Ditto!
Knowing what I now know of the TD5, if I were in your situation, the first thing I'd be double checking would be the injector seals and washers.(unless you've already had them checked/done).
I suspected just about everything except those seals.
Not a hard job to do, and the parts are cheap .. and really should be done .. at a guess every 100K klms or so anyhow.
Like I said, I'm totally convinced that the similar sounding vibration issue brother had was due to the injector seals, which only got worse over the course of the few months we tried to figure out the problem.
BTW: not long after the vibes started I remember doing a service or something where we had much of the front of the car apart, and during idling the harmonic damper was obviously cactus.
Damned expensive thing too, so was changed .. so we assumed that this was the vibe issue. New one fitted made no difference.
ps. the other obvious thing to check would be the injector loom, again, we changed his but made no difference.
Note that I found it close to impossible to believe that the seals would cause such an issue, but then thinking about it, it kind'a makes sense.
The injectors operate at such high pressure, if they're even just a fraction 'imperfect' in the way they operate, it makes an inherently unbalanced machine, more obviously unbalanced.
I have no idea how much the parts cost, but about $50 seems to be about normal, then you just need a couple of hours work to change them.
Hand brake should be obvious(I've read) as they say apply a small amount of handbrake whilst travelling along, and if it doesn't make a difference, then it's not the typical handbrake issue.
FWIW: We changed fuel pump, FPR, fuel filter, the small one way non return valve(at the fuel filter head) engine oil, fuel(first time around, he thought maybe a bad batch of diesel), blew out fuel lines, front propshaft rebuilt, transfer case front flange .. all came to nothing!
Then one day it started to do the shutdown thing, it would run fine for about 2-3mins, no vibes!! .. but then would shut itself down(like a lack of fuel).
I thought CPU or wiring loom, but the respected members who know better all said injector seals ..
Changed them, and ...
And just for clarity on his issue too tho. He then went on a camp trip, and a few weeks after ha came back, it started to vibrate again, only this time only at speed(ie. not engine revs). only in third and fourth. Then when I drove it, the torque converter was ovbiously slipping(unlocking) and causing this new vibe.
Only question I keep going back too now after all was done, was if the torque converter was on the way out prior, and maybe under more strain before the injector seals were done, or did the rough running cause the torque converter to start playing up.
Previous owner had the trans rebuilt about 6 months prior, and of course I'm always weary or such claims, but when I took the converter to a mob to rebuild, it was obviously rebuilt not too long ago.
My mechanic and the trans place I took it for a service both said the trans was obviously rebuilt not long ago too .. so my doubt was squashed.
I still question tho .. if new trans and torque converter, did the injector seal cause the converter to fail early!
Also, apparently you can measure the TD5 engine mounts for wear(collapse) using something like a drill bit. I've only read about it and never tried it(even tho I should have when we were going through the checking phase)
And I'm sure once you figure out the first vibe issue, the secondary noise(under dash) will likely stop being a nuisance.
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Originally Posted by jezzarezza
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