I'm a Master Mechanic! Ask me anything!

89 full size bronco
Makes a "chirping sound" when in four wheel drive. Sounds similar to a slipping belt. Doesn't matter if she's turning or going straight ahead, it will chip somewhat rhythmically if it's moving.

The chirping seems to start about, maybe, 5 minutes after engaging 4x4.

It has the OEM automatic locking hubs, which I've heard were junk even in 1989. Do you think switching to manual hubs might solve it?

Thanks for the info!

2010 silverado
Motor swap complete this past Thursday.
Since the engine has been chirping/slight squeal and when parked you can feel the whole truck slightly rocking. Oil Gauge moves up and down irregularly. They didn't hook up remote start. Smells of heavy gasoline.
They said give it a week to settle in and it should be fine. I call bs.
What do you think?
My uneducated thought was engine isn't in correctly causing belts and pulleys to be off and causing the rocking.
I feel like they said wait a week so they can charge us for more. (Side question is there any laws on mechanic work and guaranteed for x-days and this is why they're having us wait and see to skirt a law?)
Thx for your help.

I'd probably replace the evaporator as well as any mode doors or actuators that are known to be troublesome.

Jeep Grand Cherokees love to split the blend door pins so it's a good idea to do it all while you're there, instead of chancing having to get back into it to replace something you were just looking at.

As for the "long route", what you're paying for is an agreed upon price for the job.

Is there a difference between petrol/diesel cars in the US vs Europe in regards to MPG? I heard cars in the US are not great with Gas mileage vs cars in Europe where you can sometimes get double the mpg with the same type of car. Is this a myth?

How long will my motor last? Is it a good motor?

I have a 2001 Chevy Astro Van with a 4.3 L motor. My mechanic says it's "a workhorse" ... is that true. I have it perfectly tuned up. All premium parts on all my repairs. I bought it two years ago with 108,000 miles and now I have 121,000 miles. I want to get 400,000 miles out of it. Can I ???

.............

What are some of the most common, uncommonly-known, causes of intermittent performance degradation on vehicles as they age?

Talking poor, inconsistent and inefficient acceleration, erratic shifting performance.

any truth to this?

Those motors are good to go if properly maintained and the transmissions are decent on those too.

I have a question. If "Little Bastard" was never delivered to George Barris , then where is it?

Another question: I have a dsm 6g72 3.0 liter twin turbocharged engine that has less than 35,000 miles on it. How much boost can it make without encountering head lift?

OP, can you tell us what YOU drive?

Hi. I have a 2013 Volkswagen Golf TDI. The wheels have begun to wobble really badly (really bad from 30-40mph and around 60-70mph). I thought it was my rims because my dealership told me I had 3 bent rims (confirmed at tire shop), so just yesterday I bought 4 brand new aftermarket rims. But now it wobbles even worse! Any idea what could be causing this? Tires are all fairly new with one being only 2-3 months old. It seems to have a "noisy" front end and yesterday while I was driving around with the windows down (I live in South Texas), I could hear a clicking sound. Alignment is good. Any ideas?

Thanks in advance....

Best pickup without many integrated circuits.

Room in there to work on myself. Fairly uncomplicated.

Reliable once it's in good working order.

Which year? Brand?

Diesel or gas?

I'm not much of a wrench yet. Been working on old two-stroke yamahas to get my feet wet and knuckles bruised.

Oh, what to look for in a body, too. What's a deal-breaker? What's not?

I don't mind putting money in to make it reliable. Could afford new. Don't want.

Hold rpms @ 6K. Something will give.

Thank you sir. But are you a mechanic? Your not OP but I like your opinion. I hear the 4.3 Liter motor is very good. I change my oil every 2000 miles. lols.

How do I attach the Thingamajiggy to the Discombobulator?

Oh, that kind of mechanic...

Thank you!!!!!

What are the symptoms of a failing variable speed transmission? (old prius) It's fine but I expect it to be next to go.

Are you Scotty Kilmer?

Sir I have one for you. I just rebuilt my 351 Windsor in my 84 Ford F350. It has a Miss in it that we cannot find. My neighbor works on cars for a living and he can't find it we have tried changing the plug wires he has checked the intake with a propane torch to see if it would pick up speed nothing what do you think.

Definitely an actuator has stripped a gear.

Working on a 2012 Porsche Cayenne Turbo. The AC compressor bearing came apart and seized, destroying the drive belt. Replaced the compressor and the belt. Seems there was a few strands of kevlar wrapped around the power steering pump shaft and that ate up the seal. So, in goes the new PS pump. Everything in that engine bay is packed incredibly tight (huge engine, small space). ALl fasteners are torx or inverted torx.

Where can I get a set of swivel torx?

I completely rebuild it and had the Machine Shop punch it .060 over . It has a radical cam in it which makes it kind of hard to delineate the sounds but it's not too radical I bought a stock 4 Barrel manifold on it with an Edelbrock carburetor all new parts everywhere

I don't know how to post images, but this one is AWESOME!!!

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[link to me.me (secure)]

No. I'd get the Rivian. Much more pleasing to the eye and the benefits of torque vectoring due to 4 motors is undeniable.

It has good compression and it gets fire down to the cylinders but the 3rd and 4th and the 5th and 7 cylinders act like they're not firing even though we took them out and they are

Can I put my carburetor on the tailpipe and mount the muffler on the intake manifold to make more power? Also my fan belts all busted so can I stuff some bungee cords in there?

'Tis the season for batteries to show their age. Go have it tested and the terminals scraped and cleaned.

Do you even lift?