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**What could cause this? 😳🔧**Pulled the intake manifold off and found this mess underneath. There’s a heavy buildup of o...
08/06/2026

**What could cause this? 😳🔧**

Pulled the intake manifold off and found this mess underneath. There’s a heavy buildup of oil and sludge pooled inside the intake valley, and it definitely doesn’t look normal.

Now I'm trying to figure out what could have caused it before I start throwing parts at the engine.

Could it be:

* A failed PCV system pulling excessive oil into the intake?
* Worn piston rings causing blow-by?
* A leaking intake manifold gasket?
* Valve cover/PCV baffle issues?
* Years of neglected oil changes creating sludge buildup?
* Something else entirely?

The engine was still running, but not exactly running great. I'm curious if anyone has opened up an engine and found something similar. What was the root cause in your case?

Looking for opinions before I put everything back together. Thanks! 🚗🛠️🤔💨

**Need some advice from the Subaru crowd. 🔧😩**I'm trying to remove the **timing cover on a 2008 Subaru Tribeca**, and I'...
08/06/2026

**Need some advice from the Subaru crowd. 🔧😩**

I'm trying to remove the **timing cover on a 2008 Subaru Tribeca**, and I'm running into a nightmare with the factory hex (Allen) bolts. Most of them came out fine, but several are starting to round off even though I'm using the correct size hex key—it fits snugly with no play at all.

The frustrating part is that some bolts break loose normally while others immediately start stripping. I've already tried locking pliers on the rounded ones, but there just isn't enough of the bolt head exposed to get a solid grip and turn them.

Before I make things worse, what would you guys try next?

* Hammering in a slightly oversized Torx bit?
* Applying heat to the timing cover area?
* Using an impact driver?
* Bolt extractor sockets?
* Cutting a slot and using a flathead/impact driver?
* Welding a nut onto the head?

I'm trying to save the cover and avoid drilling if possible, but I'm running out of options. Has anyone dealt with these stubborn Subaru timing cover bolts before?

Any tips or tricks would be greatly appreciated. Thanks! 🚗🛠️😅

**Need some help identifying this mystery part. 🔧🤔**I'm replacing the **right-hand CV axle/driveshaft on my 2012 Hyundai...
08/06/2026

**Need some help identifying this mystery part. 🔧🤔**

I'm replacing the **right-hand CV axle/driveshaft on my 2012 Hyundai Santa Fe**, and when I separated the axle from the hub, this thin metal ring/washer fell out. As you can see in the photo, it's pretty much destroyed and definitely doesn't look reusable.

It appears to sit somewhere between the **outer CV joint and the wheel hub**, but I can't find any mention of it in the service manual, and my replacement axle didn't come with one.

Does anyone know:

* What this part is actually called?
* Is it a thrust washer, spacer, dust shield, axle shim, or something else?
* Is it required, or can it be omitted?
* Where can I buy a replacement?

I'd rather not reassemble everything with a damaged part if it's important, but I'm not even sure what to search for. Has anyone run into this while replacing a Santa Fe axle?

Any help would be greatly appreciated before I put it all back together. Thanks! 🚗🛠️😅

**Well... this escalated quickly. 😬🔧**I was doing a brake job and somehow managed to push the **caliper piston completel...
08/06/2026

**Well... this escalated quickly. 😬🔧**

I was doing a brake job and somehow managed to push the **caliper piston completely out of the bore**. As you can see in the photo, it's no longer seated in the caliper, and now I'm trying to figure out whether this can be salvaged or if I'm shopping for a replacement caliper.

Is it possible to:

* Clean everything up and reinstall the piston?
* Replace the piston seal and dust boot with a rebuild kit?
* Carefully compress it back into the caliper?

Or is the safest option to just replace the entire caliper?

I'm concerned that the piston may have damaged the inner seal when it popped out, and I obviously don't want to risk brake failure. Has anyone successfully rebuilt one after this happened, or is it usually game over once the piston comes out?

Any advice is appreciated. Thanks! 🚗🛠️😅🚨

**Need some suspension advice.**I hit a pretty nasty pothole, and ever since then my car **won’t turn to the right prope...
08/06/2026

**Need some suspension advice.**

I hit a pretty nasty pothole, and ever since then my car **won’t turn to the right properly**. I pulled the wheel off to inspect everything, and while I can see some obvious damage around the wheel well, I'm not sure which suspension or steering components are bent.

From the photo, does anything stand out as damaged? I'm wondering if I may have bent:

* A tie rod (inner or outer)
* Lower control arm
* Steering knuckle
* Strut assembly
* CV axle
* Subframe or mounting points

The wheel was turning fine before the pothole impact, and now it feels like something is physically preventing it from steering all the way right.

Before I start throwing parts at it, what components should I inspect first? Has anyone had a pothole hit cause this kind of issue?

Any advice is appreciated. Thanks! 🔧🚗😬🕳️

**Do you guys see anything wrong here? 🤔💡👀😬**I was checking my brakes and something about this setup immediately caught ...
08/06/2026

**Do you guys see anything wrong here? 🤔💡👀😬**

I was checking my brakes and something about this setup immediately caught my attention. At first glance everything looks normal—a rotor, caliper, and pads—but the more I stared at it, the more I started wondering if I'm missing something obvious.

Maybe it's nothing, maybe it's a serious safety issue, but something definitely doesn't look right in this picture. 🔧🚗

Let's see who spots it first:

* What stands out to you?
* Would you drive it like this?
* Is this a quick fix or a "park it immediately" situation?

Mechanics and brake experts, what's your diagnosis? 👇😅

🚘🔍🛠️

**Need some help figuring this out.**I pulled my spark plugs and noticed that **one of them is wet with oil**, while the...
08/06/2026

**Need some help figuring this out.**

I pulled my spark plugs and noticed that **one of them is wet with oil**, while the others look fairly normal. The strange part is that when I look down into the spark plug tube/well, it's completely dry—there's no oil pooled around the plug and the valve cover area looks clean.

The oil seems to be on the plug itself, especially around the threads and lower portion, but the spark plug hole is dry. I've included photos of the plugs and the spark plug tube for reference.

What could cause a plug to come out oily like this if the plug well isn't leaking?

Could it be:

* Worn valve stem seals?
* Piston rings/blow-by?
* A PCV system issue?
* A leaking valve cover gasket that was cleaned up before removal?
* Something else entirely?

The engine runs decent overall, but I'd like to catch the problem before it gets worse. Has anyone seen a plug look like this while the spark plug tube stayed completely dry?

Any advice would be appreciated. 🔧🚗🤔

**Need some advice. I'm kind of stressing over this.**I have a **2007 Impala SS with the 5.3L V8** that's been making a ...
08/06/2026

**Need some advice. I'm kind of stressing over this.**

I have a **2007 Impala SS with the 5.3L V8** that's been making a knocking noise from the driver's side of the engine. The weird part is that it isn't constant—it'll knock for a while, then go away, then come back later.

Since I was a little low on oil, I topped it off and added a bottle of **Lucas Oil Stabilizer** (pictured). Right now the knocking seems to be gone, but I'm worried that's just masking the problem rather than fixing it.

I don't really have the money to take it to a shop at the moment, so I'm trying to figure out what my options are. If this is a rod knock, lifter issue, AFM problem, or something else common on these 5.3s, how much longer can I realistically drive it before it leaves me stranded?

Is there anything I can check myself to narrow down the cause? I have basic tools and don't mind turning a wrench if there's a repair that's doable at home.

Has anyone had a similar intermittent knock on a Gen IV 5.3L? What did it end up being?

Any advice would be greatly appreciated. 🚗🔧😬💸

**What are these parts? 🤔🔧**I came across this pile of suspension components and I'm trying to identify exactly what the...
08/06/2026

**What are these parts? 🤔🔧**

I came across this pile of suspension components and I'm trying to identify exactly what they are. They look like **front lower control arms/subframe suspension arms** from a passenger vehicle, complete with bushings and mounting points still attached.

Are these lower control arms, trailing arms, or part of a front subframe assembly? Also, what vehicles commonly use this style of suspension component?

Just curious to learn more about what I'm looking at and whether they're worth keeping, rebuilding, or sending to the scrap pile.

Any suspension experts able to identify them from the photo? 🚗🛠️👀

**Only real mechanics will know this one... 👨‍🔧🔧**Let's see how many gearheads can identify this part without using Goog...
08/06/2026

**Only real mechanics will know this one... 👨‍🔧🔧**

Let's see how many gearheads can identify this part without using Google. 😎

This old-school hydraulic component has been taken apart, showing the piston, spring, and cylinder bore. It's a small part, but when it fails, it can leave you with a pedal that feels completely wrong.

**What's it called, and what does it do?**

Bonus points if you can explain:

* The symptoms when it starts failing
* How to properly bleed it after replacement
* What vehicle systems commonly use it

Drop your answers below and let's see who the real mechanics are! 🚗🛠️🔥

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