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i need help asap no oil pressure ITS ALL GOOD NOW THANKS.

Tech Talk for Rover owners.

Moderator: Micka

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i need help asap no oil pressure ITS ALL GOOD NOW THANKS.

Post by mick&shon »

a hour ago i was driving home after just purchasing a 86 rangie 4.4L when oil pressure light came on so i stopped and checked oil it was fine but when i started again it had a slight rattle (tappet) so i shut it down again any way each time i started it the sound increased until the last time it started to miss ............could this be the oil pump now it wont start sounds like the valves arent opening any ideas and would anyone have a diagram of a oil pump. im still 250ks from home !!!!!!!!!!
cheers mick
Last edited by mick&shon on Mon Feb 08, 2010 11:30 am, edited 1 time in total.
85 rangie 3.9i,disco5sp,4'' lift,80series rear, gq front, 33mtz
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Post by THE 109 »

Mick,
Check the pressure relief valve isn't jammed open,it's a known problem with the rover V8's that I know of.It's the large hex plug near the oil filter,remove that and check the plunger is free in the bore.
Cheers Eric
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Post by mick&shon »

Thanks Eric. It's not the plunger, pulled pump apart, turned motor by hand, gear not driving.
Cheers
Mick
85 rangie 3.9i,disco5sp,4'' lift,80series rear, gq front, 33mtz
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Post by Loanrangie »

mick&shon wrote:Thanks Eric. It's not the plunger, pulled pump apart, turned motor by hand, gear not driving.
Cheers
Mick
I would say that the oil pump drive gear on the dizzy is either busted or was never aligned properly. Could also be timing chain/ gear and camshaft related.
Saddle up tonto, its the not so loanrangie! . 98 TDI DISCO lightly modded with more to come.
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Post by THE 109 »

Have you pulled the dizzy out to check what's happening?
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Post by mick&shon »

hey fellas i got it fixed it was the tag that drives the oil pump on bottom of dizzy because it was a holden dizzy they used a hacksaw to make new end and it was thin i meant the thickness of a 20c piece.but all good now i thank all for responding
cheers mick :)
85 rangie 3.9i,disco5sp,4'' lift,80series rear, gq front, 33mtz
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