Patrol turbo removal

Submitted: Friday, Jan 21, 2005 at 10:06
ThreadID: 19643 Views:1417 Replies:1 FollowUps:5
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Hi, for those that have removed a turbo off the patrol 4.2 diesels can you please tell me if there is a gasket between the mating surfaces. I intend fitting an EGT gauge and would rather fit it before the turbo but am concerned about putting shavings into the duct. If there is no gasket I'm hoping I can simply unbolt it and flex everthing a few mm to slip a sheet of paper between the turbo and manifold and direct the shavings down and out.

What do ya reckon???
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Reply By: Member - Roachie (SA) - Friday, Jan 21, 2005 at 10:22

Friday, Jan 21, 2005 at 10:22
Mate,
I had that done to mine a few months ago by a local mob here: Read's Mechanical in Kadina. It took the bloke a few hours and I reckon he said he had to take the turbo right off.
Maybe you could give them a call on 08 8821 3602 to discuss.......tell em it was the job they did for their bank manager...they'll know!!!
AnswerID: 94229

Follow Up By: Austravel - Friday, Jan 21, 2005 at 10:35

Friday, Jan 21, 2005 at 10:35
Thanks Roachie. I rang them and they were very helpfull. Turns out you can do it like I said but they gave me a couple of good tips. Got me thinking whether I want to do it or not now. He said there is a web/divider inside the duct and it's easy to drill into it, you've got to work out were it is first before you can start drilling. He said it's a very fiddly job so will decide on the weekend, over a drink or two.
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FollowupID: 353224

Follow Up By: Member - Roachie (SA) - Friday, Jan 21, 2005 at 10:51

Friday, Jan 21, 2005 at 10:51
No worries,
Bear in mind also that I have since spoken to a bloke from Denco Diesel in Wagga and he said they ALWAYS mount their EGT thermocouple units in the dump pipe below the turbo. I think he said it has to be 1.5" from the turbo. But that would still be hard to get at without taking the exhaust system off.
Best idea would be to fit a 3" system and new dump pipe and put the thermocouple in before the new system is fitted.
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Follow Up By: Austravel - Friday, Jan 21, 2005 at 11:02

Friday, Jan 21, 2005 at 11:02
That's what I'm doing, fitting the new dump pipe and exhaust tomorrow but thought that the best location is really before the turbo so would put the effort into doing it that way. Will make the final decission tomorrow and depending on anymore feedback I get.
Thanks
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Follow Up By: GUPatrol - Friday, Jan 21, 2005 at 11:13

Friday, Jan 21, 2005 at 11:13
Roachie,
What readings are you getting out of yours and is it a standard tuning?
Will
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FollowupID: 353239

Follow Up By: Member - Roachie (SA) - Monday, Jan 24, 2005 at 23:03

Monday, Jan 24, 2005 at 23:03
G'day Will,
Sorry for delay in responding. Mine has got as high as about 585c going up a long hill out of Adelaide with the camper on the back.
It normally sits around 300c to 450c depending on how hard I'm pushin', headwind, uphill etc etc.
Thermoguard says that 720c is considered "redline" when located on manifold or around 520c if mounted on dump pipe.
Hope this helps.
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FollowupID: 353624

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