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Get Recommended PSI before you go to that "kazeem vulcanizer". - Car Talk (2) - Nairaland

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Re: Get Recommended PSI before you go to that "kazeem vulcanizer". by nurey(m): 12:24pm On Oct 12, 2015
Since I have joined cartalk, I have been more informed. Just check your door hinges, the recommended tyre pressure is there for my sienna 1st generation is 30 and when loaded 32 for both cool and snowy season.

When I got my Almera 2000 N16, I just had to find out online and it was also in the Haynes manual I got it stated as 29. But what I notice is 30 ain't good for Nigerian roads you will have to constantly inflate like every 2days, I think this is due to potholes which affect the tyre valve making it to leak constantly, just my guess. So what I do is pump to 35 on my cars since the tyre can take 50 to 55 psi so atmost the highest PSI I will get after the hustle is 45 there about.

This is just a school of thought I follow and has worked for me, the worst is a negligible decrease in mpg. If you use 45 to 50psi, that is a suicide mission you embarking on cause the air will increase as it gets hot, once it exceeds the tires total psi volume you will just hear a GBOUA sound, you know the rest.
Re: Get Recommended PSI before you go to that "kazeem vulcanizer". by Nobody: 1:01pm On Oct 12, 2015
nurey:
You will just hear a GBOUA sound, you know the rest.

Man! This really got me laughing my head off, I can still see people glaring at me, haha. GBOUA! cheesy cheesy grin grin
Re: Get Recommended PSI before you go to that "kazeem vulcanizer". by NoQualms1(f): 1:26pm On Oct 12, 2015
Siena:


Again...you can't go by the size of a car to determine correct tyre pressure. I doubt this car in question is recommended to run tyre pressures that high, but...

My car's recommended tyre pressures are 36psi unladen, and 42psi with 4 adults on board. It's an '00 Audi A4 2.8 V6 Quattro Sport.

Does it mean you gauge your tires when there'll be people on board and gauge again when there won't be people on board?
Re: Get Recommended PSI before you go to that "kazeem vulcanizer". by Emmaxmusic(m): 1:31pm On Oct 12, 2015
Hello what is the psi for nissan pathfinder 98
Re: Get Recommended PSI before you go to that "kazeem vulcanizer". by Nobody: 2:13pm On Oct 12, 2015
NoQualms1:


Does it mean you gauge your tires when there'll be people on board and gauge again when there won't be people on board?

Yes. That is the correct way to do things, and that is why 2 or more tyre pressure data is given by manufacturers.
Re: Get Recommended PSI before you go to that "kazeem vulcanizer". by Nobody: 2:17pm On Oct 12, 2015
Emmaxmusic:
Hello what is the psi for nissan pathfinder 98

Bro, the most accurate data is that given by your vehicle manufacturer.

It will be on a data sticker, located in the driver's or passenger's door shut area. Please look for it, and go with whatever it says. No one knows better than Nissan does.
Re: Get Recommended PSI before you go to that "kazeem vulcanizer". by Ikenna351(m): 2:49pm On Oct 12, 2015
donshaddow:
Hello house, I read on a thread about a guy who changed his tire and his vehicle refused to start.

I will be willing to give you a recommended PSI for you vehicle to ease your safety and that of other road users.

Before you go to that "Kazeem vulcanizer" and he will tell you to put 45 psi
.

Year:
Make:
Model:

Have a safe trip.

There is something in Auto Industry called Specifications which contradicts the above post and title of this thread.

We have Peugeot 406s produced in 2001. They are all have different recommended Tyre sizes and Tyre pressures. Some came with Steel wheels, while some have Alloy wheels from factory. Some have R15, while some have R16. Some have size 195/65, some 205/60 and some 205/55. The same way they all have different recommended Tyre psi. The same goes with Peugeot 407, 607, etc.

Each Peugeot car has recommended wheel sizes, Tyre sizes and psi stamped on each. That is the way to go, for me. Pay attention to your car to learn this things, because not all free information found online serves one.

Ikenna, the Lion King.
Re: Get Recommended PSI before you go to that "kazeem vulcanizer". by ukata16(m): 2:56pm On Oct 12, 2015
@siena please with a tire inscription of 195/65R15 91T and my gauge of 30psi written on the car door,my tire is not well pumped until the Guage is 45.
Is it a different measurement or is the 45 as in psi?
Re: Get Recommended PSI before you go to that "kazeem vulcanizer". by Nobody: 3:06pm On Oct 12, 2015
ukata16:
@siena please with a tire inscription of 195/65R15 91T and my gauge of 30psi written on the car door,my tire is not well pumped until the Guage is 45.
Is it a different measurement or is the 45 as in psi?

How do you know the tyre is not well pumped till 45 psi, when your manufacturer clearly states 30 psi is recommended?
Re: Get Recommended PSI before you go to that "kazeem vulcanizer". by nurey(m): 3:17pm On Oct 12, 2015
Siena:


How do you know the tyre is not well pumped till 45 psi, when your manufacturer clearly states 30 psi is recommended?

The problem I noticed is when you change tyre size to be bigger, when I mean bigger let's say factory fitted is 195/65/R15 and then one upgrades to 205/70/R15 when you use the recommended of 30psi, the tyre will not be well rounded, the part touching the ground will have more flat surface hence the reason for the guys question. People guage tires when it is well round which I noticed makes the car bounce like snopp doggs pimped ride, very very bad indeed
Re: Get Recommended PSI before you go to that "kazeem vulcanizer". by adanny01(m): 3:26pm On Oct 12, 2015
2003 Honda Accord LX- because i sometimes carry passengers without planning to, i averagely inflate my tires at 35psi.

I had a serious arguement with a manager of a service bay in a popular filling station in Abj. This guy was too full of himself. Though their wheel balancing and alignment is usually good but they insist on inflating tire to 40psi. One time i insisted he does as i instructed but the guy told me "you dont know anything".

I had to show him what was written on the door and tire (inflate to 40psi max which had a corresponding maximum weight). The guy saw that as a justification for what they do. I told him max stands for maximum, and cars have different weight and pressure specifications so the warning on the tire means if a car specifies above 40psi, this tire is not suitable for the car.

The man wont have anything i said and wont budge after insisting that he should treat my property as ordered. He went ahead without my consent to inflate to 40. I told him he wasted his energy as i would stop by their gate were a road side vulcanizer is to deflate to what i want and he cant stop me.

I prefer roadside mechanics to the high end so called mechanics that always take me for a fool even when i know they are lounging in ignorance. Roadside mechanics do as ordered with no questions asked but those ones manning expensive equipment think the know all.

Re: Get Recommended PSI before you go to that "kazeem vulcanizer". by donshaddow(m): 3:32pm On Oct 12, 2015
Ikenna351:


There is something in Auto Industry called Specifications which contradicts the above post and title of this thread.

We have Peugeot 406s produced in 2001. They are all have different recommended Tyre sizes and Tyre pressures. Some came with Steel wheels, while some have Alloy wheels from factory. Some have R15, while some have R16. Some have size 195/65, some 205/60 and some 205/55. The same way they all have different recommended Tyre psi. The same goes with Peugeot 407, 607, etc.

Each Peugeot car has recommended wheel sizes, Tyre sizes and psi stamped on each. That is the way to go, for me. Pay attention to your car to learn this things, because not all free information found online serves one.

Ikenna, the Lion King.

Thanks so much Lion King!
Re: Get Recommended PSI before you go to that "kazeem vulcanizer". by kingreign(m): 3:34pm On Oct 12, 2015
adanny01:
2003 Honda Accord LX

I had a serious arguement with a manager of a service bay in a popular filling station in Abj. This guy was too full of himself. Though their wheel balancing and alignment is usually good but they insist on inflating tire to 40psi. One time i insisted he does as i instructed but the guy told me "you dont know anything".

I had to show him what was written on the door and tire (inflate to 40psi max which had a corresponding maximum weight). The guy saw that as a justification for what they do. I told him max stands for maximum, and cars have different weight and pressure specifications so the warning on the tire means if a car specifies above 40psi, this tire is not suitable for the car.

The man wont have anything i said and wont budge after insisting that he should treat my property as ordered. He went ahead without my consent to inflate to 40. I told him he wasted his energy as i would stop by their gate were a road side vulcanizer is to deflate to what i want and he cant stop me.

I prefer roadside mechanics to the high end so called mechanics that always take me for a fool even when i know they are lounging in ignorance. Roadside mechanics do as ordered with no questions asked but those ones manning expensive equipment think the know all.

I guess its that new tyre/wheel balancing stand opposite Kubwa NNPC.
Re: Get Recommended PSI before you go to that "kazeem vulcanizer". by donshaddow(m): 3:35pm On Oct 12, 2015
adanny01:
2003 Honda Accord LX

I had a serious arguement with a manager of a service bay in a popular filling station in Abj. This guy was too full of himself. Though their wheel balancing and alignment is usually good but they insist on inflating tire to 40psi. One time i insisted he does as i instructed but the guy told me "you dont know anything".

I had to show him what was written on the door and tire (inflate to 40psi max which had a corresponding maximum weight). The guy saw that as a justification for what they do. I told him max stands for maximum, and cars have different weight and pressure specifications so the warning on the tire means if a car specifies above 40psi, this tire is not suitable for the car.

The man wont have anything i said and wont budge after insisting that he should treat my property as ordered. He went ahead without my consent to inflate to 40. I told him he wasted his energy as i would stop by their gate were a road side vulcanizer is to deflate to what i want and he cant stop me.

I prefer roadside mechanics to the high end so called mechanics that always take me for a fool even when i know they are lounging in ignorance. Roadside mechanics do as ordered with no questions asked but those ones manning expensive equipment think the know all.

God bless you for your contribution... Please stand by recommendation from manufacturers.
Re: Get Recommended PSI before you go to that "kazeem vulcanizer". by adanny01(m): 3:37pm On Oct 12, 2015
kingreign:


I guess its that new tyre/wheel balancing stand opposite Kubwa NNPC.

No.

Tonsjos, Zuba
Re: Get Recommended PSI before you go to that "kazeem vulcanizer". by kingreign(m): 3:40pm On Oct 12, 2015
adanny01:


No.

Tonsjos, Zuba
OK.

Because na same nonsense them dey do for that tyre alignment stand for kubwa
Re: Get Recommended PSI before you go to that "kazeem vulcanizer". by donshaddow(m): 3:43pm On Oct 12, 2015
NoQualms1:


Does it mean you gauge your tires when there'll be people on board and gauge again when there won't be people on board?

Exactly same question I'd wanted to ask.
Re: Get Recommended PSI before you go to that "kazeem vulcanizer". by donshaddow(m): 3:49pm On Oct 12, 2015
Siena:


If there is a brand I know like the back of my hand, it's the VAG brand.

My cars are all Quattro, and the tyre pressures differ from those of FWD models. I go by the values in my Owner's Manual, also repeated in the fuel filler flap.

No one knows the best settings for a particular model better than the manufacturers themselves. It would appear you know better than Audi themselves. I repeat - there are several factors that determine the optimum tyre pressure settings for a vehicle. Mass in service is just one of them.

Here is the inside of the fuel filler flap of one of my vehicles. This is a 2000 Audi A4 2.5 V6 TDI Quattro:




Thanks for the education. the best bet is to check on the gauge cap.... I believe it will be same as this...
Re: Get Recommended PSI before you go to that "kazeem vulcanizer". by donshaddow(m): 3:52pm On Oct 12, 2015
ukata16:

Thanks vut pleas can you explaain 'H 29 29 S' and 'V 32 30 S, V 30 30'
Cos my vulcanizer always says my gauge is 45- wonering if it's the same measuring equipment

Its the rim size.... Each psi differ from rim...

I posted different recommended rim for ur car and the psi to each rim.
Re: Get Recommended PSI before you go to that "kazeem vulcanizer". by adanny01(m): 3:52pm On Oct 12, 2015
donshaddow:


God bless you for your contribution... Please stand by recommendation from manufacturers.

I go above but certainly not 40psi

Front i usually have 32-35psi as acceptable range while back is 30-32psi. Most times when i guage tires, i would have dtiven so as expected pressure increases with higher temp. So when i guage 35psi i expect that when cold as recommended will be close to recommended.

Manufacturers recommendation or less than that the tire looks under deflated for my liking and a little effect i feel on the steering while on high speeds especially while making corners.
Re: Get Recommended PSI before you go to that "kazeem vulcanizer". by donshaddow(m): 3:53pm On Oct 12, 2015
fanex:
one clown put 50 in my tires over the weekend. i had to pay additional 200 to reduce them all to 35psi. Rubbish






50psi

I don die... Na tractor?

1 Like

Re: Get Recommended PSI before you go to that "kazeem vulcanizer". by donshaddow(m): 3:55pm On Oct 12, 2015
adanny01:


I go above but certainly not 40psi

Front i usually have 32-35psi as acceptable range while back is 30-32psi.

Manufacturers recommendation or less than that the tire looks under deflated for my liking and a little effect i feel on the steering while on high speeds especially while making corners.

Perfect, still within recommended limit.
Re: Get Recommended PSI before you go to that "kazeem vulcanizer". by Nobody: 7:23pm On Oct 12, 2015
nurey:


The problem I noticed is when you change tyre size to be bigger, when I mean bigger let's say factory fitted is 195/65/R15 and then one upgrades to 205/70/R15 when you use the recommended of 30psi, the tyre will not be well rounded, the part touching the ground will have more flat surface hence the reason for the guys question. People guage tires when it is well round which I noticed makes the car bounce like snopp doggs pimped ride, very very bad indeed

The portion of the tyre in contact with the road is NOT meant to be round. It is meant to have a flatter, bulgier profile. This is what provides the "footprint", so to speak. If it is completely round, then that tyre is over inflated.

The flat footprint is what provides grip. Remove that flat area, and the contact patch becomes smaller, and grip, both forwards / backwards and lateral (sideways) will reduce. That flat section you appear to have issues with is important. Even a 18-wheel rig has a flat portion where it makes contact with the road.

Over inflated tyres will:

Reduce steering self-centre effect. Resulting in more driver input to return the wheel to straight ahead after making a turn.
Cause lateral stability issues. More likely to slide sideways if a turn is taken at moderate speeds.
Cause reduced braking, braking distances will be longer.
Give a harsh, bouncy ride. More shock damage to suspension load-bearing areas of the chassis.
Increase tyre wear in the centre of the tyre tread.

205/70x15 is the wrong size tyre for the average sedan. That is the size that comes on a Toyota Hilux IF it has factory 6"x15" steel wheels.

Another aspect worth noting - a larger, lower profile tyre MOSTLY runs LESS pressure than a smaller, higher profile tyre, fitted to the SAME car. An example:

2014 Toyota Prius, 195/65x15: 36 psi.
2014 Toyota Prius, 225/45x17: 32 psi.

An Okada (100 - 250cc engine) has skinny tyres. These require greater tyre pressures than the average family sedan to be anywhere safe to ride. Typically 36 - 44 psi, depending on model and bike manufacturer's recommendation. We're talking about a bike that weighs around 165 kilos with an average size adult.

I'm beginning to see the relationship between the all too frequent RTA's in Nigeria. Running tyre pressures approx. 3-4 psi above the manufacturer's recommendation MAY not be dangerous. Running 8 psi and higher WILL make a marked difference to the way a vehicle behaves, and I'm not talking positive differences. Tyres pressures are also set based upon the sort of suspension fitted to the vehicle in question.

My apologies for digressing here, but once you delve further into why vehicle manufacturers recommend certain tyre pressures, it is difficult not to seemingly digress. Keen technicians who understand the dynamics of a motor vehicle WILL however make the connection.

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Re: Get Recommended PSI before you go to that "kazeem vulcanizer". by donshaddow(m): 6:12pm On Oct 13, 2015
Siena:


The portion of the tyre in contact with the road is NOT meant to be round. It is meant to have a flatter, bulgier profile. This is what provides the "footprint", so to speak. If it is completely round, then that tyre is over inflated.

The flat footprint is what provides grip. Remove that flat area, and the contact patch becomes smaller, and grip, both forwards / backwards and lateral (sideways) will reduce. That flat section you appear to have issues with is important. Even a 18-wheel rig has a flat portion where it makes contact with the road.

Over inflated tyres will:

Reduce steering self-centre effect. Resulting in more driver input to return the wheel to straight ahead after making a turn.
Cause lateral stability issues. More likely to slide sideways if a turn is taken at moderate speeds.
Cause reduced braking, braking distances will be longer.
Give a harsh, bouncy ride. More shock damage to suspension load-bearing areas of the chassis.
Increase tyre wear in the centre of the tyre tread.

205/70x15 is the wrong size tyre for the average sedan. That is the size that comes on a Toyota Hilux IF it has factory 6"x15" steel wheels.

Another aspect worth noting - a larger, lower profile tyre MOSTLY runs LESS pressure than a smaller, higher profile tyre, fitted to the SAME car. An example:

2014 Toyota Prius, 195/65x15: 32 psi.
2014 Toyota Prius, 225/45x17: 36 psi.

An Okada (100 - 250cc engine) has skinny tyres. These require greater tyre pressures than the average family sedan to be anywhere safe to ride. Typically 36 - 44 psi, depending on model and bike manufacturer's recommendation. We're talking about a bike that weighs around 165 kilos with an average size adult.

I'm beginning to see the relationship between the all too frequent RTA's in Nigeria. Running tyre pressures approx. 3-4 psi above the manufacturer's recommendation MAY not be dangerous. Running 8 psi and higher WILL make a marked difference to the way a vehicle behaves, and I'm not talking positive differences. Tyres pressures are also set based upon the sort of suspension fitted to the vehicle in question.

My apologies for digressing here, but once you delve further into why vehicle manufacturers recommend certain tyre pressures, it is difficult not to seemingly digress. Keen technicians who under the dynamics of a motor vehicle WILL however understand.

That's why you the boss!

I bow for you.. Well articulated article!

Thanks for your seamless contribution.
Re: Get Recommended PSI before you go to that "kazeem vulcanizer". by captain2014: 8:21pm On Oct 14, 2015
Toyota Aurion 2008
Re: Get Recommended PSI before you go to that "kazeem vulcanizer". by donshaddow(m): 9:43am On Oct 15, 2015
captain2014:
Toyota Aurion 2008



Front Inflation: 30
Rear Inflation: 30

Both P215/60R16


Pls, also check inside of the fuel filler flap.

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