4.2 motor failure

[Parksy]

How does number 4 con-rod look? A hydraulic lock would surely have bent the rod.

[Stropp]

Bugger mate that's expensive mate but it will be worth it in the end.

[boke]

How does number 4 con-rod look? A hydraulic lock would surely have bent the rod.

Don't know - it's wrapped up to go down to Engineexchange

[Dales300exc]

My money says the bearing has failed and the "cleanliness" has been the piston just touching the head.

[boke]

Got our ute back today
Exchange recond motor , new injectors , injector pump overhauled , turbo overhauled & outlet enlarged to 3" , new clutch , new radiator , new water pump , 3" exhaust , new hoses belts ......
All up $18K ... 2 year , 40K warranty ... could have done it cheaper - but we went for reliability .
No answer to why #4 big end failed

[MudRunnerTD]

Good luck mate, I hope you get another 500,000kms out of it before it shows any signs of being tired

[boke]

When our Patrol was first inspected by mechanic after being trucked back to Mt Magnet , he commented that they had replaced several fuel filters on vehicles that had recently got diesel in one of the servos there - that's why I posted the title ... I left title as it was until something to explain failure comes to light - nothing has ... have asked engine exchange to supply a report on what caused failure of #4 big end ... could be a month .
Interestingly when it first failed on side of hwy - after I checked all fluid ok , I started it - it fired a few times - ran really bad , then stopped . 10 minutes later - another traveller had stopped - so I tried to start it again and it would not turn over - was locked .
The next morning at Mt Magnet - it started first kick & appeared to run well - until driven & bad knock & missing again .

[boke]

Well , we got the ute back two weeks ago ($18K lighter), did 1000kms locally & had the service done , left home wednesday morning with van on - approx 7'c , fine and sunny - all going good - sitting on 85-90 km/h in 4th gear , approx 2400 rpm , as we approached White Wells I noticed temp gauge was at half way ... unusual - my old motor only ever got to half way once=towing van up Horrocks pass on a hot humid day .
Anyway , had morning cuppa and departed - ambient temp now probably 18'c , going up hills temp gauge now goes over half way - slow to 80 km/hr ... on hill near old Mt Gibson gold mine temp now up to 3/4 , turn heater on and slow to 70 km/hr - temp drops once over hills .
No mobile reception .
Make it into Mt Magnet - around to same workshop - everything checks out ok , not losing coolant , fans both ok . Ring engine exchange - they reply that it can't be overheating !!!! Checked thermostat (brand new) - supposed to open at 76'c , seems a little slow - order new thermostat - arrives overnight , fitted - not much change . Engine exchange tell us to bring it back to them , if we keep going we could void warranty ...... No one knows why it is overheating - new radiator (upgraded to copper/brass) new water pump , new belts/hoses etc , inj pp overhauled ......
We are over this year - so going home for good .

[Dales300exc]

That is horrible to hear . Its a shame when you fork out the money to get everything sorted properly the first time and you still have a rough trot. Hopefully its a pump timing issue or something minor and theres not too much more down time.

Best of luck mate.

[89gqpatrol4x4]

I know how you feel mate! You fork out good hard earned money to be "trouble free" and then it still gives you grief! Hang in there hopefully its just something simple and cheap.