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Post by Jae Dee on Apr 20, 2010 17:56:59 GMT -6
Does anyone have a part number for this gasket/o-ring? Or even an O-ring size will work.
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Post by aurorabrain on Apr 20, 2010 19:48:12 GMT -6
Describe crossover gasket?
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Post by Jae Dee on Apr 21, 2010 8:53:25 GMT -6
the coolant crossover under the intake manifold
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Post by sall on Apr 22, 2010 9:45:52 GMT -6
There is a parts list in the stickies. Check it out and see if you can track it down. I looked on ALLDATA and only came up with crossover part number not the gasket.
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bobsblue95
Super Moderator 
Scars of pleasure, scars of pain. Atmospheric changes make you sensitive again.
Posts: 3,125
Staff Member
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Post by bobsblue95 on Apr 22, 2010 16:22:15 GMT -6
On the 4.0 the crossover pipe is part of the water pump housing, under the throttle body, not the intake. There are 4 small gaskets... here's a photo of 2 of them (rotated 90 degrees... tilt your head to the right)  I can only assume the gunk in there is from the gm seal-tabs. I don't have part numbers but I'd imagine RockAuto has them..? They are included in the head gasket set I got there. |
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Post by aurorabrain on Apr 22, 2010 18:01:13 GMT -6
Gunk is from something like blue devil head gasket repair. Nasty stuff.
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Post by Jae Dee on Apr 22, 2010 18:27:00 GMT -6
Ok cool. Heres the next question. The sensor thats at the bottom of the reservoir is the level sensro right? I replaced the o-rings on it because it was leaking and when I pulled it out the orings crumbled. I was looking at o- reillys and autozone and couldn't fine the sensor at either place. I sealed it with o-rings but it's still sending a signal that I am low on coolant. Does it take a few cycles to clear the low coolant?
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Post by lanceslambos on Apr 22, 2010 21:09:30 GMT -6
if worse comes to worse you can always make your own gasket.
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cobrabobby
Aurora Groupie
95 AURORA, MIDSTATES COBRA REPLICA (Sold), VW TOUAREG
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Post by cobrabobby on Apr 22, 2010 21:20:57 GMT -6
Rock Auto has them - Look under cooling system then
water pump gaskets, it lists all of them. They ain't cheep!!
By the way, use the "red push button" catalog, then your
year Rora, then cooling system, then water pump gaskets.
cheers,
Bob
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Post by Jae Dee on Apr 23, 2010 6:04:04 GMT -6
yeah I usually use some kind of RTV. Black has always worked well for me as its everything proof and I like the big tubes I can put in a gun and not worry about ringing out the last little bit of a tube of toothpaste.
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bobsblue95
Super Moderator
Scars of pleasure, scars of pain. Atmospheric changes make you sensitive again.
Posts: 3,125
Staff Member
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Post by bobsblue95 on Apr 23, 2010 15:09:50 GMT -6
The switch itself is a magnetic reed switch, which means it relies on a magnetic float to open/close it as appropriate. If you're getting a constant low coolant signal, first test would be to simply jumper the connector and see if Low Coolant warning goes away. If not, you have a broken wire or something. Otherwise the float inside the reservoir is probably stuck.
My gasket fell apart too, I couldn't even find all the pieces. I plan to just use rtv. I don't think it's supposed to be wet in there anyway, I think the switch is sealed to keep road/engine grime out, not coolant in. I like that aspect of the design, but I don't like that the float is apparently not serviceable without busting open the reservoir tank.
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Post by Jae Dee on Apr 23, 2010 18:16:34 GMT -6
Yeah I think my reservoir is cracked because coolant was travelling down the connector. I dunno I have been taking a good look under my hood and finding all kinds of pieces that were hastily reassembled. The power steering hose that runs next to the serpentine belt was riding on the belt. The pcv hose was cracked and taped. My valve cover gaskets are leaking even though the head gaskets were just replaced. Ugh I just want to take the motor out and rebuild it. At least I will know everything that is wrong with it
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