Quite a few of the other tab washers look like they have 'opened up' or weren't bent over at some stage. I've had the car 23 years and no one has been inside the diff in that time. I have no experience with differentials. Does this look like I should change the diff for an unknown second hand...
Oh dear. I don't think the backlash matters now. I was investigating a big oil leak and found 2 U/Js were very stiff / seized and I guess that's set up vibration that has cracked the diff case.
Hi, I've just taken the driveshafts out of my 3500 (I'm going to changing the U/Js) and I'm surprised that I can turn the inner driveshaft about 10mm before the other one begins to move. This feels like a lot of backlash in the diff and it clonks. Is this a normal amount of 'slop'? Thanks. James.
I've been thinking about what Ron said about the straight impeller pumps working fine and that there must be something else wrong. Looking carefully at the first picture I can see that the impeller is pushed much farther on to the drive shaft on the new pump. I've taken a second picture to make...
Problem is solved. As a temporary measure I've re-fitted the old pump again and cooling is back to normal again. The symptoms were caused by poor flow. I did discuss the straight impeller pump with 2 mechanical engineers at work who both said it would be much less efficient than the original...
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