Hard to get motivated

"HoustonRunner" (houstonrunner) 04/19/2020 at 16:24 • Filed to: None

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I’m finding it hard to get motivated to do much on the E28. It runs well, and there aren’t any glaring needs.

On the list of things I should do:

-Oxygen sensor. Pretty sure mine is not good.

-Rear differential. I’m about 75% sure that is the cause of the speed dependent whine from the rear of the vehicle. It is a 3.25 non-LS. I’m thinking about getting a lower LS one to get a bit more oomph off the line. Also in looking at it this morning it appears to be a leak, though there are no drops on the floor at all.

-Trunk gasket. It leaks by the rear window on the passenger side. I don’t drive it in the rain though.

-Windshield washers. The wipers don’t work, but the washers don’t. Haven’t troubleshooted (troubleshot?) that yet to determine the issue.

-Bumpers. Would really like euro style ones, but the diving board are growing on me.

-I still need to track down the issue with the auxiliary fan not turning on when the AC is on.

-Radio antenna from yesterday’s post.

-Random surface.

But honestly, not much else.

I may go ahead and do an transmission fluid and filter replacement on the Suburban, it is over 100k miles and probably hasn’t been done.

Demon-Xanth knows how to operate a street. > HoustonRunner 04/19/2020 at 16:56

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Check the fluid level of the diff as well as feel for play in the pinion bearing.

gettingoldercarguy > HoustonRunner 04/19/2020 at 16:57

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Watch some project binky for motivation.  Car stuff like that always does it for me.  YouTube videos of people doing the same repair job helps too.

HoustonRunner > gettingoldercarguy 04/19/2020 at 17:02

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Will do.

HoustonRunner > Demon-Xanth knows how to operate a street. 04/19/2020 at 17:03

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I replaced the fluid after I got it, so unless it leaks only when driving it would be hard for it to be low.  How do I check for play in the pinion bearing?

Demon-Xanth knows how to operate a street. > HoustonRunner 04/19/2020 at 18:14

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Literally grab the driveshaft where it enters the differential and try to move it. And yes, it can leak out the seals while in motion.

PyramidHat > HoustonRunner 04/19/2020 at 18:56

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Do you have any info on whether LSD was an option, or standard after a certain year? Trying to figure it out for the Z3, but the more I read, the less clear it is.

I also have a washer pump issue.   I’m told it may be a relay behind the glovebox....so I’m avoiding doing that.  

HoustonRunner > PyramidHat 04/19/2020 at 20:08

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For me mye28.com is a great resource, not sure if there is something similar for Z3.  The link below actually has some Z3 related info.

http://www.mye28.com/viewtopic.php?f=9&t=44635

Longtime Lurker > HoustonRunner 04/20/2020 at 20:55

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I replaced the fluid last year, know I need to do the axle seals. Not looking forward to it.