Jack point on 09 997
01-19-2010, 08:08 AM
#16
If you have 2 floor jacks:
1. left 1 side of car with jack at rear jack point - slide stand under front jack point
2. Lift other rear with 2nd floor jack (1st jack still in place) - slide jack stand under front jack point on opposite side.
3. Lower 1st jack and place 3rd jack stand.
4. Leave 2nd jack in place, or remove and slide in last jack stand
1. left 1 side of car with jack at rear jack point - slide stand under front jack point
2. Lift other rear with 2nd floor jack (1st jack still in place) - slide jack stand under front jack point on opposite side.
3. Lower 1st jack and place 3rd jack stand.
4. Leave 2nd jack in place, or remove and slide in last jack stand
01-19-2010, 09:16 AM
#17
Advanced
Join Date: Nov 2001
Location: Maryland
Posts: 91
Likes: 0
Received 0 Likes
on
0 Posts
Fin Fever, I have thought of the similar solution as you have described but did not have the capability to make it. I have a four post lift with a central "bridge jack" with telescoping arms; however the arms do not come out far enough to reach the 997 jacking points. If I had the bar you described I would put the jack under it and life would be easy. Would you be willing to make two and sell one to cover your costs?
01-19-2010, 10:04 AM
#18
Instructor
Join Date: Oct 2009
Location: Libertyville, IL
Posts: 203
Likes: 0
Received 0 Likes
on
0 Posts
I am working on an alternate solution to the problem of jacking the car up by the jack-points and then putting it on jackstands.
1) 5 foot long of 2" by 2" (1/4" wall thickness) aluminum stock which is built up an additional half inch at its ends.
2) this aluminum "lifting bar" then has 3/4" holes drilled across each end of it at the exact distance as the front and rear lifting points on the 997.
3) a 3/4" piece of solid aluminum stock measuring 4 inches long is placed through each of the holes and welded in place, so that about 1 inch of it protrudes above the lifting bar, and another 1 inch section protrudes below.
4) I build a pair of custom aluminum fixed height jackstands (probably 1 foot tall) they will be on 1 foot square 3/8 thick aluminum plate bases. the top of the jackstands will have a flat aluminum pad with a 3/4 inch hole drilled through
OK, so here is the lifting procedure. Put the lifting bar under one side of the car with the 3/4" aluminum studs placed in the holes of the cars lifting points. Then put the floorjack under the middle of the lifting bar, closer to the rear, and lift the car up to 15 inches. Then place the jackstands under the 3/4" studs which point downwards, and lower the car onto the stands. (the stands should fit really nicely, because they would be flat on top to fit the flat undersurface of the lifting bar, and the stud from the lifting bar would engage the hole in the center-top of the jackstand, preventing slippage.
I have already purchased the materials and am ready to get started. One potential area of concern is if the lifting bar flexes enough to touch the rocker panel on the car, but I plan to just add on a truss to stiffen it)
I have posted all of this to see if anyone has done a similar project before, and also to see if I am missing something. any concerns? any comments?
once I have it done, I plan on making a more extensive post with some pictures to explain it better.
1) 5 foot long of 2" by 2" (1/4" wall thickness) aluminum stock which is built up an additional half inch at its ends.
2) this aluminum "lifting bar" then has 3/4" holes drilled across each end of it at the exact distance as the front and rear lifting points on the 997.
3) a 3/4" piece of solid aluminum stock measuring 4 inches long is placed through each of the holes and welded in place, so that about 1 inch of it protrudes above the lifting bar, and another 1 inch section protrudes below.
4) I build a pair of custom aluminum fixed height jackstands (probably 1 foot tall) they will be on 1 foot square 3/8 thick aluminum plate bases. the top of the jackstands will have a flat aluminum pad with a 3/4 inch hole drilled through
OK, so here is the lifting procedure. Put the lifting bar under one side of the car with the 3/4" aluminum studs placed in the holes of the cars lifting points. Then put the floorjack under the middle of the lifting bar, closer to the rear, and lift the car up to 15 inches. Then place the jackstands under the 3/4" studs which point downwards, and lower the car onto the stands. (the stands should fit really nicely, because they would be flat on top to fit the flat undersurface of the lifting bar, and the stud from the lifting bar would engage the hole in the center-top of the jackstand, preventing slippage.
I have already purchased the materials and am ready to get started. One potential area of concern is if the lifting bar flexes enough to touch the rocker panel on the car, but I plan to just add on a truss to stiffen it)
I have posted all of this to see if anyone has done a similar project before, and also to see if I am missing something. any concerns? any comments?
once I have it done, I plan on making a more extensive post with some pictures to explain it better.
Apply the KISS principle with due diligence and move on.
03-23-2011, 07:21 PM
#19
2nd Gear
Join Date: Aug 2010
Location: Memphis, TN
Posts: 2
Likes: 0
Received 0 Likes
on
0 Posts
I am a newbie to Porsche cars - bought my 2007 C4S about 6 months ago, and it's time to do the 4 year service and track prep for an upcoming DE. I've always done my own maintenance, but it will be more difficult with the Porsche given only 4 lift points and no available service manual. But, apart from that, I love the car.
I've been reading this thread to prepare for putting the car on 4 jack stands and I am nervous about jacking from the rear suspension members, although thankfully it has been well-documented and is easy to follow.
My question is: Has anyone ever heard of anyone ever breaking the aluminum suspension mount members just by lifting from the rear suspension points as discussed here? I have no idea how much weight these members can support, and I'd really hate to do any damage, as replacing these parts looks really difficult and expensive.
I've been reading this thread to prepare for putting the car on 4 jack stands and I am nervous about jacking from the rear suspension members, although thankfully it has been well-documented and is easy to follow.
My question is: Has anyone ever heard of anyone ever breaking the aluminum suspension mount members just by lifting from the rear suspension points as discussed here? I have no idea how much weight these members can support, and I'd really hate to do any damage, as replacing these parts looks really difficult and expensive.
03-23-2011, 07:30 PM
#20
Three Wheelin'
Another option: https://rennlist.com/forums/997-foru...e-use-4-a.html . If you do this often enough, these are worth it (having done it both ways).
03-23-2011, 08:56 PM
#21
Another option: https://rennlist.com/forums/997-foru...e-use-4-a.html . If you do this often enough, these are worth it (having done it both ways).
03-23-2011, 10:26 PM
#22
Saw a solution posted the other day that uses a floor jack and a slotted stanchion (sp)that slides around the jack after the car is lifted - the jack is relaxed and the car sits on the stanchion and the jack rolls free.
I'll try to locate the brand and costs....
I'll try to locate the brand and costs....
03-23-2011, 11:11 PM
#24
i've seen a bar that straddles 2 jack sockets on each side of the car before. I believe it was designed for the 993s, 928s, and 964s.
https://rennlist.com/forums/928-foru...tand-bars.html
I have the jackpoints mentioned in the thread above, It's a great quick way to get the car up on 4 stands quickly and securely.
https://rennlist.com/forums/928-foru...tand-bars.html
I have the jackpoints mentioned in the thread above, It's a great quick way to get the car up on 4 stands quickly and securely.
03-24-2011, 03:57 PM
#25
Former Vendor
Join Date: Dec 2010
Location: Chicago, IL
Posts: 224
Likes: 0
Received 0 Likes
on
0 Posts
I am a newbie to Porsche cars - bought my 2007 C4S about 6 months ago, and it's time to do the 4 year service and track prep for an upcoming DE. I've always done my own maintenance, but it will be more difficult with the Porsche given only 4 lift points and no available service manual. But, apart from that, I love the car.
I've been reading this thread to prepare for putting the car on 4 jack stands and I am nervous about jacking from the rear suspension members, although thankfully it has been well-documented and is easy to follow.
My question is: Has anyone ever heard of anyone ever breaking the aluminum suspension mount members just by lifting from the rear suspension points as discussed here? I have no idea how much weight these members can support, and I'd really hate to do any damage, as replacing these parts looks really difficult and expensive.
I've been reading this thread to prepare for putting the car on 4 jack stands and I am nervous about jacking from the rear suspension members, although thankfully it has been well-documented and is easy to follow.
My question is: Has anyone ever heard of anyone ever breaking the aluminum suspension mount members just by lifting from the rear suspension points as discussed here? I have no idea how much weight these members can support, and I'd really hate to do any damage, as replacing these parts looks really difficult and expensive.
There is a huge thread as mentioned in the 7/GT2/GT3 section about the stands as well.
From a guy that has spent countless hours under a car in a garage with the vehicle being held up by unstable and questionable means of support, these stand are really a lifesaver to me.
http://www.imgt3performance.com/jackpoint-jackstands/
Feel free to PM me if you would like more details.
Chuck
03-25-2011, 01:19 PM
#26
Without coming off as preachy- whatever you do to get the car off the ground, I'd throw a spare wheel under the car if you get under the car. If the car comes off the stands, it could save your live when the car lands on the wheel instead of your chest or head. A family friend was crushed by a Charger falling off the stands when I was a kid... it happens even to the most conscientious of us. This guy wasn't a hack, he was a safe and technical guy. It's hard to remember the danger when you've jacked a car 1000+ times but please do.
03-25-2011, 02:27 PM
#27
Former Vendor
Join Date: Dec 2010
Location: Chicago, IL
Posts: 224
Likes: 0
Received 0 Likes
on
0 Posts
Rich:
Agree 100% with you statement. My son lost a fraternity brother two years ago to the exact same thing. Was working on his F-Body Mustang and the car fell off the jack (was not properly using the stands) and killed him.
Chuck
Agree 100% with you statement. My son lost a fraternity brother two years ago to the exact same thing. Was working on his F-Body Mustang and the car fell off the jack (was not properly using the stands) and killed him.
Chuck
03-25-2011, 02:44 PM
#28
Rennlist Member
Without coming off as preachy- whatever you do to get the car off the ground, I'd throw a spare wheel under the car if you get under the car. If the car comes off the stands, it could save your live when the car lands on the wheel instead of your chest or head. A family friend was crushed by a Charger falling off the stands when I was a kid... it happens even to the most conscientious of us. This guy wasn't a hack, he was a safe and technical guy. It's hard to remember the danger when you've jacked a car 1000+ times but please do.
only good solution is a proper 4 point platform lift. it is not even that expensive to get one installed in an average garage.
other viable solution is this:
http://www.amazon.com/RhinoRamp-1200...1075142&sr=8-1
ramps should be at lest foot wide and able to support a tank.
03-25-2011, 06:41 PM
#29
Burning Brakes
it is a must. in my life I had 2 jacks to brake with my car on them, last incident I was saved exactly by a wheel I placed under an upright. everything that has load on it may brake, it is a rule of thumb.
only good solution is a proper 4 point platform lift. it is not even that expensive to get one installed in an average garage.
other viable solution is this:
http://www.amazon.com/RhinoRamp-1200...1075142&sr=8-1
ramps should be at lest foot wide and able to support a tank.
only good solution is a proper 4 point platform lift. it is not even that expensive to get one installed in an average garage.
other viable solution is this:
http://www.amazon.com/RhinoRamp-1200...1075142&sr=8-1
ramps should be at lest foot wide and able to support a tank.
I've read many threads where folks talk about using hockey pucks they have cut and modified to fit on top of a conventional jackstand to protect their cars. Here again is a calculated risk. Hockey pucks - especially if cut - can rip. They also distort when warm (like when left on hot pavement before use). I know because I used pucks the same way. Spend $1000 on mods for my car and risk my life to install them using a $20 jack stand and a puck.
In fairness there are many folks who can use that method and not risk their lives. There are many situations where a standard jack stand will get the job done. We're all living proof AND until recently, we didn't really have many alternatives.
However, with 2500 - 4000 lbs. in the air caution is the order of the day. Even when using my own jack stands I check and recheck. Many cars already have damaged jacking locations. Under those circumstances you have to be certain the contact point between the car and the jackstand is a secure fit.
Finally, the attorney for one of the largest manufacturers of jacks and jack stands in the country told me that over 95% of the jack stand "failures" are the result of the car slipping off the stand. The stand actually gets damaged by the falling car. I don't want to criticize any method someone chooses to support their car - from milk crates to Rotary lifts. I simply thought of another option to consider. Which ever method you choose - be safe.
03-26-2011, 03:27 PM
#30
2nd Gear
Join Date: Aug 2010
Location: Memphis, TN
Posts: 2
Likes: 0
Received 0 Likes
on
0 Posts
Thanks to all for the recommendations! I like those Jackpoint Jackstands and will probably order a set. This definitely seems less risky than jacking the rear from the suspension points and taking the chance of breaking something.
