Matt Bullen: Mechanic answers car repair questions as part of Ask The Expert

Published May 14, 2025, 4:46 AM

As part of the weekly Ask the Expert series, Matt Bullen joined the Afternoons team to answer questions and offer advice about repairs.

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Thank you very much, Raylan, And as we do it this time every Wednesday, I asked the Expert series, and this week we've got Matt the Mechanic back with us. He's got thirty eight years experience as a mechanic in the automotive industry. He's worked for pretty much every franchise brand you can think of, from the Japanese through to the Europeans. You'll find him at Exile Autos and Fakatane. He's a good man and he's brilliant at this stuff. So if you've got a question for Matt, now's your opportunity. Oh eight hundred and eighty ten eighty gered a.

Matts, Good afternoon, guys.

How are you very good?

Should we go straight into Donald with his nineteen seventy zipper.

You Donald, you're on with Matt? How you doing?

Thanks very much? My first car in nineteen seventy. Zippa bought it in seventy five a cow that us told don't buy the Troublesome. It's been understarted completely understars a C the unused since nineteen ninety three, it has not seized. What is a mechanic, mature mechanic? How would you go about gently restarting it?

I'd change the oil and filter. I'd probably change the radiator fluid. You'll probably need a new battery. Yeah, I'd probably. Once I've changed the oil and filter, disconnect the ignition so it doesn't fire, and wind it over a bit to get the oil flowing through the engine.

Yeah.

The start up you need probably.

Or you go, man, you go first, man.

You'll probably need new fuel. And if you know, whatever's in the carbridge is probably evaporated. You might need to pull the top off the cab and clean it out.

Yeah, Donald, hopefully that works.

You got that, Donald?

Yes, I did think very much.

Yeah, lovely, all right, all right.

Good luck?

Beautiful.

Via calls the Ford Zippa.

Now you speak this seat of the countessential New Zealand car, the Ziphyr. If you want to give yourself a treat, look up John Campbell's or not. John Campbell's was named John Clark's appearance in the movie Gosh, what was the movie? Someone Will tell Me?

As a car salesman, does it never say die?

Yeah?

Never say die.

Yeah, make one hundred down a steep hill with a stuff suddenly up.

It's recalled.

Oh yeah, yeah, you've never owned a zipper yourself, mat No.

Jeru, you've got a twenty eighteen Ranger you want to talk about?

Yeah, Jerry, Sorry, guys.

You're in the book is Duu.

That's probably not a name.

Jerry.

We've got to you instead of a y, but that makes more sense.

It's classy. I want to call you Duru. We'll call you Duru for the rest of this. Called Jeru. You've got a twenty eighteen Ranger and we use it.

Mainly for torna caravan. Now when on driving along, it's an automatic. When I'm driving along, not over revenu or anything. It goes first taking third board and then it might jump into sits, but it gives a big clunk back and then continues on into six and whenever you're slowing down, it just slows down normally the way it should go back through the gear. I've taken it to forward about three times. It's when it's a load or without load, if that makes sense. With the caravan or without I've taken the forward and they're doing all the diagnostics. And they can't find the thing wrong with it.

Okay, I'll probably start by changing the givebox oil. And if you're telling with it, it might it might be beneficial to put an external oil cooler in the in the transmission.

Line, right, they're not put an extra oil.

It will have one, but if you put an external one on it, it will it will work better, it won't get as hot. But I'd start by changing the and then maybe looking at an external oil coller. Otherwise that may be an electronic process. You might have to get it scanned, but if you've taken it back to four, they've probably already scanned it. And then if they can't find any codes, yeah, yeah, yeah, I'd start with the oil and then maybe an external oil coller.

Okay, so I'm not as hard to diagnose.

What do you think that is? The worst yees that could happen, The worst that could happen.

I might not win a lot of one Saturday again. Yeah, if it's not leaking, just chick it for leaks and just make sure there's no external leaks. But they've probably already done that if you've been back there. But I'd start by changing the oil.

Yeah, Drew, slash Jerry, good luck with hit twenty eighteen range. There's a text tier Matt ninety three Toronto t D twenty seven automatic randomly drops to lower gear and won't change. Only way to get back to normal is to turn off the engine and start again.

Any advice, Yep, I just can't off the top of my head think how they're controlled. But if it's probably got a transmission computer and it's probably a computer issue. So again it's getting a bit early to be to be able to be scanned, but probably an auto electrician might be the best bit for that.

Yep, very good.

If you've got a question for Matt, now is your opportunity, Oh eight hundred and eighty ten eighty is the number to call.

We've got full lines at the moment.

But keep trying and he will give you some great advice. Just before we go back to the phone calls, Matt's found a little bit of He's done some research. He's put it that way.

Yeah, I was talking about this great piece of John Clark audio. You might know him as Fred dag He was one of New Zealand's greatest comedians. He was in the Timmi where a Morrison movie Never Say Die as a remarkably honest car salesman.

And I just love this audio.

I think it's phenomenal.

Seven hundred, seven hundred, And I suppose I only had one owner, a little old lady who only drove it on Sunday's least.

She's an ex rental. I made of mind thrash to ring at him for a.

Fair bit border and here see if I could find some bunny to fit into it.

That's a marker.

Be frienk of you, Cyril, Cyril.

Well, it's not a lot of commissioning a seven hundred dollar vehicle. I'm not going to make about all day selling it.

He doesn't want it anyway, tell us about it?

Well, uh the body works pretty well rooted as you can see. But uh, well, I never give up these old sixers, do they? You know, a little hard to start, a little hard to start, runs like a haunted shit house for a bit, But once she warms up, there's a lot of grund down there. I wouldn't be surprised if you got the ton out of this, you know, a decent downhill run, you know, with a frisk northerly up your freckle.

That's so good.

Look it up on YouTube. It's one of the most greatest New Zealand comedy performances of all time. John Clark and Never Say Die.

Right, let's go to the calls. Mark, you're going to an issue with your a noisy belt?

Is that right?

Yeah?

Good, I've got a I've got a wheeling tim and it seems recently simple to.

Mechanics for the.

Wonderbug player.

And yeah, at a manually pretty challenging when I'm going up with hell.

Can anyone understand what Mark say?

I'm really having trouble hearing your there's.

A lot of technical issues going on here. Yeah, some kind of storm of cockuppery going on here.

Yeah.

Yeah, So the information I've got here, so stick accelerator, Matt in a noisy belt.

That's all we've got to go on.

Advice, please, it sounds like he's headed into the shop a few times and he's still got the same problem. Look, the best advice really is to find someone that knows what they're doing with it. Yeah, ATV is not really anything that I'm sort of familiar with. But a sticky accelerator and a noisy belt sounds pretty simple to fix. But I think you might just be taking to the wrong guy. Yeah.

So Matt Alan asks, what is the best small coat? What is the best small car to buy for safety, few, your economy, and a bit of zip in.

Your Opinioner Coler, I've got two of them.

Yeah you yeah, car, safe, economy, love that high there.

I purchased a two thousand and five Red four a few weeks ago, and it is very expensive on gas runs well, I think, and I drive with a very light foot.

Any thoughts, Yeah, they're not the best on gas anyway, if you're driving it around town, I assume it's a four wheel drive, they're not that great on guess. You could get a tune up, Maybe you get some new spark plugs and a new air filter. It might be running a bit rich. You might have a blocked air filter or something like that. But they are just not that great on guess. Yep.

I suppose two thousand and five is long before the hybrid model came out.

Yeah, yeah, yeah, Aaron, you've.

Got a twenty fifteen rain driver with a problem.

Yeah, And then to my son about one trip in twenty it goes into an engine saving mode and has about ten percent of its normal power. And you can only just get it home. Been to three mechanics. There's been the light on the dish, no, no, nothing on on the dash.

And.

Various comments of aut eg r belves and just one whether we could wondering whether we should remove it and reprogram it to op break without.

I would have thought if it's going into limp mode you would definitely have a light on the dash. But it will definitely probably be something they will need to be scanned with a decent scantal have it.

And we've taken it to the garage when it's in limp mode and left it running so they can put the gear on it.

Have you been to a friend franchise dealer or have you just taken it to have to market guys.

One franchise and two too experienced guys with the European vehicles. Yeah, it's just it's got absolutely.

I get it to get it to a range Rover dealer.

Yeah, been to arts us in christ Church.

That one's too tough for.

Over the phone, but yeah, all the beast aaring, I think we had time for one more cooler.

Brian, you've got a problem with your problem with your crutch, problem with your crotch on a sixty eight Mustang there Brian common problem on the.

It needs a scratch. Just just consuming my own views. Actually, i went up to the beach hop and and the traffic up there was pretty slow. So I've got a four speed top lader behind a Stroker motor, and I just and I'm putting my foot down practically in any gear, I just get a slight weaver of the motive before detraction starts. You you can feel normally, I should put my foot down and you feel a card cellar straight away, but there's a slight rhath and then the white goes. I'm assuming that clutch plate. And the other question would be should I replace the clutch and pressure plate and thrust bearing?

Also, well, if you do the clutch, you do it all to the clutches slipping, you should you should be able to smell it? No, I couldn't just work, Just work, work in a bit and see if you can make it slip. If you can make it slip, then it's probably gone, but you probably be able to smell it when it does.

Yeah, alternatively or not the clutch, any any ideas what might do that?

Not without driving it? Maybe an ear leak if it's just hesitating a bit. But if you just yeah, I mean, if you're driving it, and you obviously know what you're talking about. When you've got a car like that, most guys with cars like that do their own work. If you're sort of feeling it's a clutch, then yeah, you know, without driving it, I'd probably agree with you. And if you do, do it, do everything. You're buy a kiss anyway, so you'll get everything in the clutch kit.

All the best, Brian, And sounds like a beautiful vehicle. Sixty eight Mustang in the old beach shop. That sounds like a good time. One text, one more text here. Matt just had my transfer case rebuilt on my old four x four new internals, getting a very quiet wine when I'm doing eighty k's an hour.

Is this normal for new gears? Or should I take it back to get checked.

Make sure it's got the right oil on't it? Or are you hearing something else because the transfer case is no longer noisy? It might be something else. Gears, wine bearings rumble, So if it's a wine, it's a year. It could be a difth for or a gearbox. Yeah, that you've hit the transfer coast done. You might not be hearing you'll be hearing something that you couldn't hear before. Yeah, so, but just make sure it's.

Got the right all on it, yep, and potentially take it back.

Yeah definitely, Yeah.

Yeah, yeah, very good Matt, You're brilliant is always and always great to catch up mate. We will do it again in about a month's.

Time of course. All right, thanks guys, appreciate it. Yep.

That is Matt the mechanic from exol Autos and Fakatan and as always, advice off it on. This program has done in good faith and should always be confirmed by a physical inspection of your vehicle.

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