Engines and Engine Systems
Forest
Senior Member
Posts: 57 Joined: 11 Dec 2019 13:40
Full Name: Neil Crause
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Home Town: Nelspruit
Current 4x4: Nissan Patrol 4.8 grx Land Rover Defender 90 2.8i (sold)
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Post
by Forest » 17 Oct 2020 15:55
I'm busy servicing my patrol 4.8grx. Ive removed the upper collector to access the spark plugs and ive noticed oil in the intake there the collector bolts onto.
I've noticed oil in there... should there be some oil in there or none at all?
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hugejp
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Post
by hugejp » 17 Oct 2020 16:10
If the car is not smoking or using oil I wouldnt be too worried, but it may be caused by an issue with the PCV
Last edited by
hugejp on 17 Oct 2020 22:37, edited 1 time in total.
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hugejp
Patrolman 1000+
Posts: 2053 Joined: 21 Oct 2014 21:01
Full Name: JP Viviers
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Current 4x4: THE PATROL COLLECTION 2004 4.8 GRX TURBO "Tinkerbell" 2003 TD42T GRX "The Coal Roller"
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Post
by hugejp » 17 Oct 2020 16:11
While you are there, you may want to remove that butterly in the intake... the little bolt & nut rattles loose over time & can cause major internal engine damage.
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You CAN with a NISSAN!
Jy KAN met 'n DATSUN!
Forest
Senior Member
Posts: 57 Joined: 11 Dec 2019 13:40
Full Name: Neil Crause
Nickname: Forest
Home Town: Nelspruit
Current 4x4: Nissan Patrol 4.8 grx Land Rover Defender 90 2.8i (sold)
Home Language: English
Has thanked: 19 times
Been thanked: 31 times
Post
by Forest » 17 Oct 2020 16:14
hugejp wrote: If the car is not smoking or using oil I wouldnt be to worried, but it may be caused by an issue with the PCV
No smoking and no oil use so I will check pcv.
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Forest
Senior Member
Posts: 57 Joined: 11 Dec 2019 13:40
Full Name: Neil Crause
Nickname: Forest
Home Town: Nelspruit
Current 4x4: Nissan Patrol 4.8 grx Land Rover Defender 90 2.8i (sold)
Home Language: English
Has thanked: 19 times
Been thanked: 31 times
Post
by Forest » 17 Oct 2020 16:15
hugejp wrote: While you are there, you may want to remove that butterly in the intake... the little bolt & nut rattles loose over time & can cause major internal engine damage.
Do I totally remove the butterfly or just fasten the bolt and replace the butterfly
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hugejp
Patrolman 1000+
Posts: 2053 Joined: 21 Oct 2014 21:01
Full Name: JP Viviers
Nickname: Oupoot
Home Town: JHB
Current 4x4: THE PATROL COLLECTION 2004 4.8 GRX TURBO "Tinkerbell" 2003 TD42T GRX "The Coal Roller"
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Has thanked: 211 times
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Post
by hugejp » 17 Oct 2020 16:19
We just removed the whole thing on my 4.8, its just there to aid on cold starts.
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You CAN with a NISSAN!
Jy KAN met 'n DATSUN!
Forest
Senior Member
Posts: 57 Joined: 11 Dec 2019 13:40
Full Name: Neil Crause
Nickname: Forest
Home Town: Nelspruit
Current 4x4: Nissan Patrol 4.8 grx Land Rover Defender 90 2.8i (sold)
Home Language: English
Has thanked: 19 times
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Post
by Forest » 17 Oct 2020 16:31
hugejp wrote: We just removed the whole thing on my 4.8, its just there to aid on cold starts.
Okay thank you for the info. I will try it
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Forest
Senior Member
Posts: 57 Joined: 11 Dec 2019 13:40
Full Name: Neil Crause
Nickname: Forest
Home Town: Nelspruit
Current 4x4: Nissan Patrol 4.8 grx Land Rover Defender 90 2.8i (sold)
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Has thanked: 19 times
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Post
by Forest » 17 Oct 2020 18:19
Okay so the spark plugs have been changed, engine starts easy and revs up normally. No funny sounds but the check engine light has come on. Nothing seems to be out of place. Double checked all plugs and bolts.
Anything I can check or test?
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Tinus lotz
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Post
by Tinus lotz » 17 Oct 2020 19:06
Have you disconnect the battery for 15min ?
Forest
Senior Member
Posts: 57 Joined: 11 Dec 2019 13:40
Full Name: Neil Crause
Nickname: Forest
Home Town: Nelspruit
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Post
by Forest » 17 Oct 2020 19:09
Tinus lotz wrote: Have you disconnect the battery for 15min ?
Hi Tinus. No i have not tried that yet. Will disconnect the battery tomorrow and continue with the service
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