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paul, i was'nt on about the clutch centre plate, as it's auto it has the drive plate that bolts to the crank, and to the torque converter, and they are known to fail, either crack or spin the centre out, when they crack it sound just like the bottom end has failed/knocking. :thumb2

would it get worse the more you used it untill it finally foofed up then ? ... or would it just suddenly foof the engine up ? :nenau
 
would it get worse the more you used it untill it finally foofed up then ? ... or would it just suddenly foof the engine up ? :nenau

it should'nt damage the engine at all, when they break it makes a heavy knocking noise so you suspect the engine, i have had one knocking for over a week but it was a car and not a 4x4, i would imagine, with the torque of a diesel it would let go pretty quickly. :thumbs
 
paul, i was'nt on about the clutch centre plate, as it's auto it has the drive plate that bolts to the crank, and to the torque converter, and they are known to fail, either crack or spin the centre out, when they crack it sound just like the bottom end has failed/knocking. :thumb2

yes i've been looking at a few diagrams and explanations and its still all brain surgery to me Tel :rolleyes:
 
yes i've been looking at a few diagrams and explanations and its still all brain surgery to me Tel :rolleyes:

so by fitting another gearbox , we could have increased the torque available to this thingie ,and if it had a little hairline crack , it would have got worse when driven ? :nenau
 
yes i've been looking at a few diagrams and explanations and its still all brain surgery to me Tel :rolleyes:

the drive plate is for all intent and purpose an auto fly wheel and the torque converter is the clutch if you see what i mean, :lol, the torque converter is heavy and acts as a turbine to push auto fluid at extreme pressure into the gearbox through a series of vales and these operate the drive bands, the look a night mare to work on, i have worked on the borg warner boxes used on early fords etc, but they are all work on the same principle,. :doh
 
so by fitting another gearbox , we could have increased the torque available to this thingie ,and if it had a little hairline crack , it would have got worse when driven ? :nenau

no not really pete, gearbox would be the same, it's proberly down to bad luck to be honest, and yes if it had a hairline crack it would only get worse. :thumbs
 
no not really pete, gearbox would be the same, it's proberly down to bad luck to be honest, and yes if it had a hairline crack it would only get worse. :thumbs

All the more reason for viewing this truck with great suspicion. Once its on the road what's next ffs steering wheel disintegrate at 70mph ? seat foam break down into constituent components and poison the occupants ? air bag detonators 20000% over strength and going off randomly because some cowboy (who did the rad) fitted them off a space rocket and wired them into the switch that "you always wondered what it did" :nenau

Bad luck, unusual faults, anyone seen the film read the book CHRISTINE ? either that or its plain & simple a lemon. Swap it :naughty

I'm not being negative just practical and realistic. I think its fair to say the unfortunate owner has not got bottomless pockets and its not a particularly cheap motor to run even if 100% reliable.
 
100% agree with you rick, it's got to be new, have you tried fords? i assume the plate is the same as a maverick, :thumb2

Yes tried Ford local dealer, but really they just made motions that in the end they would source from Nissan anyway, as it is not a proper ford part, but could not prove that as the wanted full details, and as soon as I said it was a Mistral they decided that they could not look it up on their system anyway, so will wait till Monday when we get it out, incidently have you experience of these yourself, is it better to remove the box or the engine, to get the engine out you have to remove the front diff but have not tried removing a box as yet, Rick
 
Yes tried Ford local dealer, but really they just made motions that in the end they would source from Nissan anyway, as it is not a proper ford part, but could not prove that as the wanted full details, and as soon as I said it was a Mistral they decided that they could not look it up on their system anyway, so will wait till Monday when we get it out, incidently have you experience of these yourself, is it better to remove the box or the engine, to get the engine out you have to remove the front diff but have not tried removing a box as yet, Rick

hi rick, i hav'nt any experience with the nissan auto box, only the borg warner and the c4 boxes ford used in the 70' 80's, i do know it's easier to remove the box rather than the engine, and make sure the torque converter stays on the gearbox splines, i assume you remove the starter motor and undo the bolts holding torque converter to drive plate, as on the earlier boxes.
 
Drive Plate

hi rick, i hav'nt any experience with the nissan auto box, only the borg warner and the c4 boxes ford used in the 70' 80's, i do know it's easier to remove the box rather than the engine, and make sure the torque converter stays on the gearbox splines, i assume you remove the starter motor and undo the bolts holding torque converter to drive plate, as on the earlier boxes.

Point taken it is just that after removing the engine on my Terrano and finding that there is not space to bring it forward to get it of the box, we looked at moving the box back but it is a masive lump and so many bits to remove we looked again hard and decided that if we remove the front diff it will just come out, and it did with all the weight on the hoist easy to control rather than a trolley jack under the vehicle with a heavy imballanced lump, also been looking at the manual re drive plate, looks to me like the ring gear is part of the bit that is broke, the part that the parts guy was describing looks more like the stiffner plate, manual EM page 83, so could be a fair bit dearer than the plate guy quoated, whatever it will still be better to get new but poss delivery will be shorted for this part as opposed to other bit, when we get it out I will take pics so all can see, Rick
 
Has the 'box actually been removed from the engine to examine the flex plate ????

- very common for them to crack if the 'box has been left to hang from the engine unsupported.

I dont see any pic's either, assumiung there should be some from reading the posts..

Hi yes there will be pic's as soon as we get the offending bits off, just been a bit busy at the moment, and now trying to decide the best course of action, ie remove the box or the engine, I cannot afford to occupy the workshop for 21 days while waiting for spares, and if the box is removed ie slid back without removing the torsion bars the vehicle may be hard to move out of the way if we remove the engine then the motor is more mobile but looks like more work, yes agreed if the box was left hanging on the plate it will have bent it and failure will result??? Rick
 
Excuse my ignorance, but does this broken drive plate being the offending item and the source of the noise mean that a new engine is not required?:nenau

Ian.
 
Excuse my ignorance, but does this broken drive plate being the offending item and the source of the noise mean that a new engine is not required?:nenau

Ian.

i was thinking the same thing. but it sounds like even if that is the case, the engine may have to come out anyway, and this new one is much lower miles, plus moneys spent, one of them awkward situations i think!
 
Excuse my ignorance, but does this broken drive plate being the offending item and the source of the noise mean that a new engine is not required?:nenau

Ian.


thats my thought yes ,

im not commenting on the way forward with the engine, i didnt agree with it when the noise issue started. i didnt agree with the new engine purchase ... and didnt put in to the fund because of that. so its only fair i keep out

the gearbox i did put in , and had a say. and for my money ( quite literally ) the garage that did the gearbox should be sorting out this clutch/flywheel issue now. but as daved says proof would be required
 
Excuse my ignorance, but does this broken drive plate being the offending item and the source of the noise mean that a new engine is not required?:nenau

Ian.

as far as i understand it ( and been informed ) .. the engine can be returned for its purchase price minus a percentage ( which i will re imburse if needed so funds are returned back to the club )
 

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