6 July 2009

Still sub-zero at 9am? Tips for getting cars started?

| johnboy
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The Bureau informs us that it’s still below zero out there even at 9 in the morning.

The next two mornings are also forecast to get down to -3.

So for those struggling to get their cars going in these conditions have you got any tips?

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1974 VW Beetle. Turn the ignition. Starts 1st every time, no matter the weather. If your car struggles in this ‘weather’ it is a piece of shit and should be sold immediately

Holden Caulfield said :

I just turn the key and make sure the seat warmers are set to position 3 on the leather seats. 🙂

hahaha…. there are some mornings I have been wishing for a steering wheel warmer…. mmmm

Clown Killer9:14 am 07 Jul 09

HC it’s a 2009 modle with a Tdi engine. Advice from the manufacturer is that having it idle long enough to defrost the windows and warm up the interior is by no means excessive and will do it no harm whatsoever.

Holden Caulfield9:05 am 07 Jul 09

Clown Killer I assume your car has a catalytic converter, in which case I had always been of the understanding that excessive idling is not good. Not sure what your user manual states, but the ones in our garage state that long periods of idling are not recommended in order to protect the longevity of the catalytic converter.

Sounds like your car may different, though. As always RTFM wins the day.

Clown Killer8:41 am 07 Jul 09

start you car 10 minutes before it’s time to go and it will to nice and warm and frost free.

Don’t do this.

Thanks for that YapYapYap, but I believe that I’ll trust the advice provided in my owners manual. Perhaps on older cars it might be an issue.

Definitely Motor, no way would I ride a push bike in this weather, too cold…………

Clown Killer said :

* start you car 10 minutes before it’s time to go and it will to nice and warm and frost free.

YapYapYap said :

Don’t do this. Oil thickens considerably at very low temperatures and at idle speed your oil pump may struggle to move the oil to the upper parts of the motor, leading to excessive valve train wear.

How long does an oil pump take to deliver at-idle oil pressure to the valvetrain of engines in good condition?

From a cold-start it’s still only a handful of seconds. Which makes your ‘valvetrain wear’ advice irrelevant as to whether drivers subsequently choose to cold-idle a motor up to temperature, or not. Because this initial wear will ensue in either circumstance – whether idled-up for 10 minutes, or driven off 10 seconds after a cold-start.

Indeed, if freezing temperatures do lead to insufficient oil pressure on cold-startup, the absolute worst thing you could to impose on an oil-starved motor is to rev it up and put it under load, aka immediate drive-off.

Up to 80% to 90% of engine wear is incurred during cold-starts. An unsuitable grade of motor oil for temperature conditions will afflict cold-start oil pressure. The popular 20W-50 multigrade is rated suitable for ambient temperatures down to 20 degrees Fahrenheit, or minus 6.6 degrees Celcius.

Clown Killer said :

* start you car 10 minutes before it’s time to go and it will to nice and warm and frost free.

Don’t do this. Oil thickens considerably at very low temperatures and at idle speed your oil pump may struggle to move the oil to the upper parts of the motor, leading to excessive valve train wear. Carburetor equipped vehicles (most ‘basic’ cars pre-1989)also risk seeing a build-up of carbon in the combustion chamber (including spark plugs) leading to poor performance and economy, if allowed to idle for lengthy periods with the choke/s restricted.

A useful tip for older vehicles is to turn the key to the ingition stop (where all the dash lights are illuminated) and give it about 30-45 seconds before engaging the starter motor. This allow the ignition coil to warm up, and improves the initial spark. Be careful not to do this for more than a minute though, as an overheated coil can also cause starting problems.

Holden Caulfield said :

I just turn the key and make sure the seat warmers are set to position 3 on the leather seats. 🙂

What a winner

SpellingAndGrammar said :

Push or motor?

If that was referred to me, definitely motor.

SpellingAndGrammar10:03 pm 06 Jul 09

Push or motor?

Wraith said :

Bike starts first time, no arguments, bit cold on the finger tips though down the highway, but what the hell, its worth it.

Same, although it is housed under an enclosed carport, under a cover and has a smart charger that plugs in as well 😉 Nice warm bike apparel means toasty warm while riding too.

Bike starts first time, no arguments, bit cold on the finger tips though down the highway, but what the hell, its worth it.

SpellingAndGrammar9:30 pm 06 Jul 09

I have neighbours that persist in starting their cars and then leaving them to run for a good 20 minutes or so before leaving – even on warmer days – surely this isn’t necessary for newer model cars? Dirty polluters.

Danman said :

In Alaska, they keep heaters in their garages,

Not just Alaska. Lots of americans and canadians had little thin power cords with a weird attachment, for plugging their engines in overnight…. in the garage.

My car lives outside, it’s never had a shed. This morning was pretty dire though, getting the frozen-on frost off the windscreen, so tonight I’ve stuck some opened-out cardboard boxes on the windscreen.

VYBerlinaV8_the_one_they_all_copy said :

Hilarious. Make sure you service your car at the correct intervals, and just get in and turn the key…

For older vehicles, use the choke.

Yup. Got it in one.

Also remember not to put your handbrake on (leave in park, or in gear) as handbrake cables can shrink and snap in the cold. Though you need proper cold, not this imitation Canberra cold.

sepi said :

A thick blanket over the bonnet ….

+1. Although, I see some of our younger Canberran’s persist in thinking you can warm up an engine simply by pouring petrol over it and setting it alight. At least that’s the impression I get by the amount of burned out car-bodies I see on the way to work each morning.

If you’re starting your car at 9am then you’re getting to work too late! 🙂

Seriously though, a tip for avoiding frost on the windscreen is to park under a tree – they act as a bit of shield – I wonder if this may also help with getting the car started?

Clown Killer11:45 am 06 Jul 09

…make sure the seat warmers are set to position 3…

I had always wondered who the hell would need heated seats. They came as standard on my wifes new car and now I am so jealous! On mornings like this they are fantastic.

You could catch a bus…..

A thick blanket over the bonnet (and front windscreen) used to be the tip for crummy old datsons. Our ancient mazda seems to have no trouble – but maybe it isn’t as old as I thought – even it doesn’t have a choke – in fact I’d forgotten about those.

If you have a morris 1100 – garage it and pray, and memorise the NRMA number.

Call in sick.

Or, dog sled.

…and if you’re new to Canberra, check and double check that your coolant is an anti-freeze anti-boil coolant, not some cheap alternative.

I can’t believe the crappy stuff is actually sold in Canberra.

skid, you could get a genuine zippo one locally for 60 or so bucks, but for the win, i went to eBay and got 2 non genuine items, delivered for $26 australian…

Use metho in them if you want to save money (As I have) -tad bit more fumey – but it smells similar to woodglue, so not offensive.

Hells_Bells7410:15 am 06 Jul 09

Oh and one-speed wipers… fun lol.

Hells_Bells7410:14 am 06 Jul 09

My first car (my mum’s border gave to me with a blown head gasket to practice mechanics I was learning at the time) which I gave to my boyfriend (ex hubby) to have his dad and friend fix up when he got his licence because I’d bought another car.

It was a 1970 Escort and it couldn’t take winter here some years (choke if there, was shit) and my other half decided to take a tip from someone about putting a blanket over the motor overnight. Worked a dream, until – yep he left it on there one morning and drove from Evatt to Woden blissfully unaware.

Thankfully, there is nothing to a mark 1 Escort motor, so nothing got tangled or ripped or worse.

Pretty sure my first daughter was born that year and it had to go anyhow, no seat belts (rear) and lovely fumes in the back. (not to mention no radio, no high beams (crap low beam, couldn’t see in country towns etc), no reverse lights, no heater or fan, no comfort, no guts up a hill, went backwards down Black Mountain trying to get up!)

Never had a drama with any other car directly attributed to cold weather here.

Holden Caulfield10:10 am 06 Jul 09

I just turn the key and make sure the seat warmers are set to position 3 on the leather seats. 🙂

DarkLadyWolfMother10:06 am 06 Jul 09

If it won’t turn over, and you suspect the cold battery is at fault, turn the lights on. It’s somewhat counterintuitive but the current the lights draw may warm the battery up enough that it can now turn the engine over. It’s worked once for me, when I had a 1966 car. Never had a problem with the newer cars.

Clean spark plugs with the correct gaps, with not-too-old good quality leads will make a considerable difference. On some cars (N13 Pulsar I’m looking at you) one of the leads run so close to the exhaust manifold that it gets fried by the heat pretty quickly.

If you have points ignition, make sure they’re up to scratch (and the distributor cap as well).

Clown Killer10:01 am 06 Jul 09

I don’t think you can beat VYs advice. Poor or non starting has as much to to with vehicle condition and maintenance as it has to do with the cold. If you look after your car it shouldn’t be a problem.

For mine:

* newer the better (but well maintained older is just as good);
* keep servicing and maintenance up to date;
* garaging helps (a lot);
* start you car 10 minutes before it’s time to go and it will to nice and warm and frost free.

VYBerlinaV8_the_one_they_all_copy9:49 am 06 Jul 09

Hilarious. Make sure you service your car at the correct intervals, and just get in and turn the key…

For older vehicles, use the choke.

Cor…Where’d you score the handwarmers?

Turn the ignition?

Even our cranky old Mazda turns over with a little encouragement at that temperature. Has to be -10 before I worry…

In North America, you can buy radiator heaters. You put them in when you stop (before the engine cools down), and they hold the water temperature just above freezing point. Maybe you could get one on Ebay?

well, the car started first time this morning. Then i thought about the amount of time it would take to get the windscreen defrosted. At least i had my Water Saver Ice scraper, which arrived on Friday… Apparently, it was due in 2-3 weeks. The reason my old magna starts first go in the morning is that it has the coolant refreshed prior to summer and winter, and has plenty of oil and petrol. I also park it at an angle to catch the sun first thing, so the car was already de-icing.

Make sure your battery is in top condition…Nothing drains battery power like -x degrees cold..

Speaking from experience when the battery in my camera dies at -5 after about 3 minutes… Sure its a bit smaller – but the principal remains the same.

In Alaska, they keep heaters in their garages, my Ice Road Trucking (viewing) experience also tells me that they keep self warming jackets on the engines when not in use..Maybe someone can invent a Canberra version.

On a side, to keep your hands warm, I invested in these liquid fuelled hand warmers that kick serious butt… You put 20ml of zippo fluid in them and then spark them up..They operate for about 20 hours using a platinum catalyst and slow burn so no smoke/very low odour and roasty toasty at around 50-70 degrees.

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