016, 17:03 Thread Starter
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Forgot to say that the local garage came through and got the bush/mount fitted and we drove from there to the MOT station where she passed the retest. So we are very happy about that. have made enquires about gettign the tow bar electrics sorted and will be having them done once finances allow.





Replacement boot plith fitted but will need badge replacing at a later date.

Going to have new wiring set up installed by a local specialist firm.
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post #14 of 21 (permalink) Old 31-07-2016, 17:42
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If the UB pump is getting loud/ sounding rough it meants it may be on the way out. what I do to keep my pumps in good order on all cars with the m47r bmw unit is, use fuel additive once every 2 tanks. it helps break down deposits in the fuel tank and clean the injectors and the hole fuel system. out of interest how did you get on with the ECU repair? looks like you picked up a fine example of a rover 75 diesel.

the conundrom we all face is what car would we go for out there to ever replace such an amazingly smooth ride quality with comfort and style that just isnt found anywhere else.
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post #15 of 21 (permalink) Old 01-08-2016, 00:43 Thread Starter
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The UBP is new the previous owner fitted new pumps when trying to get the car running and a new battery. Sadly he was not given very good information and advice from the so called mechanic.

The new UBP came from Euro Car Parts and the receipt is with the car. I need to hear another CDT with the pumps runnign to see if it's actually noisey or am I just being too [picky?
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post #16 of 21 (permalink) Old 01-08-2016, 00:57
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the only way of knowing whether it is a good pump really is:

take the top hose off that goes into the fuel filter housing and add a pipe to it to direct it out of the car into a measuring jug.
switch ignition on for a minimum of one minute and then switch off.
measure how many mls of diesel collected in the measuring jug.

this shows you the flow rate per minute and can be checked against manufacturer specifications.
unfortunately i'm yet to obtain a haynes manual however once obtained this should tell you what the flow rate should be at the pump.

if it's out of spec then it would need replaced.

you may be being picky however it it sounds a bit rough it's always worth checked in my opinion.
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post #17 of 21 (permalink) Old 01-08-2016, 12:28 Thread Starter
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I have the Haynes "book of Lies" but use the information found inside carefully as they cannot really be trusted. I use them as a guide only.

The modern ones are also dreadful quality .......................... really crappy paper and cheap ink and images. Compare new to an old one and the cheapness just shouts out . I have some motorcyles ones going back to the early 70's.

Even when haynes were informed of an error they did nothing about it and I can point out two such errors where following the Hynes manual and instructions will result in damage ....................... yet the manual remain unchanged and still have these incorrect instructions in them.

Well now to the good stuff The CDT drives very nicely indeed now fully on the road as we taxed her this morning painful experience that! We also put more fuel in and she has 3/4 tank now just did about 60 miles to visit the nephew and on the way back called in to get the wheel alignment checked.

the big shock came that she is within tolerance!!! The N/S/R wheel was the worse but is still in the green band so no adjustments were made. Over the next week or so I will spray all the fixings and adjusting fixtures with penetrating fluid and once we swap the steering wheel over, once it arrives that is (her original is worn throught he surface layer on one spot), will get her alignment tweeked then and make sure the wheel is straight.
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post #18 of 21 (permalink) Old 01-08-2016, 17:34
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Maybe not haynes then lol

I was hoping that it wouldn't be a book of lies

now then that sounds good I'm surprised the builder has kept it in tollerence that is good news

you will love the 75 I have 3 75 CDT'S and two MG ZT CDT'S in the family we all drive and love these cars my dads has 210,000 miles on it!!
look after it well and you will have it absolute years.
your's is a beauty as well I just love the red. How is the performance? so long as it feels nippy enough it should be running perfectly
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post #19 of 21 (permalink) Old 03-08-2016, 16:20 Thread Starter
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Ahhh Chris this is not my first or only 75 ...................... I have a Cowley Built 75 Connoisseur 2.5 Auto in White Gold with Aubergine Personal Line interior that I have had for some years. It has not been used for nigh on two years and I thought we would be getting rid of it butt he nephew has come up with some ideas that will probably mean it is put back onto the road. It all depends on the sale of the field and or property.
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post #20 of 21 (permalink) Old 08-08-2016, 00:48
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LOL i forgot that on your thread :P

I've been busy this weekend my mums bermuda 75 in white had a flooded plenum chamber.

cleaned it all out took ECU out dried it re fitted fired up no problem ran for 30 minutes.

I thought it was all sorted however phone call this morning and it wouldn't go again.

turns out the water had submerged the electrical connectors to the ECu and re- submerged it again over night. massive 2 hour clean up opp with hair dryer and severe rodding.

big question asked afterwards today, " where do you generally park this car?"
Answer- under the tree's in the car park.

Don't think that will happen again now :P these cars are such a joy to drive but I am going to make some modifications to the 3 we use the most for commuting.

thinking about spy hole modification and also some sort of small gauge filter mesh under the two scuttle service covers.
don't want a hard winter with them this year. :P
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