It’s Wrenching Wednesday! Let’s Talk About What Ails Your Rides Right Now

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Meteorological summer is here, which means it’s car season across all fifty states and Canada. The fun cars are out, the meets are meeting, the shows are showing, the trackdays are tracking, and all is well. Well, most is well. Maintenance is a continuous process, and while I hope that most of our rides are functional, there’s a chance some of them might not be optimal.

Admittedly, I have stuff I’m putting off. I still need to book the 325i into an exhaust shop (was going to DIY but air chisel access is, uhh, not good), but I’m hoping I can coordinate that with a press car loan so I can hit two birds with one stone and line up a way home. As for the Boxster, I need to order the hinge repair kit for the center console oddments box, for it’s been bodged for years. Still, minor stuff in the grand scheme of things, and that means I have time to help.

Maybe your depreciated German McBling shitbox is making an odd vibration, or your Japanese beer can requires an obscure part, or your older American iron needs its headliner redone. Share what’s ailing your vehicles, for an extra brain can offer a different perspective.

325i Fog

So bring out your BMW hex codes, your Mercedes problems, your strange symptoms, and your NLA part numbers. I’m not a mechanic, but with a lifetime around the automotive industry and a healthy few years working backend, I’ll do my best to help in the comments below.

(Photo credits: Thomas Hundal)

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71 thoughts on “It’s Wrenching Wednesday! Let’s Talk About What Ails Your Rides Right Now

  1. I just finished up lifting my project Explorer, but the AC condenser is plugged, so no A/C in the summer heat, and the valve covers and rear main seal are leaking pretty badly.

    My 20 year old Lexus has finally sprung a leak in the factory rear air bags, so I need to either replace them or bite the bullet and convert them to rear springs (I love the adjustable rear height for hooking up my trailer).

      1. Internal clog, unfortunately. The system has obviously been cracked open before and likely wasn’t vacuumed down before freon was re-added, so I’m guessing I will find a ton of junk inside when I pull the system apart. I have a new condenser, compressor, evaporator, and orifice tube ready to go in after I have what freon is left recovered.

  2. The Mercedes is nearly due for a B Service
    As we’re within breathing distance of 119K, and I’ve had to top up the oil wire twice since first of the year – I’m planning on a big bill (which will offset the small bill last year)

    Yet the only thing that’s not working properly are the door sensors allowing me to reliably lower/raise the roof & windows using the remote key from outside the car. I can live without that.

    Cosmetically, the wheels need refinishing due to curb rash, the bumpers need refinishing due to minor scrapes, and the carpets & seatbelts need a shampoo.

  3. The Mercedes is nearly due for a B Service
    As we’re within breathing distance of 119K, and I’ve had to top up the oil wire twice since first of the year – I’m planning on a big bill (which will offset the small bill last year)

    Yet the only thing that’s not working properly are the door sensors allowing me to reliably lower/raise the roof & windows using the remote key from outside the car. I can live without that.

    Cosmetically, the wheels need refinishing due to curb rash, the bumpers need refinishing due to minor scrapes, and the carpets & seatbelts need a shampoo.

  4. My Ducati needs a fork seal and I don’t want to do it because I don’t have a bike lift but it seems all the bike shops and dealers back in my smaller hometown I moved too are afraid of Ducatis so I’m gonna have to take it out of town or do it myself, bleh.

  5. My Ducati needs a fork seal and I don’t want to do it because I don’t have a bike lift but it seems all the bike shops and dealers back in my smaller hometown I moved too are afraid of Ducatis so I’m gonna have to take it out of town or do it myself, bleh.

  6. The carburetor on my MGB. Thought I had my first one rebuilt fine, but it wouldn’t restart after a short drive and fill up at the gas station. It restarts fine after sitting. I bought another used one and rebuilt it and it’s going straight to WOT. Looking at it now, I think the throttle return spring broke after reinstalling it on the car but it’s in the low 90’s with high humidity all week, so I’m not motivated to work on it. I’ll have to pull it off the car again to fix it though.

  7. The carburetor on my MGB. Thought I had my first one rebuilt fine, but it wouldn’t restart after a short drive and fill up at the gas station. It restarts fine after sitting. I bought another used one and rebuilt it and it’s going straight to WOT. Looking at it now, I think the throttle return spring broke after reinstalling it on the car but it’s in the low 90’s with high humidity all week, so I’m not motivated to work on it. I’ll have to pull it off the car again to fix it though.

    1. I hear ya. There is a stockpile of stuff in the shop, and each item is part of a specific vision (i.e. part of a three-quarter-baked idea).

      The clock and the calendar are just bastards. Wish I didn’t need to sleep – that would help.

      1. Glad to hear I’m not the only one.
        I have a couple of boxes of stuff, one with many small bits for different projects, each gotten for a specific plan; an idea, an upgrade, a fix… but there they sit, waiting for “one day”.

        1. I saw that, but I originally thought that the Cost must be rolled into the Ugh score somehow, like an overall summary metric. But I see now that Ugh, and Cost, are to be assessed separately.

          1. Yeah. Sometimes items get manually pulled to the top of the list based on “I have these parts/I can afford to tackle this now.” Still, uh, the balding tires on the Lancer are getting kinda dire. Oof.

      1. Ugh is just a sum of the numbers from each column. I needed some way to rank things because the to-do lists have grown out of hand, so the Ugh Score is it.

    1. I hear ya. There is a stockpile of stuff in the shop, and each item is part of a specific vision (i.e. part of a three-quarter-baked idea).

      The clock and the calendar are just bastards. Wish I didn’t need to sleep – that would help.

      1. Glad to hear I’m not the only one.
        I have a couple of boxes of stuff, one with many small bits for different projects, each gotten for a specific plan; an idea, an upgrade, a fix… but there they sit, waiting for “one day”.

        1. I saw that, but I originally thought that the Cost must be rolled into the Ugh score somehow, like an overall summary metric. But I see now that Ugh, and Cost, are to be assessed separately.

          1. Yeah. Sometimes items get manually pulled to the top of the list based on “I have these parts/I can afford to tackle this now.” Still, uh, the balding tires on the Lancer are getting kinda dire. Oof.

      1. Ugh is just a sum of the numbers from each column. I needed some way to rank things because the to-do lists have grown out of hand, so the Ugh Score is it.

  8. Nothing, and I have two Audi’s (knocks on wood). Just did pads and rotors on the Q7 all around on father’s day. Parts alone were $2k. The car depreciates, but the maintenance does not. They did last a long time though, it was all OEM stuff I took off from 2017.

  9. Nothing, and I have two Audi’s (knocks on wood). Just did pads and rotors on the Q7 all around on father’s day. Parts alone were $2k. The car depreciates, but the maintenance does not. They did last a long time though, it was all OEM stuff I took off from 2017.

  10. My ordinarily reasonably reliable old Jag has been having a few problems lately. I just got it back from the mechanic because the car had a severe fuel leak and some AC problems. Since “JAG” stands for “just another grand” I should be glad repairs came out to be a lot less than that – $925 (insert sarcasm emoji here)

    However, it still has a power steering fluid leak with the suspected culprit being the power steering reservoir for which the going price seems to be $250 to $300 for the part alone. I may have a few ideas up my sleeve on how to deal with that.

    I also had a fuse blow so badly that it melted into the fuse socket. So I just ordered another fuse box from England and I’ll have to track down what caused the surge before I can replace it. Luckily a pair of fuse boxes was only $90 so that’s not so bad and I’ll have a spare for the other side of the car as well.

    Then there’s the notorious “Bulb Failure Module” problem but that’s virtually every XJ40 on the road and I may still be able to hunt that one down and kill it myself. Also the front passenger seat needs a repair.

  11. My ordinarily reasonably reliable old Jag has been having a few problems lately. I just got it back from the mechanic because the car had a severe fuel leak and some AC problems. Since “JAG” stands for “just another grand” I should be glad repairs came out to be a lot less than that – $925 (insert sarcasm emoji here)

    However, it still has a power steering fluid leak with the suspected culprit being the power steering reservoir for which the going price seems to be $250 to $300 for the part alone. I may have a few ideas up my sleeve on how to deal with that.

    I also had a fuse blow so badly that it melted into the fuse socket. So I just ordered another fuse box from England and I’ll have to track down what caused the surge before I can replace it. Luckily a pair of fuse boxes was only $90 so that’s not so bad and I’ll have a spare for the other side of the car as well.

    Then there’s the notorious “Bulb Failure Module” problem but that’s virtually every XJ40 on the road and I may still be able to hunt that one down and kill it myself. Also the front passenger seat needs a repair.

  12. I did too much sending of my ’99 Corolla at HooptieX Illinois this weekend. All four struts are completely destroyed. Well, the rears were shot beforehand, but I decimated the top mounts of the fronts by doing 27 runs on a 2 + minute long course. The left rear is also showing a lot of camber now. None of the links appear loose or bent, so hopefully when I pull that strut off I’ll find the reason for that. New struts arrive tomorrow.

  13. I did too much sending of my ’99 Corolla at HooptieX Illinois this weekend. All four struts are completely destroyed. Well, the rears were shot beforehand, but I decimated the top mounts of the fronts by doing 27 runs on a 2 + minute long course. The left rear is also showing a lot of camber now. None of the links appear loose or bent, so hopefully when I pull that strut off I’ll find the reason for that. New struts arrive tomorrow.

  14. Crunchy/growly vibrations from BOTH my ’75 CB550 Super Sport Honda, and my ’69 Volvo 1800S. The two-wheel problem I believe is the rear sprocket mount to the rear hub, and the 1800 I swear is an exhaust pipe lightly touching something making a vibration, or the J-type overdrive going bad.

  15. Crunchy/growly vibrations from BOTH my ’75 CB550 Super Sport Honda, and my ’69 Volvo 1800S. The two-wheel problem I believe is the rear sprocket mount to the rear hub, and the 1800 I swear is an exhaust pipe lightly touching something making a vibration, or the J-type overdrive going bad.

  16. I am pretty sure my car needs new wheel bearings on the driver side rear. It starts singing around 40 MPH and above 70 it vibrates. I’m really good at procrastinating but I know I should fix it before something catastrophic happens.

    1. I’m really good at procrastinating but I know I should fix it before something catastrophic happens.

      Don’t beat yourself up for a little delay. Everybody needs to get their bearings before jumping in.

  17. I am pretty sure my car needs new wheel bearings on the driver side rear. It starts singing around 40 MPH and above 70 it vibrates. I’m really good at procrastinating but I know I should fix it before something catastrophic happens.

    1. I’m really good at procrastinating but I know I should fix it before something catastrophic happens.

      Don’t beat yourself up for a little delay. Everybody needs to get their bearings before jumping in.

  18. Besides the entire front end of the Astra sitting in my living room as I’m fixing it (more like cobbling it back together lol), it has slowly developed an exhaust leak that needs to be taken care of again. Last time it happened was pre covid but I’m not too bummed out about it. It’ll give the loud Mustang neighbor some competition in the noise department.

  19. Besides the entire front end of the Astra sitting in my living room as I’m fixing it (more like cobbling it back together lol), it has slowly developed an exhaust leak that needs to be taken care of again. Last time it happened was pre covid but I’m not too bummed out about it. It’ll give the loud Mustang neighbor some competition in the noise department.

  20. My 1948 Willys CJ2a Jeep won’t crank over. I need to check all the wiring before I try to order a new starter for a 76 year old vehicle – these things don’t grow on trees you know!

    1. It’s still possible to buy rebuild kits for some starters. I don’t know about old Jeeps though.
      I rebuilt a 25 year old (new in comparison!) Bosch recently. New brushes, new oiled bronze bearings, cleaned, greased, etc., … worked like new.

  21. My 1948 Willys CJ2a Jeep won’t crank over. I need to check all the wiring before I try to order a new starter for a 76 year old vehicle – these things don’t grow on trees you know!

    1. It’s still possible to buy rebuild kits for some starters. I don’t know about old Jeeps though.
      I rebuilt a 25 year old (new in comparison!) Bosch recently. New brushes, new oiled bronze bearings, cleaned, greased, etc., … worked like new.

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