[V8] rear engine coolant leak

Ingo Rautenberg ingo.rautenberg at gmail.com
Tue Jan 13 09:12:23 PST 2009


Hmm.  Never had to do that one.

Had the two O-rings go bad that are easily accessible under the lower  
airbox assembly.  Those are a relatively common failure item from  
what the parts dept tells me.  I also believe Steve when he says  
replacing the other one would require removal of the intake manifold.

Ingo

On Jan 12, 2009, at 11:10 PM, urq wrote:

> I'm pretty sure that with the engine in the car there's no way to  
> replace
> the o-ring on that pipe that runs along the valley of the engine  
> without
> pulling the intake manifold.  I almost convinced myself that there  
> might be
> some way to sneak it underneath the front of the manifold ... with the
> throttle body pulled you can see the place where the pipe plugs in  
> behind
> the thermostat housing & water pump.  With the engine out of the  
> car it is a
> piece of cake!
>
> Steve B
> San Jose, CA (USA)
>
> -----Original Message-----
>
> No, I actually had to undo a bolt, (or maybe it was two).
> I was trying to pull the whole metal tree of pipes back so I could  
> fit that
> short stubby hose back on. It was a right pain.
>
> But that pipe disappears under a lot of hardware and it doesn't  
> look like I
> can access any O-ring very easily?  Or maybe I'm wrong
> Or can be accessed from the front of the engine?
>
> Mark.
>
> Subject: Re: [V8] Coolant leak, rear RHS engine
>> Message: 2
>
>> You should not have been able to just pull that pipe out - it is
>> bolted in.  You will need to get some new o-rings for it (cheap but
>> you probably have to order from dealer) and then figure out why you
>> could pull it out. Maybe the holding nut fell off - seems unlikely  
>> but
>> I hope that is the case because otherwise the pipe is broken or the
>> stud broke off the head.
>
>> Dave
>
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