Tire psi sensor canister
Thread Starter
Pro
Joined: Jul 2007
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From: Lynchburg VA
Tire psi sensor canister
Hey guys I have a CCW drag pack coming and will switch wheels often so i'm planning on making some type of canister to hold tire psi sensors and place it in one of the rear cargo compartments does anyone have any suggestions or a setup that has been used?
Team Owner
Joined: Dec 2003
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From: When all is said and done... there is a hell of a lot more said than done. Riverside,Texas
St. Jude Donor '05 thru '26
There was a thread on this some time back. I believe the guy used some 4" sch. 40 PVC with 1 glue on cap on one end and a threaded adapter plug on the other end with a schrader valve in the cap and the sensors inside. At least that's what I'd try.
Le Mans Master
Joined: Mar 2006
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From: Valencia '32 Ford 3 window with 615 HP!!!!
St. Jude Donor '06-'09
I just bought some CCW 18" wheels that I'll be using for the drags,but I bought an extra set of TPMS and will "re-learn" each time I switch wheels.
Won't that work the same for You?
George
Won't that work the same for You?
George
Thread Starter
Pro
Joined: Jul 2007
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From: Lynchburg VA
Drifting
Joined: Oct 2005
Posts: 1,549
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From: Roanoke Virginia
Here's what you do. Use the TPIS sensors already setup with the car. At a tire store have them pop open the tire and remove the sensors. Get a short section of 4" pvc pipe and two end caps. Securely glue one end on the pipe. I put three TPS sensors in a plastic bag and put them inside. I drilled the other cap so that I could use one TPS sensor to pressurize the container. Glue the cap on and purge it a few times to get rid of the toxic glue fumes. I store it in the trunk.
It has worked continuously since I made it.
Safety Car
Joined: Aug 2006
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From: Makena, Maui & NM
The only problem with that if and when you drop the tire pressures below 24psi...the sensors will pick up on that and at the minimum you get DIC error messages. At worst it may go into limp mode. The sensors in the cannister fools the computer into thinking the DR's got 30psi when in reality the DR's (that have no sensors) have 18psi.
Last edited by siffert; Apr 2, 2008 at 09:36 AM.
Burning Brakes
Joined: Jan 2003
Posts: 1,150
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From: League City tx
You dont need them for the dragstrip. The car will just show service traction control, but wont affect performance. I have done this MANY times with no ill effects. If your tire sizes are different, you will have to turn traction control off, but no limp mode ever for me. IMHO a waste of time , $$ and effort to worry about putting sensors in the rear of the car.
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Drifting
Joined: Oct 2005
Posts: 1,549
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From: Roanoke Virginia
You dont need them for the dragstrip. The car will just show service traction control, but wont affect performance. I have done this MANY times with no ill effects. If your tire sizes are different, you will have to turn traction control off, but no limp mode ever for me. IMHO a waste of time , $$ and effort to worry about putting sensors in the rear of the car.
In the end analysis, the owner has to do what works for him with his particular system. The only common element amongst them is frustration.
Safety Car
Joined: Aug 2006
Posts: 4,206
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From: Makena, Maui & NM
You dont need them for the dragstrip. The car will just show service traction control, but wont affect performance. I have done this MANY times with no ill effects. If your tire sizes are different, you will have to turn traction control off, but no limp mode ever for me. IMHO a waste of time , $$ and effort to worry about putting sensors in the rear of the car.
Race Director
Joined: Mar 2005
Posts: 11,549
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From: Southampton NJ
on my year 05 a4 i had the problem, xx xx and limp mode, so i put the sensors in my drs, then i got trans output sensor no reading from low tire pressure, limp mode. so the only answer was canister
Burning Brakes
Joined: Jan 2003
Posts: 1,150
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From: League City tx
???????? You may not need them, but pray tell, how do you know 100% that other folks wont need them? The only way I see that one 100% wont need them at the strip is if you bring your oem tires w/ sensors at the track along with your DR's. For you see, the car signals the sensors once per hour to see if they are there and working OK. I got limp mode before with no sensors and have no intention of my car going into limp mode on the track.
I have also driven several hours on the DR's on the street, turned the car off and on several times and never had any problems...just leave the traction control off and it has never given limp mode to me... do you really need traction control if you arent driving aggressively? No, 90% of the cars on the road dont have it anyway.
Burning Brakes
Joined: Jan 2003
Posts: 1,150
Likes: 2
From: League City tx
I wasnt aware of that...thanks for clarifying. Just seemed odd to me that 2 different cars of mine (different years even) behaved Exactly the same with no ill effect. I will never claim to be the end all answer, just based on my personal experiences! With time, we all have wisdom!! If it werent for the forum, i wouldnt know anything about the car I drive, but i believe that we never stop learning!
on another note, just got my 3.90 gears today, and drove around on my brand new drag radials to break them in, and was away from the sensors for over 4 hours ,with 2 starts in between, and still go Zero errors, no limp mode...only traction control kicked in because of the shorter tires (turned off the TC, and immediately drove perfect).
Thanks for the good info!
Daren
on another note, just got my 3.90 gears today, and drove around on my brand new drag radials to break them in, and was away from the sensors for over 4 hours ,with 2 starts in between, and still go Zero errors, no limp mode...only traction control kicked in because of the shorter tires (turned off the TC, and immediately drove perfect).
Thanks for the good info!
Daren
Safety Car
Joined: Aug 2006
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From: Makena, Maui & NM
on another note, just got my 3.90 gears today, and drove around on my brand new drag radials to break them in, and was away from the sensors for over 4 hours ,with 2 starts in between, and still go Zero errors, no limp mode...only traction control kicked in because of the shorter tires (turned off the TC, and immediately drove perfect).
Last edited by siffert; Apr 5, 2008 at 07:37 AM.
Race Director
Joined: Mar 2005
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From: Southampton NJ
"Traction Control Kicked In" = what you got was the "Active Handling" enabled message. This will put you into limp mode at speed over 55 mph or WOT. Yes, turning off TC (by hitting the button) in this circumstance will disable that "Active Handling" message but one cannot say for 100% certainy that it is in fact been 100% fully disabled in this circumstance. I am not going to chance that effecting on my ET at the strip, ergo my cannister.
i feel the best way is ah&tc off and you cant really get limp mode until you start getting great 60 fts i drove and started car 100 times over a couple month period and drove hundreds of miles. no xx xx 0r limp mode, but the first time i jumped on it hard all bets off
Burning Brakes
Joined: Jan 2003
Posts: 1,150
Likes: 2
From: League City tx
"Traction Control Kicked In" = what you got was the "Active Handling" enabled message. This will put you into limp mode at speed over 55 mph or WOT. Yes, turning off TC (by hitting the button) in this circumstance will disable that "Active Handling" message but one cannot say for 100% certainy that it is in fact been 100% fully disabled in this circumstance. I am not going to chance that effecting on my ET at the strip, ergo my cannister.
Actually, no it wasnt an active handling message, it specifically said traction control active, not active handling...I usually turn the TC and active handling off 1st thing, i just forgot on the way home.
And I did several pretty hard runs dennis, and still no probs.
But hey, each car could be different like someone else said. No big deal to me!
Race Director
Joined: Mar 2005
Posts: 11,549
Likes: 27
From: Southampton NJ
Actually, no it wasnt an active handling message, it specifically said traction control active, not active handling...I usually turn the TC and active handling off 1st thing, i just forgot on the way home.
And I did several pretty hard runs dennis, and still no probs.
But hey, each car could be different like someone else said. No big deal to me!
And I did several pretty hard runs dennis, and still no probs.
But hey, each car could be different like someone else said. No big deal to me!
Thread Starter
Pro
Joined: Jul 2007
Posts: 740
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From: Lynchburg VA
Hey guys my canister is finished and in the car for about a week now and every so often i'll get a service tire moniter on the dic and the XX XX but it will go back after a will to being fine. Canister in located in the rear pass compartment. Has anyone else had this issue.