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  • Marina Rear Axle Groaning Sounds

    A couple of years ago my rear axle started making a light groaning sound when going around corners slowly. Recently, this week it is a louder and I wasn't sure whether it was the brake shoes binding on the drums or not - but today I looked at & checked them and they're fine. It seems to be worse when the car has been driven some distance and is noticeable when cornering, particularly when slowly turning left. I have the Haynes Marina manual and have checked & it says there are 3 main causes, lack of oil, worn bearings and general wear... I can tackle the first one pretty easily; it wouldn't hurt to replace the oil with new. If that doesn't cure it - the bearings - how easily sourced / replaced are they? Would the noise get progressively louder and louder over the next 2000 miles? It does seem to be more obvious when the car is hot. It might be my imagination, but when I hear the noise and I slow and give the brake pedal a stab, the noise seems to abate somewhat - which is why I was unsure if it was the brakes (new shoes fitted 18mths ago).

  • #2
    Re: Marina Rear Axle Groaning Sounds

    Sounds a bit like a rear wheel bearing to me.

    Or maye bevel gears in the diff worn Peter.
    Last edited by greyV8pete; 14-05-18, 04:23 PM.

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    • #3
      Re: Marina Rear Axle Groaning Sounds

      The wheel bearings maybe worn or possibly moving on the half shaft allowing the brake drum wear edge to scrub against the shoes.

      With the car firmly jacked up and the brakes released get hold of each rear wheel and try pulling it and pushing it, it shouldn't move in and out
      or have any play up and down.

      Replacement bearings and seals are readily available and getting the half shaft out of the axle is straight forward but its best to release the hub nut
      while the assemble is on the car with the brakes on and the wheels on the ground. Then you will need a puller to get the hub off to change the bearing.

      Replacing the bearing involves just pressing/driving it onto the half shaft but it doesn't necessarily go right up to the stop there is a measurement for its
      position and I would suggest using something like "Loctite bearing fit" to ensure the chance of the bearing staying put.
      The other thing to remember is even though the axle is full of oil the bearings sit outside the oil seals and need to be packed with grease when you fit them.

      All this is assuming you have a Marina Saloon rear axle??
      Last edited by b_caswell; 14-05-18, 04:39 PM.
      Ben Caswell probably not the last word on anything here!!

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      • #4
        Re: Marina Rear Axle Groaning Sounds

        If it's a wheel bearing I'm surprised the MOT didn't pick that up..?

        Wheel bearings usually available from eBay...but changing them is fun..!
        You first need to get the hub off...easy with the correct puller not always easy without...removing the bearing from the half-shaft will, almost certainly, require a press.

        Servicing the diff itself is best left to professionals...Rimmers can supply a recon unit (it is a Triumph unit after all) if you are feeling flush, at £400 plus exchange.
        Marlin Roadster, LWB...1860 B Series + Ford Type 9
        Renault Espace 54mm front calipers, vented discs, cycle wings and adjustable tie-bars.

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        • #5
          Re: Marina Rear Axle Groaning Sounds

          All you ever wanted to know about a Marina rear axle is here or there

          Depending on the age of your axle, you could find different oil seal sizes.


          The Haynes manual is not as reliable as the BL manual (similar source)
          Last edited by stevejgreen; 15-05-18, 05:44 AM.
          MOC member since 05/97
          1984 Marlin Roadster SWB.
          1800TC, Unleaded ported head, stage 2 cam. Ford Type 9 gearbox, Dolomite Sprint rear axle fitted with MGF disc brakes.
          Three core radiator, Renault Clio vented front discs.
          The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man.

          Loads of Marlin Reference can be found documents here or there.

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          • #6
            Re: Marina Rear Axle Groaning Sounds

            I owned a Marina many moons ago, the type that was lighter at the end of any journey as bits of body work dropped off.
            I had a noisy diff, and it was as simple as changing the oil.

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            • #7
              Re: Marina Rear Axle Groaning Sounds

              A little more complex than that. Marina Axles don’t have drain plugs, and the half shafts need pulling out, both sides along with brakes etc.
              MOC member since 05/97
              1984 Marlin Roadster SWB.
              1800TC, Unleaded ported head, stage 2 cam. Ford Type 9 gearbox, Dolomite Sprint rear axle fitted with MGF disc brakes.
              Three core radiator, Renault Clio vented front discs.
              The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man.

              Loads of Marlin Reference can be found documents here or there.

              Comment


              • #8
                Re: Marina Rear Axle Groaning Sounds

                I did wonder about the possibility of wheel bearings.. but the haynes manual doesn't even mention them! At least I didn't see any reference to them. It failed the first MOT attempt at one garage & they did mention wheel bearings as an advisory. However a month later the 2nd MOT place didn't - so I figured they were likely fine. However, when I have had a wheel bearing fail in all other cars - it has begun as a drone sound at higher speed and then gradually gets louder and louder. This is perfectly fine until after a run and then only noticeable when driving slowly - at which point it is a 'revolving cyclical' drone sound. Hope it is the wheel bearings as I am confident with that but the axle was out of my league. I'm doing a 200 mile round trip over to Glen Coe tomorrow so I'll see how it fares - or not!

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                • #9
                  Re: Marina Rear Axle Groaning Sounds

                  Originally posted by element View Post
                  I did wonder about the possibility of wheel bearings.. but the haynes manual doesn't even mention them! At least I didn't see any reference to them.
                  Thats why you need several different resources, and it reinforces my comemts.
                  MOC member since 05/97
                  1984 Marlin Roadster SWB.
                  1800TC, Unleaded ported head, stage 2 cam. Ford Type 9 gearbox, Dolomite Sprint rear axle fitted with MGF disc brakes.
                  Three core radiator, Renault Clio vented front discs.
                  The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man.

                  Loads of Marlin Reference can be found documents here or there.

                  Comment


                  • #10
                    Re: Marina Rear Axle Groaning Sounds

                    I had a Marina where one wheel would move out 1/2". The bearing was sliding along the 1/2 shaft ,or vice versa. Bearing lock sorted it for a couple of years till it got scrapped.

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