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24th November 2018, 09:23 | #1 |
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Rover 75 saloon Join Date: Nov 2018
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75 KV6 2.5 Engine replacement
Hello All,
I'm almost as new to big Rovers as I am to this group so thanks in advance for any help. I am in Mallorca and I recently bought a pretty mint non running 75 2.5 Club automatic. I was told that the engine is shot and it does not turn. Upon cranking, it makes a sound like a shot starter motor. I notice that when someone attempts to start the car, slight movement can be felt at the alternator belt. This belt looks very cracked and degraded so I assume that one of the cam belts has probably parted. I have a replacement low milage ZS KV6 on its way down to Mallorca from the UK. Its out of a manual car, however. I assume that I can just remove the torque converter from my car and fit it to the replacement engine. My questions are then:
Many thanks in advance for any helpful input. Mark |
24th November 2018, 09:51 | #2 |
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Rover 75 2.5 auto Saloon Join Date: Jun 2007
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Wow, that brings back memories.
All existing electrics/harnesses used, watch out for crank sensor it was in a different position on the manual if I remember correctly. long time ago now but yes flywheel off, ring gear plate on. The torque converter stays in the gearbox bell and bolts up to the ring gear plate when the engine was in place, it only goes on in one position as the bolt pattern is not even. Check the sump is the same. I think the fitting for the lower engine mount was different. Dave...
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24th November 2018, 10:00 | #3 |
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Thats a good start!
Thanks Dave, I read a few of your posts and had hoped that you'd reply.
So if I understand, I need to take off everything that was connected to the cars loom that I find on the original engine and refit them on the replacement engine? The sump is different because it has the engine mount fitted to it? Crank position sensor - that should be pretty self explanatory. I saw one of your post pictures that had the front panels removed. I'm not with the car right now but thats the standard way to go about the job? Looks very tight in there. Seriously, thanks a lot! |
24th November 2018, 10:11 | #4 |
Premium Trader
75 CDT Tourer,2.5 Launch Saloon, Omipro MG/Rover (T4) Join Date: Jul 2007
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It certainly does Dave, I remember getting the engine out of the ZS very well
IIRC the rear engine mount was indeed different but I seem to remember it wasn't too much of a problem, think you fitted a different length bolt and a small spacer Russ
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24th November 2018, 12:05 | #5 |
I really should get out more.......
P6B, L550, Imp, F56, Commando Join Date: Nov 2006
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Depending on the age of the KV6 engines:
1. You may find that the large alloy front timing cover may need to be changed out to be able to fit the 3 bolt mounting for your power steering pump. 2. The front and rear camshaft covers may need to be changed due to different mounting points for the coils. If you need to do this it is a good chance to clean the engine breathers out as most will be gummed up. Also for consideration: Change out the thermostat plastic pipes for new, ensure seats for o-ring landing area are smooth and clean and suitable for an o-ring to seal upon with no craters etc, and use molykote silicon grease on all o-ring surfaces upon fitting. Retorque the inlet manifold gaskets after some miles as over the engines life they begin to weep due to settlement. |
24th November 2018, 12:17 | #6 |
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Long term reliability
Thanks chaps, all input is welcome. I only want to do this job once so I shall look carefully at everything. People seem to change the water pumps and tensioners with the belts? Stretch bolts here and there too. If the belts look slightly suspect, the water pump will get done too. Spending can spiral out of control. Whats prudent? I intend to keep the care for quite a while.
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24th November 2018, 12:25 | #7 | |
I really should get out more.......
P6B, L550, Imp, F56, Commando Join Date: Nov 2006
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Quote:
You can get complete INA timing belt kit at reasonable €110. This kit is original parts without the MGRover lable.. buy a genuine water pump from Rimmer bros which is not too expensive, and patch set screws for the pump too, or ensure you use Honda bond or similar (not silicone) sealer on the water pump screws. However if I were you I would be following SD1too advice and doing a little more fault finding first. |
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24th November 2018, 09:58 | #8 | |||
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Rover 75 2.5 Connoisseur Auto (1999) Dealer launch model. Join Date: Mar 2007
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Hello Mark and to the club.
Here are some lessons i have learnt over a lifetime of doing my own car maintenance (including modification in my younger days ): Don't automatically believe what you're told, particularly in those terms which suggest that the speaker hasn't a clue what is wrong! Quote:
Quote:
Quote:
Simon
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