few q's servicing and extractors upgrades etc 97 hilux help appreciated

Submitted: Sunday, May 16, 2010 at 19:45
ThreadID: 78522 Views:5916 Replies:9 FollowUps:3
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Gday there 1st post here so bear with me;)

recently brought a 97 diesel hilux 2.8ltr with 175,000kms on the clock.

Just changed oil (20w-60w) oil filter, flushed radiator with treatment and water and put new coolant in cleaned air filter.

question is what can i do to help prolong engine life and smooth running ?? will those green uni filters or pod filters be worth while to help car breath a bit better ?? extractors - 4 fuel economy and little performance ? will this help given its age and kms?? or just add stress to engine ??

also are there any traditional so to speak problems with this model

sorry bout all the questions but new and excited about 4wd trips and dont want car to die on me !!

appreciate all the help i can get

cheers
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Reply By: Member - DAZA (QLD) - Sunday, May 16, 2010 at 20:13

Sunday, May 16, 2010 at 20:13
I had a 97 Hylux 2.8 diesel, traybody with canopy, we used it in our plumbing business and also did a lot of beach fishing and towing heavy loads ect, never ever had any problems with it, we had it serviced every 5000ks, your vehicle has not got a lot of ks 175000 is not much for a diesel motor as long as it has been looked after.

PS. we didn't stuff around trying to improve the motor re extractor ect, and fuel economy was excellent.

Cheers
AnswerID: 416942

Reply By: Member - Toyocrusa (NSW) - Sunday, May 16, 2010 at 20:16

Sunday, May 16, 2010 at 20:16
Hi luxyboy. Leave your engine as standard as possible and with routine maintenance it will go for ever. Standard air filter is the most efficient. Change the fuel filter but read up on how to bleed it if you don't know already. I would look at changeing and checking all transmission oils for excesive metal,( you may get a little stuck to magnetic drain plugs) and water. There are two diffs, transfer case and manual transmission oils. If you intend deep water crossings maybe fit a snorkel and extended breather hoses for the driveline components. Check and lubricate drive shafts and uni joints and then enjoy your vehicle. Regards, Bob

AnswerID: 416943

Reply By: Madfisher - Sunday, May 16, 2010 at 20:50

Sunday, May 16, 2010 at 20:50
Forget about pod filters, BUT extractors and a 2.5in exhaust will help performance and help engine life as it reduces the amount of soot geting into the oil. Will make about half a gear diff on hills. Two of my mates done theirs years ago and both reckon it was worth it,and it will help reduce smoke.
Thats low ks for a 97 model, their good for 400000ks if well serviced, one of the tricks to long engine life is to change the oil every 4000ks, as they are bad for sooting the engine oil up, which can even block oil galleries if bad enough. Although this problem was more common in high atitude cold areas eg Cooma, Orange, Oberon etc.
Good luck with it
Cheers Pete
AnswerID: 416949

Reply By: nomadoz - Sunday, May 16, 2010 at 22:13

Sunday, May 16, 2010 at 22:13
Luxyboy
Any reason why put 20/60 oil? A bit too high numbers for me.

If you in Darwin you can have a fuel filter for free

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AnswerID: 416958

Reply By: luxyboy - Monday, May 17, 2010 at 07:42

Monday, May 17, 2010 at 07:42
wow !! thx fellas for the quick responses obviously alot of pationate 4wd 'ers out there ...

ok so looks like i might just leave standard and with regular sericing should be fine ... im a handyman /carpenter so its only ever going to have minor loads tow the boat and a bit of beach 4wd ...

mine is also the tray back nice solid steel tray ...

will be greasing all drivetrain nips etc this weekend and steering components etc ( i think thats right - has a diagram of where/how to do on sunviser)

another question regarding tyres it has these skinny ones on atm id say ive only got about 2-4 months left on them .. wont be doing all that much off road driving just yet but will be a few times a year eg easter hols, xmas and the odd w/end away etc what do you guys suggest tyre wise ?? im assuming an AT tyre ?
ute has (as its a leaf jobbie) suspension wise 8 in rear and 5 in front and has a 2 inch lift on it hope this helps with your tyre suggestions

thanks again your help is appreciated ;)
AnswerID: 416969

Follow Up By: Member - Scooby (WA) - Monday, May 17, 2010 at 09:35

Monday, May 17, 2010 at 09:35
Hi Luxyboy,
I have a 3 litre Hilux (same motor, slightly larger bore) and this is what I have found. As others have said, regular oil and filter changes every 5000k (I use Caltex Dello 400 15w/40 which is an excellent diesel oil. 20/60 grade oil is not recomended in a Hilux), grease drive shafts and front suspension with Moly grease. I use a foam Unifilter which I oil regularly. Paper elements are meant to be better but I have not found this to be the case. Changing to A/T LT tyres is a good move. I changed to larger diameter 31" tyres, this is great for extra clearance under the diff but reduces power and braking, something you cannot afford with a Hilux.
Regards
Scooby
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FollowupID: 687080

Reply By: luxyboy - Monday, May 17, 2010 at 07:46

Monday, May 17, 2010 at 07:46
hey toyocrusa is it simple enough to change the diff and drivetrain oild by myself never done this b4 , as mentioned earlier normally service car myself so have some mechanical knowledge , any tips ??

cheers thx again to you and the others 4 the informative replies
AnswerID: 416970

Reply By: trainslux - Monday, May 17, 2010 at 10:31

Monday, May 17, 2010 at 10:31
As already mentioned, service it regularly, and use a 15/ 40 oil, the 20 60 is too thick.
I have extractors, and have found that i lost some low down torque, but it breathes a little bit better, but not much.
Found the best performance increase was fitting a snorkle.
We get around 9.5lts/ 100kms around town.

Have used foam unifilters before, but have decided to use the toyota genuine ones, as they have far more filter media than ryco.
Have taken them apart and checked side by side, also check my oil filters the same way, and its genuine toyota there too.
buy in lots of 10 and there 15 bucks, air filter at 50 is not that much more than a ryco one now too, and far better filtration.

Re tyres, stick with the 30" size, going up to 31" will affect your fuel burn, and performance, you get better fuel burn and performance with the standard sized tyres.

When I first got my lux, the oil was like thick set honey, ie turn the jar upside down, and it just starts to ooze down the side of the jar, but slowly.

I changed the oil, and ran it for a few hrs, changed it and ran for the next day, then changed it at the end of that day, ran another day and changed it again, then changed it at the end of the weeks driving, then another one at the end of the month.

This cleaned out the soot build up that the oil deposits there when it becomes saturated, and allowed the detergents in the oil to do their job.

First few changes it was lumpy and thick, now its still clearish by 1000kms running with only the soot created by combustion discolouring the oil.
Previous owner didnt use diesel oil in it either, but by cleaning out the motor like that, Im sure I saved myself a spun bearing or blocked up gallery, it must have been so close.

Do NOT use kero, or diesel in the oil to flush it, this reduced the lubricity of the oil dramatically, and will damage your big ends.
Just invest into a 20lt drum of oil and some filters and let it do its job.

I found that it took about 8000kms of running for the oil to really clean out the oil rings, and stop burning oil, it used about 1lt/ 5000km, for the first 10k or so, now its not using any.

Just a few things that i hope help with your investment.

Trains

AnswerID: 416989

Reply By: luxyboy - Monday, May 17, 2010 at 16:10

Monday, May 17, 2010 at 16:10
cheers guys great info here !! was going to give another oil change round the 2500km mark b4 i do this was going to stick some diesel engine cleaner in ( just super cheap auto stuff ) into it and run b4 i drain it and replace filter and oil, do u suggest i use this diesel engine engine cleaner ??? now on every1's advice will run the 15w-40w when i do this , diesel oil of course. doing greaseing tomorrow didnt have time today dad has some break grease can i use this ?? or stop being a tight a$$ and by the moly stuff ... also how much is enough when pumping it ?? from memory i think its when it starts squirting out side of nipple ??

any info on changing diff oil at all ??

im glad i came to this site great info and friendly people ;)
AnswerID: 417017

Follow Up By: splits - Monday, May 17, 2010 at 17:32

Monday, May 17, 2010 at 17:32
You will make the whole job 100% easier if you buy a workshop manual first before you get too far into it. I would encourage anyone to do as much work as possible on their own car. It can be very satisfying and you will save a fortune over the years but you must know what you are doing. Cars are easy to work on but they are also far too easy to stuff up. A simple thing like greasing for example is not always as straight forward as it looks. You car uses two different types of grease just in your front driveshaft alone. A molybdenum disulphide grease is used in the double carden joint while a lithium based chassis grease is used for the rollers in the uni joints. I use two grease guns on my Hilux because of this. It saves stuffing around changing grease in a single gun.

You will find as you work through the book, you will soon realise there is more often than not a bit more to the design of a part or the servicing of it than initially meets the eye.

The best thing to do is to start by reading through the servicing schedules first. You then decide what you want to do then follow the relevant section covering it step by step as you go through it.

Don't forget to pay particular attention to things like recommended lubricants, type of brake fluid, cooling liquid specifications etc. It will all pay off big time in the long term life and reliability of your car if you do.
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FollowupID: 687124

Follow Up By: trainslux - Monday, May 17, 2010 at 20:52

Monday, May 17, 2010 at 20:52
If it was my vehicle, I would not be adding in those oil flushes, but letting the detergents in the diesel oil do their job.
Diesel motors run very high compression, more pressure than wide open throttle of a petrol motor, and all the engine flush additives ive come across say to gently run the motor.

And the rest of the advice above is excellent too, get a manual, and read up on it.
Ive always run moly grease in unis with no problems. Might look into the lithium grease, but the moly specs say that its fine to use in unis on the lubricants chart, might have another look at it.


Trains
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FollowupID: 687164

Reply By: luxyboy - Wednesday, May 19, 2010 at 15:02

Wednesday, May 19, 2010 at 15:02
spoke to toyota bout manual they actually want me to get a stat dek signed to say ive never had 1 and then they send that to toyota , bit of stuffing around if you ask me a stat dek just 4 a flippin manual, anyway oh and $68.00 fee too !!!! wtf !!!! gotta do it i guess if i want it ........

spoke to diesel mechanic down the road hes going to put ute up on hoist and do all greasing for 50 bucks !!! i say money well spent

thanks to every1 for there great responses appreciate the help
AnswerID: 417263

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