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1HZ Injector pump overhaul ?????

Tech Talk for Cruiser owners.

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1HZ Injector pump overhaul ?????

Post by GUEEY »

New to Toyota diesels !!!

My new truck has just ticked over 200K.
I am about to put a new set of injectors in it.
Does the injector pump require mintenance or recoing at any perticular intervals.
There are now leaks and no noticable problems.

Thanks

Grant.
GU III TD42T UFI18G Cross Country IC, 20 PSI. Neeeeeed mooooore Fueeeeeel.
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Post by oldmate »

the pumps don't need regular servicing. they are quite reliable. I wouldn't bother unless you have problems that may indicate the pump is at fault. they are an expensive item to repair. 200k isn't old for the motor or pump but things around it like alternator/starter are getting on. save your cash for when something else needs done.
The worst part about being told you have Alzheimer's, is that it doesn't just happen once.
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Post by GUEEY »

I went to a diesel specialist to get a price on replacing the Injectors, and they were recommending i overhaul the pump ???
Or were they upselling ???

Grant.
GU III TD42T UFI18G Cross Country IC, 20 PSI. Neeeeeed mooooore Fueeeeeel.
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Post by 80's_delirious »

did they give you an explanation as to why they think it needs rebuilding? did they do some testing to determine that it needs it? I would be suspicious, takes a lot of fun tickets to rebuild, especially if its not needed.
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Post by GUEEY »

80's_delirious wrote:did they give you an explanation as to why they think it needs rebuilding? did they do some testing to determine that it needs it? I would be suspicious, takes a lot of fun tickets to rebuild, especially if its not needed.
They say at 200K the piston and pump housing would be wearing, and i sould be getting it recoed.

Grant
GU III TD42T UFI18G Cross Country IC, 20 PSI. Neeeeeed mooooore Fueeeeeel.
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Post by 80's_delirious »

GUEEY wrote:
80's_delirious wrote:did they give you an explanation as to why they think it needs rebuilding? did they do some testing to determine that it needs it? I would be suspicious, takes a lot of fun tickets to rebuild, especially if its not needed.
They say at 200K the piston and pump housing would be wearing, and i sould be getting it recoed.

Grant
no question that it will have 'worn' after 200k, but is the wear significant enough to have affected the performance or reliability of the pump?
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Post by GUEEY »

80's_delirious wrote:
GUEEY wrote:
80's_delirious wrote:did they give you an explanation as to why they think it needs rebuilding? did they do some testing to determine that it needs it? I would be suspicious, takes a lot of fun tickets to rebuild, especially if its not needed.
They say at 200K the piston and pump housing would be wearing, and i sould be getting it recoed.

Grant
no question that it will have 'worn' after 200k, but is the wear significant enough to have affected the performance or reliability of the pump?
I am considering a turbo install soon, and it has been surgested to have a boost compensator fitted to the pump, maybe thats the time to have it fully recoed ???
GU III TD42T UFI18G Cross Country IC, 20 PSI. Neeeeeed mooooore Fueeeeeel.
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Post by dirtyGQ »

Seems that the do wear badly and a reco is a bit of a waste of time, the housing needs full replacement when worn (quite common) and most times a new pump is what is needed,
THE GRASS MAY BE GREENER ON THE OTHER SIDE BUT YOU STILL GOTTA MOW IT.
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Post by dirtyGQ »

Seems that the do wear badly and a reco is a bit of a waste of time, the housing needs full replacement when worn (quite common) and most times a new pump is what is needed,
THE GRASS MAY BE GREENER ON THE OTHER SIDE BUT YOU STILL GOTTA MOW IT.
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Post by Dzltec »

It can be done in steps. Make a decision when its time, fitting a boost compensater is the right thing to do when removing the pump. Yes things wear with age, remember that the only thing that goes through a pump is fuel, its life expectancy is determibned by the cleanliness and quality of fuel.


Andy
www.diesel-tec.com.au Ph 03 9739 5031
Ball bearing turbo upgrades for factory turbo vehicles. Got a diesel question just ask.
Home of the twin turbo shorty and many 150rwkw+ patrols.
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