r/AskAMechanic

Can’t get rotor off

2011 Ford Crown Victoria (police interceptor)

Very novice DIY’er here. Tried everything that I can think of. Pb blaster. Loosened parking break all the way. Hammered it but didn’t want to go too hard. Still won’t come off. Any ideas?

u/PerChanceFoo — 5 hours ago
▲ 3 r/AskAMechanic+1 crossposts

Ford edge 2016 eco boost 4 cylinder

Hello there! I have a few questions. I just obtained this car and it's in pretty good condition overall but I've started seeing some issues and want to make sure I get ahead of things

I got a check engine light and so I took it to autozone and it read p0303. We changed the spark plugs and it appeared again so I was told it could be the ignition coil. I already bought the part to be put in Monday. Is this a sign of a bigger issues?

I also noticed when I go around 70mph on the road there is a noise I can best explain as cans being dragged or like a potato chip bag being opened. I tried seeing if the noise interrupts when I drive over things but it doesn't so I don't think it's the tires. Any clues? I did notice the bottom was missing a fastener but I don't know if I'm that lucky that fix is that simple (I'm including pics)

Last thing is that before the long drive home I changed the oil and they told me that the coolant was low and so they topped of off. I noticed when my husband was going to changed the spark plugs 2 weeks later that the coolant was below min. There's no spill on my driveway. I'm afraid its going somewhere it's not supposed to like the engine. I am pretty paranoid about noises and smells and noticed that sometimes when I start the car with the door open I smell the coolant for a bit. Is this a bad sign?

Other than that the car runs great.

u/FabulousWriter4865 — 5 hours ago

Is this a bad rotor?

All the other rotors are flat and seem in good shape. The oil change people said I don’t have anything to worry about, but I can’t say I trust that.

u/WillyWildflower — 6 hours ago

Car doesn’t attempt to turn over

2004 BMW 325xi M54 Engine
Was sitting for a year and the starter died.
Changed the starter and I had it tested before installing. Now it just makes this sound.
Sounds like the flywheel is spinning but nothing is happening

Is this the sound of all 6 spark plugs being dead?
Kind of lost on how to continue, any help is appreciated. Thanks:)

u/indeceptiion — 6 hours ago

Brake issue, possible frozen piston/caliper?

I have a 2002 Toyota Solara 2.4L 4-cylinder with 198,000 miles with a weird issue. About a year ago, my car started shaking after driving it on the highway for more than 2-3 minutes. This is my daily driver, and my daily drive is less than 10 miles, all on surface streets, so I rarely notice the problem.

Now it's getting worse - shaking the steering wheel, the whole car vibrates, and stuttering/surging braking coming off the highway from highway speeds to a full stop. Even after a stop, it continues shaking until it has a chance to sit for 10 minutes or longer. It's definitely seems like a brake issue, possibly a warped rotor, but only when I've been driving on the highway.

The rotors only have maybe 15,000 miles on them. I upgraded to drilled and slotted rotors about 5 years ago. I hate replacing them already, but what are you gonna do? So I pulled the wheels off, and the rotors are still too hot to handle, so I tried a little test. The car is securely up on jackstands. I started it and put it in drive to see if I could see which rotor was warped. Only the passenger rotor spins. The drivers side rotor is locked up - I can barely spin it with a wrench.

So my question is, do I have a stuck piston or caliper? If so, what causes that and how is it fixed? Or if the caliper is fine, do I simply have a warped rotor, or is there more going on? I'm assuming I'll need new rotors regardless.

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u/ougryphon — 4 hours ago

Disaster with my rear view mirror

So dont even ask how I managed this.. but Ive ripped my rear view mirror off and its taken some of the glass with it. There are no cracks but some pieces have splintered off, is there any way I can glue these bits of glass back on to avoid a windscreen replacement?

u/The-Big-Jilm — 10 hours ago

2007, Honda CRV, This is straight

How much would it cost to fix this? Anybody know what would cause this? To drive straight the steering wheel has to be like 25dwg off. Orange County, CA for reference

u/Crash_Pandacoot — 7 hours ago
▲ 4 r/AskAMechanic+1 crossposts

What coolant do I need? 2012 f150 5.0 6speed automatic. 130k miles

Also, is that separation on top? How bad is that? Just bought this truck.

u/Strong-Volume8670 — 7 hours ago

Universal oil viscosity?

I was in the motor oil section recently and there were two dudes there pondering all the different bottles. I wasn’t really paying attention to them but then one said something to the effect of:

“We’ll just put 10W-30 in it. That’s universal oil for everything.”

I have never in my decades of driving heard such a thing. Have you?

Back when I was a kid 10W-30 was pretty common, but the only thing I use it in now are my generator and my 30-year-old mower.

PS: I did tell the dudes that I was pretty sure 10W-30 could damage their car’s engine if it was designed to have a different viscosity.

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u/Philbertthefishy — 12 hours ago

How much would it generally cost to fix this

Broke off while I was driving down the highway. The connection between the pipe and my catalytic converter(?) looks like it just rusted apart.

2013 GMC Terrain

u/MrSpaceWorth — 11 hours ago

2018 Ram 1500 3.6 v6; electrician not mechanic, how much of a pain will replacing the AC Compressor be?

Have some tools, will be buying any speciality ones required

Edit: Thank you guys, didnt know changing the clutch was an option, will be starting there. Also didnt know it involved recharging fridgerant if its the compressor too so really hoping clutch does it.

u/ds2925 — 22 hours ago

Does anyone know what noise this is coming from my Honda Pilot?

It happens everytime I turn it on. Then stops after a couple minutes. 2020 Honda Pilot Touring

u/Ok-Network8411 — 9 hours ago
▲ 2 r/AskAMechanic+1 crossposts

N47 sound check

Update to my prior post people were asking for a warm start to hear the engine. Does this sound alright?

Thanks

2013
116d
N47

u/Informal-Meet-3591 — 10 hours ago
▲ 11 r/AskAMechanic+2 crossposts

sym jet 2000

bought this old sym that was sat 20 years and fully restored it but i want to be able to learn wheelies on it it’s around 120kg and only goes around 38 right now gonna de restrict and make it go 55 anyone got same bike or tips or advice on this ITS MY FIRST BIKE and it’s a 2t i know nothing about them and my mechanic told me i shouldn’t have bought it with no knowledge on them and it keeps breaking on me even after £600 full restoration

u/Delicious-Cup6160 — 15 hours ago

Did Les Schwab scam me?

Subaru Crosstrek 2020.

I'm almost certain I've been scammed but want a confirmation before I complain to the Better Business Bureau. I went to Les Schwab a couple months ago to have tires replaced and they told me my brake pads were almost completely used up and wanted me to pay $850 dollars to replace them. They showed me some paper thin diagram and said this was the thickness of my pads. My friend who works on cars helped me replace the front pads. When we took the old pads off they looked totally fine. I measured they have about 5/16 inches of pad left on them. Do you see anything wrong with these pads or should I write a complaint?

u/ContributionOk1872 — 21 hours ago
▲ 1 r/AskAMechanic+1 crossposts

Un avis sur le moteur et ce bip continue ?

Bonjour, nous venons d’acheter ce véhicule hier et nous ne connaissons pas le bruit du moteur sur cette marque au démarrage comme si quelque chose claqué et pareil en l’éteignant mais seulement au démarrage et en éteignant sur la seconde vidéo il y a aussi un espèce de bip. continue quand nous mettons le contact Je n’ai pas l’impression que ce bip persiste quand le moteur tourne. Avez-vous un avis ?

Mercedes classe B 2014 244000km c’est une diesel

u/Khaledkh37 — 16 hours ago
▲ 3 r/AskAMechanic+4 crossposts

CRV 2025 hybrid AC fan noise under the hood

Urgent help needed : Could someone please confirm if there’s an issue? I have a 2025 CRV hybrid, and I’ve noticed a noise coming from under the hood on the passenger side when the AC is on. This noise doesn’t come inside the cabin. It’s a new problem, and I’m worried it might need a mechanic. I have a long trip ahead, and unfortunately, all dealerships are closed today, Sunday. Any help you can provide would be greatly appreciated!

u/ypksastro — 12 hours ago

08 Ford escape trans will not stay in gear after about 2 minutes

2008 ford escape 3.0 v6. Ok so never been a transmission man so my knowledge on them is limited compared to engines , with that said at cold start when crunk it engages all gears for first couple minutes then refuses to engage any until you park it for a little while , not sure if last shop to service fluids over filled or not but it was over filled I will include a photo of some of the fluid I removed . Just wanted to know if rebuild or replace is recommended
* day the issue happen I was able to selective turn it off then restart over and over to get it to drive last mile home

u/dreamchilledlover — 18 hours ago