Tire pressure low on cold days / fill every week

Like you said in the title. The cold does have an affect on the air pressure in the tires of any and all vehicles. If you feel that there may be a leak your dealer should be able to test them for any and all leaks for you. I hope you don't have a leak and it's just the cold weather. Let us know if you find out which is happening to you.

Jeff Morris, GMC Customer Service
 
Cheaper way that going to a dealer? If you have a pool where you live, go put it in the pool and look for bubbles. don't need to put it in the deep end, just deep enough to cover about half the tire, and just spin it. had always worked for me.
 
2008 gmc sierra 1500 tire must have a slow leak I fill at least once a week

You probably have a nail or something in the tire. Take it to tire shop and they will find it. PS-Don't let them put a plug in it, break down the tire and place a patch is the only way to repair it.
 
The tire pressure indicator on the dash is a pain as well...even with no major change in temp it comes on and when I check the pressure its always spot on! Stupid sensors!
 
You have the Furd Exploder to thank for that. All the Firestone tire problems prompted our elected officials to mandate Tire pressure monitors (TPM) on all vehicles. Friend is a asst service manager and he says the TPM's are a constant nuisance for them, especially with the elderly as it really upsets them to have that warning on for no apparent reason other than a over sensitive monitor. They have replaced so many they stock them like the stock wheel weights for balancing tires. He says some just don't seem to work and they just have to replace them or else the customer gets po'd.
 
Cheaper way that going to a dealer? If you have a pool where you live, go put it in the pool and look for bubbles. don't need to put it in the deep end, just deep enough to cover about half the tire, and just spin it. had always worked for me.

An even easier way if you don't want to take the tire off of the truck is to get someone in the drivers seat and roll back or forth extremely slowly. check to see if you have a nail or anything else in it (I once took out one full handle from a pair of pliers from a tire). If you don't see anything obvious, fill a spray bottle with soap and water, then as your driver is rolling very slowly, spray the entire tire - if you have a leak in the tire you will notice bubbles forming. Don't forget to spray around the outer edge of the rim on both sides, as well as the valve stem. Since you only need to add air once a week, the bubbles won't form very rapidly so it may take a minute before you notice any amount of bubbles forming. If it does happen to be a nail or something else small then you can go to your local wal-mart or any auto parts store and pick up a tire repair kit and just put a plug in it (the kit will probably have instructions - if not then Google it). You, however, shouldn't put a plug in a hole that is within one inch of the side-wall of the tire. Goodluck! :D


The tire pressure indicator on the dash is a pain as well...even with no major change in temp it comes on and when I check the pressure its always spot on! Stupid sensors!

If you have this problem, you can look in your owners manual of your truck and it will tell you how to reset your tire sensors. There is ususally a bit of a proceedure to doing this so just take your time and read the full proceedure carefully before beginning.


You probably have a nail or something in the tire. Take it to tire shop and they will find it. PS-Don't let them put a plug in it, break down the tire and place a patch is the only way to repair it.

The bolded part is not true. Plugs have been proven to be effective and are used very often, however, patches ARE a more reliable fix. And Plug-Patches are even better, but it's all about preference, in my opinion. The plug option can also be done without taking the wheel off of the vehicle.
 
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