Spare tire solution
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Thread: Spare tire solution

  1. #1
    Join Date
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    Default Spare tire solution

    For anyone that doesn't like the idea of not having a spare for long trips, I found a cheap solution:

    A 1st Generation Cadillac CTS spare tire and an Impala jack from eBay.

    The total cost was around $90 shipped from eBay, and I am sure I can re-eBay them when I sell the Volt for close to what I paid.

    I don't believe an Impala spare would clear the front brake calipers. The CTS spare looks tailor made for the Volt's clearance.

    The spare is extremely light weight and while being small in diameter, the car drove fine on my test drives and will have no problem getting you off the side of the road to a tire repair shop. The existing rubber trunk mat will keep the spare from sliding around with other luggage.

    The jack is designed to hold securely on the pinch weld and the crow bar fits the lug nuts perfectly. Although I personally have to carry 5 of the original lug nuts because the lug nuts for my new rims are much smaller. And I have to carry the security key that you see in the pics with me.

    I won't keep the spare in the trunk for around town driving since I don't mind a tow around town or asking a friend/relative to pick up my spare and bring it me, but I don't want to be stranded in the middle of nowhere waiting for potentially hours to get a tow.

    Having the spare on the car really makes me appreciate the size of my 18' rims. It looks strange with that tiny tire on there.

    P1080756 (Medium).jpgP1080767 (Medium).JPGP1080755 (Medium).JPGP1080774 (Medium).jpgP1080752 (Medium).jpg
    Last edited by voltage692; 09-28-2011 at 06:20 PM.
    -----------------------------------------------
    Volt #947 Delivered on 2/25/11 -- Sold!
    240V Blink Installed 10/28/11 -- Returned!
    2011 Jaguar XF White
    2011 Jaguar XF Gray
    1998 Lotus Esprit V8 TT
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  2. #2
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    Default

    Nice work Voltage. It's good to know we have options for long trips.
    Jimmy Hidden Content Vin# B-3514 06/09/2011 (6000) Vehicle delivered to customer

  3. #3
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    Default

    Thanks for the pics!

    It looks like there may be a bunch of Cadillac 16x5 spares containing a 5x115 bolt pattern with "high offset" and a 70.3 center bore that would fit, based on these lug/offset charts: http://lugpattern.net/Cadillac_Bolt_Patterns.htm and http://www.discountedwheelwarehouse...._Reference.cfm

    It seems that the Eldorado 86-98 would be a full sized (16") spare, but they seem to be an extinct animal.

    MODEL YEAR O.E. WHEEL SIZE
    ALLANTE 87-93 15x6
    CTS 03-UP 15x6
    DEVILLE & DTS 93-UP 15x6
    ELDORADO 86-98 16x7* The spare tire is a T125/70 R16 96m
    ELDORADO 99-98 16x7 R15 spare
    FLEETWOOD FWD 85-93 14x6
    BROUGHAM FWD 85-UP 14x6
    SEVILLE & STS 86-UP 14x6
    Last edited by Steverino; 07-09-2011 at 11:16 AM.
    2011 Cyber Gray, Std Wheels, Black Leather/White Console, Bose, Nav, Htd Seats, Park Assist. Picked up May 2011
    B3320
    Best All Electric Miles: 54.2
    Lifetime: 85,558 miles, 125 MPG, Remaining Oil Life 38%
    Typical Commute: 60 miles
    30 day Stats: 966 miles, 108
    MPG, 62% Electric, 38% gas, Saved 33 gal., 31 kW-hr/100 miles
    Hidden Content Free Volt Manual here: Hidden Content

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  6. #4
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    After printing out all the possible GM candidates for a spare, I headed to one of the area auto salvage yards that has inventory segmented by manufacturer (GM on the left, others on the right). I found a Cadillac Deville (1998 I think). It had a like-new, steel rim donut-spare with a Firestone T125/70R16 tire. The rim is stamped B / 17D / K4 98 / RJF / USA. The spare and a jack were $10 each. Both work.

    DSC02438.jpgDSC02441.jpgDSC02439.jpgDSC02442.jpg
    Last edited by Steverino; 07-09-2011 at 08:29 PM.
    2011 Cyber Gray, Std Wheels, Black Leather/White Console, Bose, Nav, Htd Seats, Park Assist. Picked up May 2011
    B3320
    Best All Electric Miles: 54.2
    Lifetime: 85,558 miles, 125 MPG, Remaining Oil Life 38%
    Typical Commute: 60 miles
    30 day Stats: 966 miles, 108
    MPG, 62% Electric, 38% gas, Saved 33 gal., 31 kW-hr/100 miles
    Hidden Content Free Volt Manual here: Hidden Content

  7. #5
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    That's a great price!

    The jack is the same as mine.

    Did you try the wheel on the front? I wonder if it will clear the caliper, which is a much different design than the rear.
    -----------------------------------------------
    Volt #947 Delivered on 2/25/11 -- Sold!
    240V Blink Installed 10/28/11 -- Returned!
    2011 Jaguar XF White
    2011 Jaguar XF Gray
    1998 Lotus Esprit V8 TT
    2004 Lamborghini Murcielago 6spd Manual Coupe

  8. #6
    Join Date
    May 2011
    Location
    Paradise Valley, AZ
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    I assume that a Cruze donut spare won't work, or someone would have said so by now. Besides the option described here, is there any list of spares that fit and jacks that work? How about run-flats; has anyone installed them in place of the OEMs?

    Thanks,
    Dan

  9. #7
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    Yea, that's a different bolt pattern. The Volt has more in common on the wheel side with the CTS than the Cruze.

    Run flats in general stink for noise, ride, and weight. Many people, like me, remove them from the car when equiped.


    Quote Originally Posted by dgruber View Post
    I assume that a Cruze donut spare won't work, or someone would have said so by now. Besides the option described here, is there any list of spares that fit and jacks that work? How about run-flats; has anyone installed them in place of the OEMs?

    Thanks,
    Dan
    -----------------------------------------------
    Volt #947 Delivered on 2/25/11 -- Sold!
    240V Blink Installed 10/28/11 -- Returned!
    2011 Jaguar XF White
    2011 Jaguar XF Gray
    1998 Lotus Esprit V8 TT
    2004 Lamborghini Murcielago 6spd Manual Coupe

  10. #8
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    Quote Originally Posted by voltage692 View Post
    Did you try the wheel on the front?
    Huh, GREAT question!

    I gave it a test. The caliper housing for the front tire does touch the inner rim surface of my spare, but does not appear to stop the spare from being mounted. Worst case, if I have a front flat I could move the rear wheel to the front and put the spare on the rear. I think the CTS spare is a better solution though.
    Last edited by Steverino; 07-23-2011 at 12:35 PM.
    2011 Cyber Gray, Std Wheels, Black Leather/White Console, Bose, Nav, Htd Seats, Park Assist. Picked up May 2011
    B3320
    Best All Electric Miles: 54.2
    Lifetime: 85,558 miles, 125 MPG, Remaining Oil Life 38%
    Typical Commute: 60 miles
    30 day Stats: 966 miles, 108
    MPG, 62% Electric, 38% gas, Saved 33 gal., 31 kW-hr/100 miles
    Hidden Content Free Volt Manual here: Hidden Content

  11. #9
    Join Date
    Dec 2010
    Location
    Houston, TX
    Posts
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    My old 911 was that way from the factory. If you had a flat in the rear, you were suppose to replace it with a front tire and then mount the spare on the front.

    It's a little extra effort, but you can get by doing it like you said with the spare you got.

    Quote Originally Posted by Steverino View Post
    Huh, GREAT question!

    I gave it a test. The caliper housing for the front tire does touch the inner rim surface of my spare, but does not appear to stop the spare from being mounted. Worst case, if I have a front flat I could move the rear wheel to the front and put the spare on the rear. I think the CTS spare is a better solution though.
    -----------------------------------------------
    Volt #947 Delivered on 2/25/11 -- Sold!
    240V Blink Installed 10/28/11 -- Returned!
    2011 Jaguar XF White
    2011 Jaguar XF Gray
    1998 Lotus Esprit V8 TT
    2004 Lamborghini Murcielago 6spd Manual Coupe

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  13. #10
    Join Date
    May 2011
    Location
    Paradise Valley, AZ
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    I see the 1st gen CTS spares still are available on eBay, but none with jacks. You mentioned an Impala jack. Is it the jack available from current model Impalas?

    Thanks,

    Dan
    Crystal red, cloth interior, nav, Bose speakers, park assist, cargo net, front shade, rear storage barrier, VIN C04158, received 10/15/11

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