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850 / S70 & V70 '96-'99 / C70 '97-'05 General Forum for the 850 and P80-platform 70-series models |
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Here is everything wrong with my 850RViews : 1905 Replies : 19Users Viewing This Thread : |
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Nov 25th, 2018, 22:36 | #1 |
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Here is everything wrong with my 850R
Hello guys,
Just bought an nice red 855R, had 20 cars before I have almost never like one as much as this one. I bought the car about 2month ago and drove it back from Stockholm to Paris where i live. After 2 month of ownership and seing how much i like the car i want to put it in tip top shape. It was owned by a Volvo Mechanic for 10 years and about 200.000km ( total is 360.000km ) so i was very well taken care of. Here is everything wrong with it and stuff needed to be done : - WOT : I can do wot in 1st, almost in 2nd and then 3,4,5 the car accelerates but keeps on cutting power through the acceleration, like it is cutting on purpose. If i just put the pedal at 70% then no problems it accelerates quite nicely. I am guessing power is there even at 70% cause i touched the speed limiter at 261km/h on the autobahn. Leak from somewhere ? or plugs ? I am going to do a full stage 0 asap to start fresh anyway. What are the mandatory things for a nice stage 0 ? The engine bay looks really clean but i am tempted for exemple to change all the vacuum lines... pcv is going to get changed too, should i go ipd or volvo ? - I have a circular noise coming from the front of the car which is only hearable from the inside, the noise is linked to the speed of the car, the faster i go the faster the click noise appear, above 50kmh the click noise disappear. - The engine temperature is in the middle of the gauge sitting in traffic or in the city, as soon as i hit the highway or b road, it drops to about 1/3. Thermostat is gone and stuck wide open isn't it ? - Boost gauge isn't working at all, is there any way to check it ? - The speedometer and digital counter is working but not the mechanical one. I heard it is a pretty commun 850 problem, is it easy to fix ? - Last timing belt has been done at 325k km, i am going to have it made soon to start fresh. What are the other things to do while at it ? Water pump of course, but maybe other things too...? - The air-conditioning isn't working. I think i might bring this to a specialised mechanic or is there a commun problem with those ? - Being a swedish version, i have the front fog lights which are always on. Is there a way to by pass this ? I mean is this a ECU code that needs to be modify or is it hardware ? - The commuter switch for the air blower is turning but the air only blows from below the front glass windshield, i can't choose the air to be towards my head, feet, or anywhere else. - The right side of the car under bumps has a metal noise, i guess some bushing are dead. In this case what is the most commun procedure change all the bushing and start fresh ? Or check one by one and change each which need to be changed ? Sorry for a lot of questions ! But thanks a lot in advance for the help ! Hadrien Last edited by Hadrien75; Nov 25th, 2018 at 22:52. |
Nov 26th, 2018, 12:34 | #2 | |||||||||||
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Here is a link to a very good guide - CLICK ME Quote:
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Not a problem, hope you manage to get them all sorted.
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1995 Volvo 850 T5 Estate (Manual) Last edited by Cookeh; Nov 26th, 2018 at 12:40. |
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Nov 26th, 2018, 13:33 | #3 |
C70 T5
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For the Stage 0 - also include;
1. the HT leads (PartForVolvosOnline do the original Bugicord ones at around £50). 2. Gearbox oil applicable to both manual and automatics.
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Nov 26th, 2018, 14:03 | #4 | ||||||||
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Thanks a lot for all the answers. Looks like i can do a few myself
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I quickly tried to found the leak but couldn't, i will try again and see like you said if it can be linked to the boost gauge not working too. I will order all the parts from Volvo and do the full stage 0 with all the mentioned parts. Quote:
I was thinking about a wheel bearing that is gone for the noise yes, i will check next time i can lift the car up. Okay i will order the thermostat as well the coolant temp sensor. Is there different thermostat temp opening models ? Quote:
Yes sorry i mean odometer, couldn't find the right word ! Thanks for the tutorial i will try that this weekend. Quote:
Ok I will have the full cam belt kit from Volvo and OEM. Then done by a pro cause not sure i have the technical knowledge to do this. Same for the AC i will go to see some specialised mechanic, crossing fingers it is just low on refrigerant. Quote:
I think you are on to something with the front lights being always on, i will check that screw tonight and see if it makes a difference. Quote:
Thanks yes it might be that or maybe the sway bars end links, gonna check this too as soon as i lift the car up. Quote:
Does it normally clicks into position when you change the settings ? Cause mine seems all free and loose ( the knob ). Thanks for the lead i will check on the pipes. Quote:
Already did all the fluids on the car as soon as i got it. Brake fluid, Oil, Gearbox oil, coolant |
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Nov 26th, 2018, 14:17 | #5 | ||||||
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Here are another two videos that might help in tracking down the boost leaks. A good preventative maintenance that you can do yourself would be to go around and replace all the vacuum lines. Video 1; Video 2. Quote:
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Here's a short video showing the screw and its effects - hopefully it works. Video. Quote:
On a related note, the channel I keep linking too is an excellent source for trouble shooting faults with the P80 cars. His camera work can be a bit iffy sometimes but the information is great.
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1995 Volvo 850 T5 Estate (Manual) |
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Nov 26th, 2018, 21:14 | #6 |
and Craig!
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boost gauge
There is a white pipe runs along the top of or infront of the inlet manifold,mine had come undone at the rubber L shaped elbow- causing my boost gauge not to work,,,
As Cookeh says, check all your boost hoses, had one split that connects to the throttle body and all the rest were very soft indeed,. Craig.
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Michelle and Craig. 855 R 855 T-5 |
Nov 27th, 2018, 13:36 | #7 |
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- Also the engine looked really clean, I found a cracked vacuum line already.
So yeah i am not going to dig deeper but gonna order all the lines from Volvo. I want to start fresh and know what is new on the car in the future. - Gonna order OEM Thermostat and temp sensor too. - Miracle for the lights ! I did what was said in the video and it fixed the issue ! Car didn't pass French MOT cause of that and smog, so at least that's one of the two issues fixed. - For the heater selector yep I was thinking it could be the inner part of the switch which might be broken. Gonna have more time over the weekend to check it. |
Nov 27th, 2018, 19:16 | #8 |
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Apart from the already mentioned, for air con it could be the magnetic clutch on the ac compressor is out of spec? On S70 and V70 it seems to be relatively common. You can check the gap on it with a feeler gauge, if its off a bit it won't engage properly = no cold air. Also the ac driers can rot out which causes a leak obviously.
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Dec 3rd, 2018, 11:04 | #9 |
Ovlovnut
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Failed the CT cos the 'day-run' lights were on?
That sounds odd. I live in France and have had 6 Volvo's all with day-run lights now and its never been an issue when tested. Good old France eh? Yes to AC compressor clutches and the gap getting too wide with age. Mine did that on my old 850. Its easy to check. Repairs can be done with shims or with wire. I did the 'wire' repair on mine following a tutorial on matthewsvolvosite forum. Worked a treat. Good luck.
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Dec 3rd, 2018, 12:04 | #10 | |
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Hey Paul, Yes it failed cause of the new reg... "Intensité lumineuse trop forte". I did failed also the smog test by just a hair ! I managed to found why my boost gauge wasn't working. The white vacuum line was cut in the middle. I attached it again and it went to life, but the car didn't run well... I accelerated hardly and it unplugged itself just by pressure ( the white vacuum line is attached just by a rubber ), then the car started running better the moment it unplugged ! How could that be ? Meaning my pcv is dead maybe ? |
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