It’s Wrenching Wednesday! What Car Problems Are Not Worth Fixing?

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Wrenching can be a cathartic exercise. There’s something about fixing something with your own two hands that always feels so good. The gratification is even greater if doing the job yourself saves you a bunch of money. Other times, something breaks on your car and you just can’t be bothered to do anything about it. Look, maybe you live someplace where it gets warm only three months out of the year, so that non-functional air-conditioner doesn’t need to be fixed. What car problems are not worth fixing?

Admittedly, most of my cars currently have at least one thing wrong with them. That’s part of my secret to getting cars cheap. I look for the ones that still run and drive but have an issue the seller didn’t want to fix. Often, the issue is as simple as an air-conditioner that doesn’t work. I bring the car home, charge the air-conditioning system, and enjoy my ice-cold air.

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Now, some of my cars, like the two BMWs I purchased from The Bishop, require an air-conditioning charge every year or so. The Bishop informed me that he charged those same BMWs every year, so there isn’t anything new happening. Obviously, these cars have leaks in their air-conditioning systems, but Bishop wasn’t in a rush to find and repair them. I’m not, either. For now, the once-a-year charge is ok by me. Is that bad? Probably.

One of my Smarts has a seized air-conditioner compressor. I cut the compressor’s belt off and left it as-is. Maybe one day I’ll replace the compressor, but the car gets driven only during the summer, and usually on days when opening a window is just fine.

Perhaps the worst car problem I haven’t fixed is a transmission issue with one of my Volkswagens. My 2005 Volkswagen Touareg VR6 has a worn transmission valve body. This results in undesired shifting behavior when I’m hard on the throttle. The Aisin six-speed automatic shifts fine through all but two gears. If I’m hard on the throttle when the transmission attempts to shift into third, the engine’s RPM will spike high before the gear engages with a violent clunk. Shifts into fifth under heavy throttle also cause the engine’s RPM to flare, but the transmission catches and shifts into fifth smoothly.

The only true fix to this problem would be a new or remanufactured transmission valve body. However, the Touareg is a beater in every sense of the word. This thing has worn shocks, a failed headliner, water leaks, body damage, rust holes, finicky electronics, and a dying alarm system. A bad transmission valve body is the least of its worries.

Instead, I employed two bodge fixes. One was Lubegard, which a VW mechanic described to me as one of those “transmission rebuild in a bottle” things. The Lubegard made a noticeable improvement in shifting behavior, but it didn’t fix the problem. I also just make sure to let off the throttle during the 2-3 shift and the 4-5 shift. I’ve driven the Touareg like this for 15,000 miles, and somehow, it hasn’t gotten any worse. Fixing the transmission valve body is at the bottom of my to-do list. Maybe one day, but as of right now, I’m not very concerned.

So, how about you? Is there a car problem that you just can’t be bothered to fix? Does your car have a perpetual check engine light, but the problem is so minor that you just don’t care?

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56 thoughts on “It’s Wrenching Wednesday! What Car Problems Are Not Worth Fixing?

  1. I’ve got a black 98’ Ranger that I wash and wax on the regular.
    It’s body is well worn with dings and dents, like a work truck should be. Still looks great on a cloudy day though.

    Got a forest green 99’ Prizm that gets the same treatment. Though, as a city street parked daily, probably doesn’t deserve it.

    I can’t be bothered to deal with the inevitable bumper rash of either.

    Like a scarred urban coyote, I accept the bumper dings and flaking paint on the belt line of my vehicles as an obvious consequence of a hard life.

    One of my fondest memories of my mostly absent father was him buying the first new car our family ever had.
    He parked it in the driveway, got out and purposefully scratched the door with the key.

    “So I don’t have to worry about it getting scratched.”

    That’s always stuck with me.
    Wash it, wax it, maintain it.

    But don’t for a second worry about it like it’s as important as life itself.

    Dings and dents happen. Just don’t let them turn to rust!

    1. That’s the way to be.

      I used to be paranoid about that stuff, esp. when I got my first new car. But now, after years of living in cities, parking on streets/in crowded garages, I just don’t worry anymore. Like you say, maintain, but don’t stress.

      In fact, I enjoy my imperfect repair efforts. Last year, I mostly removed a parking lot dent from my Focus’ door…there’s still a small crease I couldn’t get out, but it’s just part of who she is now. What it reminds me of is how much worse it looked when it happened, and that I put in a lot of effort to get her looking as good as she does. Makes me happy.

      Besides, a big part of what makes Boba Fett so cool is that his armor isn’t shiny and new, it’s dented and scratched. He’s not just sitting around.

    2. I admit I’m a little on the anal side when it comes to my car, but I live in suburbia where city parking bumps and scrapes don’t apply. My car was hail damaged a few years ago, and the guy was nice enough to pull all the door dings on the Sportwagen. So now I always park at the back of parking lots. That said, it was a NYC car before I got it so there’s some scuffs and touch ups on the bumpers. Honestly, I’m not mad about that…like you said, a little bit of imperfection takes some of the stress out.

  2. Electrical trunk pull-down on my 1990 Cadillac Fleetwood. This is a dumb feature in every car that has it and I was happy when it broke. Same for the “soft close” passenger door on my 2002 Mercedes S430. People like slamming doors and trunks!!! Why have an electrical thing that might break to move a door 1/99th of the way closed??????

  3. Wife’s G37 has some background LEDs out in the instrument cluster. After a Google search there’s no way I’m taking that thing out and desoldering tiny LEDs on a delicate circuit board. I told her to memorize where everything is during the day.

  4. My Ranger has no door switches, so, no interior lights and the “door ajar” light on the dash is always on. On this body style, they’re inside the door, not worth fixing on a 280k mile, 26 yr old truck… Most of the dash lights work, and my phone has a flashlight.

  5. The odometer and speedometer on my ’91 F350 stopped working. Consulting Prf Google reveals it to be a wire buried that also affects the interior light. Getting to it was one challenge and figuring out where the actual problem would be even more challenging. I ignored it for months. It started working again with zero intervention on my part. If it happens again, I’ll do the same. Ignore it.

  6. Two pretty trivial admissions for me.

    I never reset the clock when switching between daylight savings and standard. Somehow a little mental math once in a while is easier that reaching for that button. Beside, when I use carplay, the correct time shows up there anyway.

    More egregious. When I switch between winter rubber and summer, I never (used to) bother to reset the TPMS. I guess I never really believed in it’s effectiveness. I do a walk around at least once a week and pull my gauge out when I fill up and have simply trusted that. (yeah I’m fun at parties). I have just always left it in winter mode since rapid temperature fluctuation more commonly causes pressure loss.

    Last spring I put the summers on and left the little icon glowing on the dash. Why waste my time stabbing the touchscreen like three times? What am I a slave to this car? I had the car in for it’s regular service and when I got it back, I noticed the mechanic had updated it. Nice and it wasn’t even a line item on the invoice. A few weeks later I noticed the light come on. False flag? Might as well check. Sure enough one tire was losing air and it had a hunk of metal sticking out. Huh! I really does work.

    What surprised me was that I didn’t feel a thing driving the car. I guess everything is so isolated from the road these days.

    1. What surprised me was that I didn’t feel a thing driving the car. I guess everything is so isolated from the road these days.

      Tire technology has changed a lot these days too. That’s why a visual inspection isn’t really good enough either. A tire could be at half its intended pressure and still look okay. I had this happen to me when I bought a used car a couple years ago – tires looked right and it drove just fine, but when I actually pulled out the gauge one tire was in the teens.

      Fortunately I caught it before I did any significant driving, but it was yet another reason I’m a fan of TPMS in spite of its occasional drawbacks.

  7. My last car had two of four working door handles by the time I got rid of it. I loved that car, but I couldn’t be bothered to do anything more than keep it driving.

    It treated me accordingly.

  8. In the case of my wife’s 06 530 XiT, everything.

    4 straight years and about 70,000 miles of neglect. I’m now paying dearly for it. I’ve realized just how good the BMW’s are because of this.

  9. The fickle power tailgate actuator on my MKX’s hatch. Realized that it’s quicker to lift the hatch by hand than wait for the lifter to do its thing and more reliable too. Fortunately, it’s a separate part from the gas struts and only took about 5 minutes to remove.

  10. A piece of C pillar brightwork on my Cruze detached itself years ago. I tried getting a replacement from a junkyard car. Nah, that juice isn’t worth the squeeze. Taking off the turbo and $100 worth of gaskets and other parts to fix a $20 leaky oil cooler gasket was totally worth it. No more oil smell.

  11. Minor paint/bodywork stuff. I guess I get why some people obsess over every little ding and scratch, but I am not capable of being one of those people.

    1. Absolutely this. For a while when I had my first Saab 9-3 (newest car I’ve ever had, got it at 2yrs and 20k miles) I tried to be meticulous, but a neighbors dog jumping up on the side to day hi to my dogs in the back seat put an end to that. Now I just embrace the beater aesthetic… It helps to not have a car with great paint or that you paid more than $5k for etc in the first place

    2. I try to get a ding ASAP to get the trauma over with and then as the car ages and gets more and more Uncle Bucky, I just weave more in my lane on the freeway. LOL
      And no, I don’t drive an Altima.

    3. I started cutting holes in my van (like, on purpose!) within days of bringing it home.

      I think that provided a solid protective aura to it, as the surviving bodywork is immaculate-ish, considering it’s lucky to go through a self-service wash about quarterly.

  12. That whole thing is a complex equation of vehicle value, the condition of the rest of it, how much it affects enjoyment, and how much you like the vehicle.
    I will likely never fix the cracked windshield on my DD Subaru before it gets crushed but the same problem in my CUCV would get fixed immediately.

    1. …Not to mention time spent in the car; I will probably never bother to get the stereo working in the fun car (convertible, mid-engine), but a day’s commute (not to mention a road trip) without tunes in the DD is a fate worse than death.

  13. Old girlfriend’s ’90s VW Cabrio had a power top whose hydraulic line fittings eventually sheered off.

    I tried to recrimp (?) them, but wouldn’t hold for long. By that point, new lines were pretty much unobtainable and I couldn’t find anyone in the area who seemingly could fix the existing ones…so I drained the system and we’d raise and lower it by hand. Since they’re small cars, it worked fine.

      1. Hers was the uplevel (had leather b/c she had dogs) model, so maybe the lower ones weren’t. But I kinda expect you nailed it. I hated working on that engine.

    1. Goes for my truck too. There’s a seal somewhere that is seeping, but when I got it looked at they quoted something like $4000 to fix it because it’s a cab-off procedure. I put an old door mat under it so it doesn’t sully my garage floor and it’s been good enough for years.

  14. I don’t have anything like that right now, but back with my first car (1970 Maverick back around 1979) it was the gas gauge and oil consumption.

    The fuel gage I got around by putting in gas every couple of days. The oil – I just kept a case of the cheapest stuff I could find in the trunk and put in a quart a week. It never got any worse, and the car eventually was passed on to my sister after a couple of years. She drove it for a couple of years too.

    1. My father loved to tell a story about a friend of his who, back in the ’70s, bought an older used Ferrari – he kept a drum of 50 weight oil in his garage.

  15. It’s a Land Rover, so the magnitude of problem that can be ignored is increased I think. It has some sort of air bubble in the heater core, causing it to sound like a waterfall in the passenger footwear under acceleration. This also means the heat really only works when you hit the gas. It does NOT, however, overheat. Good enough.

  16. VAG Panoramic Roof. A series of cables and corners, bound to conspire, and leading to horrible failure. Seal, pull fuse, and ignore the fact that the shade also failed.

    1. I completely agree, and I feel the same way about any sunroof on older/high mileage cars.

      Sunroofs (in general) are so overrated… if it’s not the motor/mechanism it’s leaks that cause lots of other problems.

      Pull the fuse, move on with life.

      The only car I’ve ever had that had a sunroof with zero issues after lots of miles/age was a 1999 Honda Civic (of course). Lived in very cold and very hot climates (both very dry and very humid). Never leaked, never stopped working, even 20 years later.

  17. I will say tearing apart the entire interior of the Z4 to pull out the center console to fix the 1-in-200 chance it pulls past the last ratchet is unappealing.

    The AC is dead and I need it desperately, but for four years now I’ve not swallowed enough pride to take it to a shop to have them recover the refrigerant in the system. It’s a powerful greenhouse gas and should never be bled into the air. I think the compressor is dead but I haven’t done the right toggling and listening dance to be sure.

  18. My Sportwagen says it’s low on washer fluid any time the temp drops below 40 degrees. I suppose I could see if trying different brands of washer fluid will fix it…but I’ll probably just use my VCDS tool and turn off the whole damn “low washer fluid” MFD message and warning light in the instrument cluster. Or just ignore it till it gets warm again.

  19. I currently have two issues on my 20 year old Lexus I can’t be bothered to fix, though one may be getting close to being worth tackling:
    1) A drive line clunk after coming to a stop, which can sometimes be resolved by grease, but if that doesn’t fix it then a new, redesigned driveshaft is the cure. The grease doesn’t work anymore, but the clunk isn’t bad enough to buy the new driveshaft.
    2) The dreaded 2UZ exhaust manifold crack. The crack started about four years ago and, until recently, only ticks for a few minutes until the exhaust manifold gets some heat in it and expands to stop the noise. Recently, however, it started ticking all the time, albeit quieter when hot. Despite being neither cheap nor easy to replace, it might be time to install new manifolds before the crack gets bad enough to start causing check engine lights (or driving me completely insane with the ticking sound).

      1. I’m actually not sure which will drive me insane first – the ticking sound, or my kids mockingly asking me why the car sounds like “a ‘ticking’ time bomb” (they are young, so they love all the corny dad jokes I refuse to tell).

    1. Make sure you’re using moly fortified grease. My GX had a really bad clunk when I bought it two years ago, and after greasing it with about 5 pumps on two occasions a couple of months apart, it’s 100% completely cured, even in the single digit temps we’ve had lately. It has to be a moly grease to work though.

      1. I’ll double-check the grease I’ve been using, but it’s the grease that Toyota and all the forums recommend using. It’s actually been doing better in the cold than in summer.

  20. I just need a respray as the clearcoat is gone. I just can’t find the time to get quotes. New engine/transmission/front hub assemblies are keeping me in the car for now. My last wrenching on it was replacing the headlight assembly as the plugs inside melted. They were pretty hazy too

  21. My car thinks there is an unbuckled person in the front passenger seat if I put anything on it, even my lunch bag. I keep it empty so I don’t have the car beeping at me all the time. No effs given.

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