tons of white smoke
#12
DINOSAURUS BOOSTUS
Expert Gearhead
Quick easy fix for this if you see coolant by the EGR is not to change the UIM gasket. Dunno why but Dan is confusing even me today.
The upper intake manifold itself is most likely bad. Pull the TB and look inside. It'* three 10mm nuts and a 8mm bolt (they pry/push that bracket from the 8mm out of the way).
If you see the coolant, then you want to replace the upper intake manifold. Most parts stores have one in stock. That'* how common this issue is. Replace with a new one and off you go.
Give us a holler when you need some instructions on swapping it out and we will be ready.
The upper intake manifold itself is most likely bad. Pull the TB and look inside. It'* three 10mm nuts and a 8mm bolt (they pry/push that bracket from the 8mm out of the way).
If you see the coolant, then you want to replace the upper intake manifold. Most parts stores have one in stock. That'* how common this issue is. Replace with a new one and off you go.
Give us a holler when you need some instructions on swapping it out and we will be ready.
#13
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I pulled the throttle body off and yes there is a lot of water in the intake....and it looks like a horrible waste of space in the intake i thought there would be more to the inside of that...
not sure if the pic helps but its really nasty in there also
not sure if the pic helps but its really nasty in there also
#14
DINOSAURUS BOOSTUS
Expert Gearhead
I'm getting a red X but it might be where I am.
Ok.. Let'* see, remove the TB and clean it with TB cleaner.
Unhook the neg battery cable at the battery.
Unhook the fuel lines to the fuel rail (you could leave them attached if you wanted.)
Remove the alternator.
Unhook the connectors to the 6 injectors.
Remove the EGR shield.
Unhook or remove any vacuum lines in the way of lifting the mainfold up. Leaving the big one from the brake booster connected. That one is easier once the rail is out fo the way.
Unbolt the 4 10mm nuts holding down the fuel rail.
Wiggle and lift the rail. (usually a bit difficult if the injectors haven't been out in a while)
Take the rail out fo the way.
The UIM is held in with a bunch of 8mm bolts and 1 10mm bolts (EGR shield stud).
Lift UIM off car.
Clean LIM by soaking up extra coolant before doing anything else.
At this point this is as far as you "have" to go. If you choose to replace the LIM gaskets..you are very close. If you continued, you'd remove/unhook.
EGR tube to LIM
Bracket that holds alternator
Evap sol bracket
12 LIM bolts (2 are inside by the runners for #2 and #5 cylinders.
Ok.. Let'* see, remove the TB and clean it with TB cleaner.
Unhook the neg battery cable at the battery.
Unhook the fuel lines to the fuel rail (you could leave them attached if you wanted.)
Remove the alternator.
Unhook the connectors to the 6 injectors.
Remove the EGR shield.
Unhook or remove any vacuum lines in the way of lifting the mainfold up. Leaving the big one from the brake booster connected. That one is easier once the rail is out fo the way.
Unbolt the 4 10mm nuts holding down the fuel rail.
Wiggle and lift the rail. (usually a bit difficult if the injectors haven't been out in a while)
Take the rail out fo the way.
The UIM is held in with a bunch of 8mm bolts and 1 10mm bolts (EGR shield stud).
Lift UIM off car.
Clean LIM by soaking up extra coolant before doing anything else.
At this point this is as far as you "have" to go. If you choose to replace the LIM gaskets..you are very close. If you continued, you'd remove/unhook.
EGR tube to LIM
Bracket that holds alternator
Evap sol bracket
12 LIM bolts (2 are inside by the runners for #2 and #5 cylinders.
#15
I'd bet you have a hole in the upper plenum leaking into the engine.Take the plastic plenum off and check for melting around the egr hole,sometimes it doesn't show as an external leak but flows well into the engine to burn.
I just finished replacing one,don't just change the gasket,it * a known problem on these motors.
I just finished replacing one,don't just change the gasket,it * a known problem on these motors.
Last edited by 99SLEBonneville; 06-24-2009 at 11:53 PM.
#16
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Been there and done that. I wish I would have checked the UIM first. I was probably even told that the same way you just were, but i didn't know my a** from a hole in the ground at that time. Didn't even know what half the parts were! Grabbed a Haynes manual and this site, and gave it all i had. So yea before you do anything else, take off that plenum, and stick your finger in that hole. When i did that, little balls of chewed up plastic were just rolling up and falling out.
Good Luck!
Good Luck!
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