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C70 - Looking to buy one, need advice

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Old Jul 3rd, 2020, 14:06   #31
Bonefishblues
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Originally Posted by zapcity1 View Post
Good point about the psych barrier. My cars are all high tax band, but given that I suffer very low depreciation, the overall costs are still very low compared to running a 30/year French sh*tbox and 60% 3-year depreciation.

Saying that, a new C4 Cactus is 150/year, so still 50% of what my XC70 costs.

However, that jump from band K to L is a hell of step for you C70 auto guys!
Meh, a mere bagatelle

If it wasn't 500+ squids tax I'd have paid much more for my example. Mr swing, meet Mrs roundabout.
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Old Jul 3rd, 2020, 14:07   #32
zapcity1
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So, im home now. Went past a mate who MOTs cars. Seems fine underneath, bushes seem ok.

Its been painted and I reckon I will need to mop some of it. I rang up that cayman garage about the roof, plot out a plan b / c in the event I cant fix the roof. !68 to diagnose and then they will tell me how much I need to spend. Christ. I will herefore do this myself.

Ive noticed on the window switches that I have a button that drops all the windows, so Im assuming the up switch is for all the windows to go up yes ? Well the down button works, but the up button doesnt. When I press up I can hear the door locks flicker and the little red led flash ? So Im wondering if that issue is preventing the roof, as a safe mech.

Thoughts ?
Good point on the windows. According to the system operation doc. the Passenger Door Module (PDM), Driver Door Module (DDM), Left Rear Door Module (LDM) and Right Rear Door Module (RDM) receive a message from Convertible Roof Module (CRM) via CAN and LIN in order to initiate the 'window drop' function during roof operation, so maybe this prevents the roof coming up as it doesn't know where the windows are positioned.
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Now: - MY12 XC60 SE Lux Premium D3 Geartonic AWD, MY09 XC70 D5 SE Lux Geartronic AWD, MY08 C70 SE Lux D5 Geartronic & 1994 480GT
Previously: - MY08 V50 2.0D SE Lux, MY08 S40 1.8 SE, MY10 C70 SE Lux 2.0D Powershift, & 99 V40 2.0T SE Lux

Last edited by zapcity1; Jul 3rd, 2020 at 14:12.
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Old Jul 3rd, 2020, 14:10   #33
zapcity1
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Meh, a mere bagatelle

If it wasn't 500+ squids tax I'd have paid much more for my example. Mr swing, meet Mrs roundabout.
I think you are right. The 500/year tax cars must suffer a hit in value, but great for buyers.

My mate has an S80 V8, and he doesn't worry about the tax when he's filling up daily!!
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Now: - MY12 XC60 SE Lux Premium D3 Geartonic AWD, MY09 XC70 D5 SE Lux Geartronic AWD, MY08 C70 SE Lux D5 Geartronic & 1994 480GT
Previously: - MY08 V50 2.0D SE Lux, MY08 S40 1.8 SE, MY10 C70 SE Lux 2.0D Powershift, & 99 V40 2.0T SE Lux
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Old Jul 3rd, 2020, 17:20   #34
sbk1972
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Well, I put the code scanner on. Seems there was no connection to my pump, removed the covers, pump is all rusty and clearly someone has been here before.

However.... Now Ive got a bigger issue....

When I then tried another go on the roof, put my key in the ignition and noticed the dashboard didnt light up apart from the orange engine light, and the wipers are on, all the time. Car wont start now. Remote fobs dont work, literally nothing works !! :-(

Has anyone had this before ? Car is completely dead, windows dont go up, nothing works apart from a flashing amber engine light and the wipers ??

Ive got a feel Ive blown the ecu. Where is the ECU located ? i suppose there are many so which ones are in the engine bay or foot wells ?

looking in the boot someone has been in here before. cable ties, clips missing, the rear lock cover has broken clips, so diffinately sins of the past here. The motor on the pump looks rusty, the foam around it is soaked so there's been a leak and I reckon the motor is frozen. I will try to remove it and test it with a 12v feed.

However, the roof is the least of my worries as the car is dead ! :-(

Any suggestions ? Anyone encountered this ? If the imobiliser is on would it cause this ? I would of thought that you still could switch the ignition on but when I put it on ignII nothing lights up.

Remember when I said how this car will be either a win or fail, starting to think fail lol

Simon
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Old Yesterday, 08:24   #35
Bonefishblues
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I have no advice re the repair, but I think that recovery to the specialist who can diagnose for 68 seems a very good deal in the light of your post.

I'd start there, and also even at this early stage, based on the report, have in mind the option to break the car to recover your money.

Not intended to be pessimistic, but the time to get out of a project is sometimes before you get in, iyswim.
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Old Yesterday, 09:08   #36
sbk1972
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Hi Bonefish, thanks for replying.

Well, as this thread is turning into an ownership experience I will keep regular updates for future owners that have the same issue.

Car back up and running Been doing some research about the CEM. Seems this litle devil gets all wet and needs a clean, circuit board level. So this morning I started to remove the battery and noticed that one of the connectors to positive was loose. I cleaned up all the connectors and reseated and boom the car came back to life. What confuses you is that you see wipers working and assume the battery is okay however there are a number of positive cables which feed different modules so if one of these isnt getting power then you get the issue I had.

So, if anyone else has this issue, car is dead but wipers are constantly going, ecu light is flashing, then check battery connectors for dirt and a clean connection. I was about to disconnect battery and remove the CEM, which looks an easy job, and this lead me to see the battary issue :-)

So, shes back up and running. Had tons of fault codes which Ive cleared. Just the roof, airbag and air quality sensor, which is in the front wheel well, to do.

Ive removed all the rear boot panels now, all dirty and mouldy and have pressure washed them, with the mats. THey are all drying now . Im going to check the connections from the CRM to the pump first. Been searching on ebay and pumps are 80-100. definately worth a play to see if I can get my old pump working first.

I will then be removing drivers door panel and checking connections on curtain air bay to see if I can sort this too. REading up either the door jam connector plays up or connection behind the door.

I will then get onto engine work. I plan to flush the gearbox, will do a little research on the fault I have, clunking when hot. It doesnt do it cold so Im hoping either low / crap fluid, or a sneak valve. I had a gearbox company nearby and for 120 they will flush and filter it.

Ive ordered new batts for the remote controls as niether now work. I wonder if I need to re-sync codes ? More research lol

Simon

Last edited by sbk1972; Yesterday at 09:13.
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Old Yesterday, 09:14   #37
sbk1972
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Once the rain stops I will take some pics of the beast and show you all what Im dealing with :-)
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Old Yesterday, 09:25   #38
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After the darkness came light...
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