Nissan 3.0l Cyl Head Problems

Submitted: Thursday, May 04, 2006 at 18:32
ThreadID: 33534 Views:2020 Replies:3 FollowUps:2
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My series GU series 3 patrol has been diagnosed as having a casting fault in the cylinder head which has resulted in coolant finding its way into no. 4 cylinder. I am now looking at a new head and associated labour costs (still talking to Nissan). I am well aware of the early issues with this engine but have not come across this problem. Has anyone else had similar problems either in or out of warranty? Really keen to hear relevant feedback which might assist my case. If you are a Toyota lover or a Nissan 4.2td driver who "always said these were lousy donks" - you will be excused if you avoid the temptation to respond.

Many thanks for any assistance available.

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Reply By: Mark (Geelong) - Thursday, May 04, 2006 at 19:20

Thursday, May 04, 2006 at 19:20
I had a coolant loss over a period of 12 months and finally a test was done on the cylinder head gasket and a leak was found
Head gasket was replaced after checking head for crack
Problem still existed after trip to mildura and vehicle spent 2 weeks in dealer ship with head being removed twice more

End result was found to be a porous block and Nissan replaced motor with new long motor
Vehicle had done 89000 klm at time and was just over 2 yrs old
I purchaes additional 50k warranty as no warranty was offered on new motor after 10000klm

No more problems since other than leaking radiator last week at 153000klm

Dealer offered a little assistance through Nissan with that issue

Keep up the pressure on your dealer and Nissan
Mark (Geelong)

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AnswerID: 170715

Reply By: Mad Dog (Australia) - Thursday, May 04, 2006 at 19:34

Thursday, May 04, 2006 at 19:34
Numerous casting faults occur during manufacture of heads the odd one may get through the quality checks, you were unlucky to get one. If Nissan have admitted a casting fault then you should be covered.
AnswerID: 170717

Reply By: 120scruiser (NSW) - Thursday, May 04, 2006 at 21:42

Thursday, May 04, 2006 at 21:42
No casting faults but cracked heads around the combustion chamber.
AnswerID: 170769

Follow Up By: brian - Friday, May 05, 2006 at 08:29

Friday, May 05, 2006 at 08:29
my 2000 model 3 litre had the head replaced under warrenty by nissan no problems was told it was porus,started overheating on a trip in victoria,dealer also said these heads are not machineable,cost of the head alone was quoted as around $3000 in about 2001
FollowupID: 426272

Follow Up By: 120scruiser (NSW) - Friday, May 05, 2006 at 09:52

Friday, May 05, 2006 at 09:52
I replaced a head on one in July 2004.
Total cost was around $1800.00 for the head plus fitting.
FollowupID: 426288

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