Author Topic: The Car Maintenance and Repair Thread  (Read 19237 times)

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Online The Latinist

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Re: The Car Maintenance and Repair Thread
« Reply #330 on: August 30, 2019, 11:52:56 AM »
Are you sure that's gas vapor coming out and not vacuum pressure releasing?  You will still smell a an odor of gas when you unscrew your cap regardless.
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Offline Desert Fox

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Re: The Car Maintenance and Repair Thread
« Reply #331 on: August 30, 2019, 01:08:38 PM »
On my '94 Honda Civic there is an audible 'hiss" when you unscrew the gas cap.  That's the way it's always been since I bought it new. While the whole EEC system is pretty passive it can cause a check engine light if something is not working as expected. but if it's the "hiss" that you hear, that you have concerns about? That's normal on my car, I just open the cap slow, stop when it hisses and then open it the rest of the way when it stops one sec later.

My 2001 Mustang threw codes for this and found out that the gas fill line rusted out.
Did not out what the problem until I had to replace the fuel pump.
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Offline HighPockets

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Re: The Car Maintenance and Repair Thread
« Reply #332 on: August 30, 2019, 01:41:30 PM »
Are you sure that's gas vapor coming out and not vacuum pressure releasing?  You will still smell a an odor of gas when you unscrew your cap regardless.

That's a good point. The only time I unscrew the cap is at a gas station, so there's always a slight smell of gasoline in the air.  :)
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Offline stands2reason

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Re: The Car Maintenance and Repair Thread
« Reply #333 on: September 16, 2019, 06:38:10 PM »
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Offline Alex Simmons

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Re: The Car Maintenance and Repair Thread
« Reply #334 on: September 16, 2019, 11:44:07 PM »
The remote door lock no longer unlocks my front driver side door. It locks OK but doesn't unlock with the key remote. It unlocks OK using the key in the door. I've watched videos on this repair but it's beyond me, so my trusty service centre will get one last job to do.

I say one last job as it's time to move on. I love this old Golf but it's just no longer suitable for our needs and it's time for updating to a bit of luxury.

So I'll be shopping for a (near) new car soon. It'll be an SUV as we are located rural now, I bought the Golf when I was living in the city. Next car will be 4WD to cope with towing a trailer up our steeper section of gravel drive. SUV because the wife is learning to drive and she prefers to be sitting a bit higher up from the ground, so I'm compromising a little. Else I'd get a nice performance wagon.

Been testing various cars and so far the Mercedes Benz GLC250 is my current fave.

The Golf I hope can go to a good home. It's a great car and runs really well.

Offline drwfishesman

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Re: The Car Maintenance and Repair Thread
« Reply #335 on: September 17, 2019, 07:57:41 AM »
If your brakelights stay on after you turn off the car, remove the proper fuse, then inspect under steering column to make sure the brake switch is not loose. The spring loaded push button of the brake switch should sit in a recess on the brake pedal arm. When the brakes are pushed the button releases and turns on the brake lights, when your foot is off the brake the plate should press the button and turn off the brake lights. Easy fix for a common problem.

That is all.
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Offline superdave

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Re: The Car Maintenance and Repair Thread
« Reply #336 on: September 17, 2019, 12:48:02 PM »
so do those little caps on the tire valve actually do anything?  I noticed mine was missing and the tire pressure in that tire was low.
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Offline xenu

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Re: The Car Maintenance and Repair Thread
« Reply #337 on: September 17, 2019, 01:40:37 PM »
so do those little caps on the tire valve actually do anything?  I noticed mine was missing and the tire pressure in that tire was low.

I think you answered your question in the second sentence.
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Offline Alex Simmons

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Re: The Car Maintenance and Repair Thread
« Reply #338 on: September 17, 2019, 03:49:30 PM »
so do those little caps on the tire valve actually do anything?  I noticed mine was missing and the tire pressure in that tire was low.

I think you answered your question in the second sentence.

A valve cap's job is to keep dust/dirt/grime out of the valve end so that when you are inflating the tyre you don't blow that crud inside the tyre and foul the inside of the valve mechanism (which can then result in the valve not sealing properly and leaking). Else they make no difference to whether a tyre maintains air pressure.

Offline superdave

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Re: The Car Maintenance and Repair Thread
« Reply #339 on: September 17, 2019, 09:27:02 PM »
so do those little caps on the tire valve actually do anything?  I noticed mine was missing and the tire pressure in that tire was low.

I think you answered your question in the second sentence.

I cannot disconfirm the role of the cap in losing air pressure but the nail the mechanic found probably played a larger role.
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Online The Latinist

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Re: The Car Maintenance and Repair Thread
« Reply #340 on: September 17, 2019, 09:31:05 PM »
so do those little caps on the tire valve actually do anything?  I noticed mine was missing and the tire pressure in that tire was low.

I think you answered your question in the second sentence.

Those caps do not keep air in the tire; their purpose is to protect the valve and perhaps to prevent accidentally pressing it and releasing air.
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Offline xenu

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Re: The Car Maintenance and Repair Thread
« Reply #341 on: September 17, 2019, 10:08:07 PM »
so do those little caps on the tire valve actually do anything?  I noticed mine was missing and the tire pressure in that tire was low.

I think you answered your question in the second sentence.

Those caps do not keep air in the tire; their purpose is to protect the valve and perhaps to prevent accidentally pressing it and releasing air.

If there is a rubber lining in the cap it should keep the air in. I was taking the tire pressure on a 767 and took the cap off and the tire started leaking from the stem. The valve core had backed out and just needed to be screwed back in. If the cap wasn't there the tire would have been really low.
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