How should the drive train feel on a Q when say accelerating smoothly from rest to 60 mph.? Mine feels ok but doesn't seem turbine smooth like say a BMW 6 cylinder engine. Maybe it is that I am not used of a V8.
From a mechanical noise and feel point of view I can hear a different pitch when the car is in a lower gear definately a transmission sound (slight whine - not objectionable) and there seems to be a subtle underlying vibration as you accelerate.
Any comments, comparisons you would care to make?
Q45 Drive Train Smoothness
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rover3l
- Posts: 514
- Joined: Sat Oct 11, 2003 3:22 am
- Car: 1998 Q45, 2000Q45 Anniversary, 1965 Rover 3L,
I am re-posting this. I am trying ot understand just how smooth the Q should be. My idle is more or less steady at 550 - 600. I do feel some drive line vibration though when I accelerate. It is generally worse when cold. When cruising there is a subtle vibration I can feel through the seat. Steering wheel doesn't vibrate at all so I am not suspecting wheel balance.
I have carried out a fairly deatled service including plugs, pcv, all fluids, replaced a few suspect hoses.
What do the expert I suggest I look at?
I am assuming, maybe wrongly that the Q45 V8 should be smoother than a six cylinder BMW from a drive train point of view?
I have carried out a fairly deatled service including plugs, pcv, all fluids, replaced a few suspect hoses.
What do the expert I suggest I look at?
I am assuming, maybe wrongly that the Q45 V8 should be smoother than a six cylinder BMW from a drive train point of view?
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rover3l
- Posts: 514
- Joined: Sat Oct 11, 2003 3:22 am
- Car: 1998 Q45, 2000Q45 Anniversary, 1965 Rover 3L,
I have not had the tires balances since I have owned the car about 2 months on the basis that the steering wheel doesn't exhibit any evidence of vibration at speed. Maybe this is a bad assumption and the balance can be out without the classical steering vibration.
No I have not had a power balance done. Assume this would need to be done at a auto shop with a diagnostic unit. Is it worth me carrying out any self diagnostic tests first?
No I have not had a power balance done. Assume this would need to be done at a auto shop with a diagnostic unit. Is it worth me carrying out any self diagnostic tests first?
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rover3l
- Posts: 514
- Joined: Sat Oct 11, 2003 3:22 am
- Car: 1998 Q45, 2000Q45 Anniversary, 1965 Rover 3L,
Having replaced the plugs the idle is rock steady. The vibration is very minor but can be felt on a smooth road at all speeds. I can feel it through the seat when I accelerate. I don't feel this in much cheaper cars like the chrysler concorde. I am suspecting tires, engine transmission mounts or could be related to my active suspension which needs the strut accumulators changing. I am doing this next week assuming my fluid arrives from Scottsdale