Rodeo - TF - 2.8L Diesel - Compression Leak, Compression Leak & Over Heating

Submitted: Wednesday, Jun 10, 2009 at 02:53
ThreadID: 69673 Views:6200 Replies:4 FollowUps:1
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I have a 1999 TF Holden Rodeo Crew Cab, 2.8L Turbo Diesel Engine, 5 Speed Manual Transmission in it and several weeks ago it started to blow water out of the radiator.

As time went by, it got worse and I had it checked by my mechanic and both him and myself diagnosed a Blown Head Gasket.

As a result of this, he removed the Head and could not really see where the problem may have been, so he sent it away and had it Crack & Pressure Tested, Faced and they also could not really see where it was blown.

At the same time the Radiator was sent to a specialist and Cleaned.

When it was re-assembled, the Block had been Flushed, Head replaced with New Head Bolts and new VRS Gasket set, a new Water Pump & Thermostat, new Radiator Hoses and the Cooling System Sealed.

When it was started, SAME THING - Bubbles coming up and blowing the water out of the Radiator, which to us indicates that there may be a Compression Leak somewhere.

I have got it booked in to have a Compression test done shortly.

Has anyone else had the same or a similar experience and/or does anyone have any ideas as to what may be the problem and how to fix it?

Regards,

amen_amen_amen
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Reply By: Geoff (Newcastle, NSW) - Wednesday, Jun 10, 2009 at 08:16

Wednesday, Jun 10, 2009 at 08:16
Besides the head, the only other area of the engine exposed to compression and the water jacket are the upper cylinders.

It is possible you have a cracked block.

Was the block checked?

Geoff

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AnswerID: 369259

Follow Up By: amen_amen_amen - Thursday, Jun 11, 2009 at 13:47

Thursday, Jun 11, 2009 at 13:47
No, Geoff but we will be looking into it when the compression test and others get done on Tuesday, 16th June 2009.

Adrian.
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FollowupID: 636920

Reply By: Member - ranger1 - Wednesday, Jun 10, 2009 at 09:28

Wednesday, Jun 10, 2009 at 09:28
I had a rodeo work vehicle back in 2004, it was the 2.8TD, after 40,000kms, I noticed some issues with the motor.

Not the same fault as yours but I caught it early due to noticing a slight change in its performence.

Took it to Holden and they found the block had cracked, advised it was a casting fault and replaced the motor under warranty.

Agree that if the head has been checked along with the cooling compnents then the fault must be due to compression leaking.

Also suppose that the mechanic done a gas test to diagnose the head gasket using the radiator???
AnswerID: 369271

Reply By: Member - Matt (Perth-WA) - Wednesday, Jun 10, 2009 at 14:52

Wednesday, Jun 10, 2009 at 14:52
Get your mechanic to do the HC meter test in the Radiator, this will tell you straight away if the pressure is combustion pressure.

Its a long shot but if there are no HCs in the coolant you may be getting pressure from the Turbo cooling system. Not common but possible.

Keep us informed.

Matt.
AnswerID: 369319

Reply By: amen_amen_amen - Thursday, Jun 11, 2009 at 13:58

Thursday, Jun 11, 2009 at 13:58
Hi,

I will be having a compression test and others done on Tuesday, 16th June 2009 and when I know more about the problem, I will inform you.

Adrian.
AnswerID: 369508

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