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 thermo valve assm. ?
#945926
05/19/09 12:13 PM
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Joined: Apr 2008
Posts: 12
OP
Need a Spot
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This weekend I replaced the valve cover gaskets on my '89 Raider with the 3.0 V6. When finished I noticed that my Thermo Valve assm. had broken off the vacuum connecters. It's located next to the thermostate housing. Two vacuum hoses run from it to the throttle body assm. My question is what is it for, and how will it effect operation with it being broken? Where can I get a replacement? Thanks.
89'Dodge Raider 3.0 V6, A/T
LSD, KYB equipped
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Re: thermo valve assm. ?
[Re: Torsion]
#945927
05/19/09 03:28 PM
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Joined: Feb 2004
Posts: 10,238
Web Wheeler
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A check of the "search" function will show several posts describing thermo valve function.
The device is part of the EGR control system - in conjuction with the EGR solenoid valve and the EGR valve.
You should be able to get one from a dealer.
Frank
'89 [color:"white"]G-Raider[color:"white"] [color:"black"]Supercharged 3.0L, MegaSquirt 2, lockup A/T, 2.5" exhaust, 172k, Cibie H4s/Oscar SCs, Hella Micro DE fogs, Cobra CB, Superwinch hubs, LSD rear/Aussie Locker front, Bilsteins, Lifeline AGM, Rust-Oleum
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Re: thermo valve assm. ?
[Re: Torsion]
#945928
05/19/09 03:56 PM
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Joined: Dec 2001
Posts: 11,727
Web Wheeler
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There is a thermo valve and there is a thermo switch. IIRC the Thermo valve has 5 vac lines and the thermo switch has two. I would have to look at the FSM but I sold it when I sold my 88. <img src="/forums/images/graemlins/patriot.gif" alt="" />
98 Montero with cold weather package
96 Toyota Land Cruiser, fully locked Mall Machine :-)
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Re: thermo valve assm. ?
[Re: LRJ4x4]
#945929
05/19/09 07:39 PM
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Joined: Feb 2004
Posts: 10,238
Web Wheeler
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The thermo-porcupine used on the 2.6L and 2.0L is thankfully not used on the 3.0L.
I'm pretty sure he's talking about the thermo switched valve at the top/front of the water box - breakage is common on the 3.0L with heat and age.
Frank
'89 [color:"white"]G-Raider[color:"white"] [color:"black"]Supercharged 3.0L, MegaSquirt 2, lockup A/T, 2.5" exhaust, 172k, Cibie H4s/Oscar SCs, Hella Micro DE fogs, Cobra CB, Superwinch hubs, LSD rear/Aussie Locker front, Bilsteins, Lifeline AGM, Rust-Oleum
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Re: thermo valve assm. ?
[Re: FrankR]
#945930
05/20/09 03:59 PM
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Joined: Dec 2001
Posts: 11,727
Web Wheeler
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<img src="/forums/images/graemlins/lol.gif" alt="" /> good one Frank <img src="/forums/images/graemlins/lol.gif" alt="" /> <img src="/forums/images/graemlins/lol.gif" alt="" />
98 Montero with cold weather package
96 Toyota Land Cruiser, fully locked Mall Machine :-)
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