|
Diesel Engines A forum dedicated to diesel engines fitted to Volvo cars. See the first post in this forum for a list of the diesel engines. |
Information |
|
Snapped Cam-belt QuestionViews : 14286 Replies : 92Users Viewing This Thread : |
|
Thread Tools | Display Modes |
Sep 14th, 2013, 11:42 | #21 |
Experienced Member
Last Online: Today 14:41
Join Date: Jun 2007
Location: L/H side
|
well if the belt is timed correctly ( how was the bottom crankshaft pulley lined up ? ) and it turns over with no tight spots then there is nothing lost in trying it , take the 5 glow plugs out so it doesnt start and eliminated compression , if it turns freely with no binding and no knock sounds then give it a go .. there could be a slim chance .
__________________
My comments are only based on my opinions and vast experience . |
The Following 2 Users Say Thank You to Clan For This Useful Post: |
Sep 27th, 2013, 14:24 | #22 |
Master Member
|
Just tried turning it with new tensioner on and I would say there is most definitely 'tight spots'.
Guess the head is coming off now then |
Sep 27th, 2013, 18:46 | #23 |
Volvologist
Last Online: Dec 6th, 2023 11:13
Join Date: Aug 2008
Location: Bangor - Norn Iron
|
In my mind there wouldn't be tight spots? The valves have bounced and the pistons have made space for themselves, I'd put it all together and turn the key now, its not going to get any more damaged if its timed correctly
__________________
What's the matter with the car I'm driving? Can't you tell that it's out of style? Should I get a set of white wall tires? Are you gonna cruise the miracle mile? |
Sep 27th, 2013, 19:25 | #24 |
Master Member
|
It didn't really feel too good at all when I was turning it actually.
It would go so far and then become really quite tight, but then if you let off the pressure and put it back on again it would turn. Sounds strange but thats the best way I can describe it . When I tried this before I thought it was maybe just the way the belt was running on the knackered tensioner, but the new one on now made no difference. Anyhow, I have bitten the bullet and started to strip the head off. Coolant drained, airbox out, engine mount off etc. Is it really necessary to drain the oil though? Surely it will all be in the sump anyway? |
Sep 27th, 2013, 19:44 | #25 |
VOC Member
Last Online: Nov 6th, 2016 10:18
Join Date: May 2009
Location: Blackpool UK
|
I would try and fire it up rather than take it to bits as you won't do any more damage than already in there (if any). The difficulty to turn it over by hand that becomes easier if left for a bit could simply be good cylinder compression which on an oil burner will be quite high thus difficult to turn by hand. As the compression leaks past the valves and piston rings (given a little time) it will become easier to turn until the next piston starts to build up pressure where the cycle repeats itself 2,5 times per revolution of the engine - Mike
|
The Following 2 Users Say Thank You to mikealder For This Useful Post: |
Sep 27th, 2013, 20:01 | #26 |
Master Member
|
Interesting stuff Mike.
In that case then Im glad that the wife interrupted me today to go shopping, before I got to stripping anything else. |
The Following User Says Thank You to stutgart69 For This Useful Post: |
Sep 28th, 2013, 09:47 | #27 |
Member
Last Online: Sep 27th, 2016 13:10
Join Date: Jan 2009
Location: Swansea
|
Turn the key with your right hand, cross your fingers on your left hand, look to the east and hope for the best ! Seriously though you have nothing to loose now, if its damaged its damaged and the head will need removing , IF by luck its ok then youve saved yourself a hell of a lot of work and have a running car again.
|
Sep 28th, 2013, 10:28 | #28 |
Senior Member
Last Online: Jun 2nd, 2019 22:26
Join Date: Jul 2011
Location: Sheerness, Kent
|
Go on. Do it !
|
Sep 28th, 2013, 10:42 | #29 |
Me ? Surely Not!
Last Online: Apr 25th, 2024 19:48
Join Date: Jul 2010
Location: 2007 Volvo XC90 D5 Geartronic. South of Hadrians Wall.
|
Totally agree. Probably no need to refill the cooling system either at this stage if you are just firing it up to see if it will run.
I am intrigued with this and wish you luck. Let us know how you get on. Absolutely nothing to loose and potentially a lot to gain
__________________
“Do the right thing. It will gratify some people and astonish the rest.” – Mark Twain 😊 2007 Volvo XC90 D5 SE Geartronic |
Sep 28th, 2013, 14:14 | #30 |
Master Member
|
Well, this morning I took out the glow plugs, as per Clans instructions, and turned the key.........
And it actually sounded fine to me So now I have put it all back together and will fire it up shortly. |
Currently Active Users Viewing This Thread: 1 (0 members and 1 guests) | |
|
|