Air Pressure Warning

it's not supposed to come on unless the tire pressure drops 25% of the threshold

if it comes on regularly maybe one of your tires has a leak

its a federal requirement of all cars since 2007, i think

read your manual, after you top off the tires, i think your supposed to press and hold the tire set light until the light flashes to reset the monitoring system.

 

I have a tire that is a slow leaker. Have looked for a nail-screw etc. haven't found anything, put a little spit on the valve core and it doesn't leak either. Could just be the tire didn't seal on the rim.

Have newer tires (07) on the van and experienced the same thing and found a nail. I really like the indicator. The wife does most of the driving and doesn't check, Have had a tire or two run low in the past that needed replacement.

Hope you find your problem.

 

I had a car with a bad wheel one time. The tire lost about 3 or 4 lbs per week. Had value stems replaced and even glue the tire to the rim with rubber cement to be sure that it had sealed, this worked on a old car I had in college. New tires did not work either. I tried a tube adn that worked but radials like to pinch the tube. Had to replace all 4 because the warrenty had run out plus the new ones look much better.

 

Had to take emery cloth after the inside ridge of my 08 caravan mag wheels to get a new seal. It's like they become pitted.

 

This is one of the problems with alloy wheels. They don't rust, but they corrode. It's one of the main reasons that many people don't like to use the same wheels for both summer and winter tires. The seal area gets beat up, and slow leaks develop.

Tom

 

Beats the heck out of an internally rusted steel wheel though. I had a used car with rusted steel wheels once. The leak rate was enormous when I had new tires mounted, so I had to buy new wheels.

 

I just read that the Goodyear tires that came on my Basic '07 are known leakers and need to be checked for pressure regularly. I found this out shopping for tires for it today. Wish I'd known that before the treads wore out on the outside edges. But, I did manage to get the 40K miles out of them that they are warrantied for. Any one know of a good tire to replace them with?

 

The Integrities? Known leakers? I must have missed this. My 20 month old '07 with integrities has never lost any air. Maybe I'm just lucky.