 Spring leftover after changing the pistons rings |
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| b.stirbu |
 Aug 30 2015, 08:41 AM
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#1
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1974 daily driver  Group: Members Posts: 27 Joined: 14-June 15 From: Netherlands Member No.: 18,848 Region Association: Europe  |
Hi guys,
Unfortunately, I'm left with a spring after I changed the pistons rings on my 1.7 engine..... the spring is not from the valves, not from the rockers arms..I'm not sure where it belongs to..I couldn't find it in any drawing.. The diameter of the coin is 24.25 mm/0.95 in I'm a bit afraid that I might ruin something in my engine.. Attached thumbnail(s)  
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| Geezer914 |
Aug 30 2015, 08:57 AM
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#2
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Geezer914 Group: Members Posts: 1,373 Joined: 18-March 09 From: Salem, NJ Member No.: 10,179 Region Association: North East States 
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Rocker arm shaft spring.
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| b.stirbu |
Aug 30 2015, 01:44 PM
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#3
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1974 daily driver Group: Members Posts: 27 Joined: 14-June 15 From: Netherlands Member No.: 18,848 Region Association: Europe |
QUOTE(Geezer914 @ Aug 30 2015, 04:57 PM)  Rocker arm shaft spring. Can't be... The diameter or the rocker arm shaft is 20 mm (.765 in) the spring is at least twice that size... |
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| Dave_Darling |
Aug 30 2015, 04:33 PM
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#4
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914 Idiot Group: Members Posts: 14,980 Joined: 9-January 03 From: Silicon Valley / Kailua-Kona Member No.: 121 Region Association: Northern California
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You said 25mm diameter for the spring, which is a lot less than twice 20mm.
Regardless, that's what it looks like. I think it's too big to be for any of the oil pressure control/relief pistons, and it is way way too large to be for the cooling flaps. Not sure what else it could be offhand. --DD |
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| b.stirbu |
Aug 31 2015, 03:58 AM
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#5
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1974 daily driver Group: Members Posts: 27 Joined: 14-June 15 From: Netherlands Member No.: 18,848 Region Association: Europe |
QUOTE(Dave_Darling @ Aug 31 2015, 12:33 AM) You said 25mm diameter for the spring, which is a lot less than twice 20mm. Regardless, that's what it looks like. I think it's too big to be for any of the oil pressure control/relief pistons, and it is way way too large to be for the cooling flaps. Not sure what else it could be offhand. --DD Hi Dave, I said the coin size is 25mm. The spring is almost twice the size of the coin.. |
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| TheCabinetmaker |
Aug 31 2015, 06:27 AM
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#6
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I drive my car everyday Group: Members Posts: 8,300 Joined: 8-May 03 From: Tulsa, Ok. Member No.: 666 |
I'm with DD. Looks like a rocker spacer spring to me.
I'll measure one this morning and report back. |
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| Mark Henry |
Aug 31 2015, 06:54 AM
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#7
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that's what I do! Group: Members Posts: 20,065 Joined: 27-December 02 From: Port Hope, Ontario Member No.: 26 Region Association: Canada |
If it's not a rocker spring it somehow snuck into your parts box, there is nothing else in a T4 engine that looks like that.
springs in a T4: Shroud air flap, dizzy and two oil control springs are all smaller. Valve springs are heavier. Rocker shaft spring is around that size. Everything else springy are things like piston clips, pushrod tube spring wire and valve cover bail spring, obviously not. |
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| stugray |
Aug 31 2015, 07:11 AM
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#8
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Advanced Member Group: Members Posts: 3,824 Joined: 17-September 09 From: Longmont, CO Member No.: 10,819 Region Association: None |
It actually looks exactly like a couple of springs that came in my 99 Chevy Suburban auto-trans rebuild kit.
Rebuild any transmissions lately? |
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| TheCabinetmaker |
Aug 31 2015, 10:20 AM
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#9
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I drive my car everyday Group: Members Posts: 8,300 Joined: 8-May 03 From: Tulsa, Ok. Member No.: 666 |
Stock rocker spring measures 21mm inside. Relaxed height is 36mm
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