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[joe diffy]

no_common_sense pm’d me this

My imagination is wandering off to something a lot less likely for your power problem. Next time you get down to a third of a tank, just try slowly cracking open the gas cap and listen while you open. I’d be listening for it to sound like it’s sucking in air. I’m kinda wondering if the EVAP vent is clogged somehow and you’re gradually getting a vapor lock in your fuel tank. It’s a shot in the dark, but worth a quick crack of the cap.

Good Luck

what do you guys think?

personally i would think any noise while taking off the gas cap would just be pressure being relieved.

[joe diffy]

no_common_sense pm’d me this

My imagination is wandering off to something a lot less likely for your power problem. Next time you get down to a third of a tank, just try slowly cracking open the gas cap and listen while you open. I’d be listening for it to sound like it’s sucking in air. I’m kinda wondering if the EVAP vent is clogged somehow and you’re gradually getting a vapor lock in your fuel tank. It’s a shot in the dark, but worth a quick crack of the cap.

Good Luck

what do you guys think?

personally i would think any noise while taking off the gas cap would just be pressure being relieved.

[joe diffy]

wow…can you even drive it?

[joe diffy]

wow…can you even drive it?

[joe diffy]

a little update on my adventures in tire vibrations.

I don’t want to declare victory too soon BUT I think i’ve solved the problem. I put the two new tires/rims on the drivers side of the car and put the old tires back on the passenger side. The reason why i did this is to see if the odd combination of a new tire on the front and old on the back was causing the vibration down the steep hill at 75+ mph. I shot down the same steep hill at about 80 mph and….no vibrations. I couldn’t believe it, so i turned around and went down it again…no vibrations. To me this says that it indeed was a tread/grip issue. however one thing that i failed to mention was that the steep hill i drove down was paved recently and was very smooth. i could tell this by the fact that the ass-fault was jet black and road noise was minimal when compared to the other parts of the road.

so anyone out there who just replaces their front tires and experiences this same exact thing take note.

on a side note i am very impressed with the bubble balancer i used to balance these tires. (note: getting bubble balancers to work tho can be tricky) It may not be as accurate as a computer balancer but it did the job for speeds up to 80 mph and given that the speed limit for the fastest road in america is 85 mph (it’s in texas I believe) i highly doubt i will need more precision.

thanks for all your help and unless i post in here again assume it all worked out

[joe diffy]

a little update on my adventures in tire vibrations.

I don’t want to declare victory too soon BUT I think i’ve solved the problem. I put the two new tires/rims on the drivers side of the car and put the old tires back on the passenger side. The reason why i did this is to see if the odd combination of a new tire on the front and old on the back was causing the vibration down the steep hill at 75+ mph. I shot down the same steep hill at about 80 mph and….no vibrations. I couldn’t believe it, so i turned around and went down it again…no vibrations. To me this says that it indeed was a tread/grip issue. however one thing that i failed to mention was that the steep hill i drove down was paved recently and was very smooth. i could tell this by the fact that the ass-fault was jet black and road noise was minimal when compared to the other parts of the road.

so anyone out there who just replaces their front tires and experiences this same exact thing take note.

on a side note i am very impressed with the bubble balancer i used to balance these tires. (note: getting bubble balancers to work tho can be tricky) It may not be as accurate as a computer balancer but it did the job for speeds up to 80 mph and given that the speed limit for the fastest road in america is 85 mph (it’s in texas I believe) i highly doubt i will need more precision.

thanks for all your help and unless i post in here again assume it all worked out

[joe diffy]

thanx for the reply

First –
by set the tire you mean balance? i’m pretty sure i mounted and inflated the tires correctly on the rims so it’s hard to think what else could be wrong other than the balance.

Second –
for the second point this whole problem may never even come up in my daily driving seeing as how i probably won’t be driving down steep hills at 75+ mph any way. i think the speed limit on the hill was about 65 mph so i may have been speeding a little to test it out. luckily no cops were around. is the speed limit for most very steep downhills in america below 75 mph? this vibrating condition may not ever occur without speeding.

[joe diffy]

thanx for the reply

First –
by set the tire you mean balance? i’m pretty sure i mounted and inflated the tires correctly on the rims so it’s hard to think what else could be wrong other than the balance.

Second –
for the second point this whole problem may never even come up in my daily driving seeing as how i probably won’t be driving down steep hills at 75+ mph any way. i think the speed limit on the hill was about 65 mph so i may have been speeding a little to test it out. luckily no cops were around. is the speed limit for most very steep downhills in america below 75 mph? this vibrating condition may not ever occur without speeding.

[joe diffy]

for the record when i feel the vibrations i am not braking at all. I am either coasting or accelerating down a very steep hill. I’m pretty sure it has nothing to do with the brakes.

one possibility i was considering is that since the front tires are new maybe they are gripping the road better/differently than the rear and causing the rear to skid a little which could cause the vibration.

another thing i think might be worth mentioning is that my old tires had sufficient tread left on them. The only reason why i was trying to change them is because they felt very spongy. like if i went around a corner the car would lean to one side slightly and if i shut the car door with a little force the car seemed to wobble back and forth a little.

i was also thinking of having both the new tires on the same side, one on the front and one on the back. if the vibration goes away then i would think this would tell me that it’s just a matter of replacing all the tires.

also the new rims i used are original ones. they look exactly like the ones that came on my car.

[joe diffy]

for the record when i feel the vibrations i am not braking at all. I am either coasting or accelerating down a very steep hill. I’m pretty sure it has nothing to do with the brakes.

one possibility i was considering is that since the front tires are new maybe they are gripping the road better/differently than the rear and causing the rear to skid a little which could cause the vibration.

another thing i think might be worth mentioning is that my old tires had sufficient tread left on them. The only reason why i was trying to change them is because they felt very spongy. like if i went around a corner the car would lean to one side slightly and if i shut the car door with a little force the car seemed to wobble back and forth a little.

i was also thinking of having both the new tires on the same side, one on the front and one on the back. if the vibration goes away then i would think this would tell me that it’s just a matter of replacing all the tires.

also the new rims i used are original ones. they look exactly like the ones that came on my car.

[joe diffy]

be sure to check the spark plugs for the proper gapping.

also you could index them as well for fun and increased performance. (indexing means installing the plugs so that the open end is facing the intake)

fuel filter?

[joe diffy]

be sure to check the spark plugs for the proper gapping.

also you could index them as well for fun and increased performance. (indexing means installing the plugs so that the open end is facing the intake)

fuel filter?

[joe diffy]

crank pulley holding tool? i bought one off of ebay was about 20-30 bucks

and a crazy idea would be to google the vin #. reason being is that some times the carfax’s can be found for free online and you can see if the timing belt being changed had ever been recorded.

this is kind of why i don’t like hondas…THEY ARE ALL INTERFERENCE ENGINES.

toyota people have it good

if it were me i would definitely start studying up on how to do the belt…better safe then sorry. it’s possible you may not need to change it right now but eventually you will right?

[joe diffy]

crank pulley holding tool? i bought one off of ebay was about 20-30 bucks

and a crazy idea would be to google the vin #. reason being is that some times the carfax’s can be found for free online and you can see if the timing belt being changed had ever been recorded.

this is kind of why i don’t like hondas…THEY ARE ALL INTERFERENCE ENGINES.

toyota people have it good

if it were me i would definitely start studying up on how to do the belt…better safe then sorry. it’s possible you may not need to change it right now but eventually you will right?

[joe diffy]

yes it is the same steep hill (it’s the only hill around here that’s that steep). i would blame it on the road but like i said my old tires and rims handled it just fine.

on a weird side note the vibrations changed depending on if i went down the hill in 5th or neutral(with the clutch pushed in/coasting)

i will try lowering the psi to see if that makes a difference and i will try rotating the front to the back.

however my old rear tires have been at 38 psi forever so would it be bad to lower it to 32 psi at this point.

it just seems like such a shame if it’s a balance issue because i got sooooo close to making it work with a bubble balancer.

PS: yeah i was really only able to get up to 70-75 mph on an uphill road in 4th gear (these fits are weak) but still there was no vibrations.

[Author]

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