Re: IML: Checking for Gas in the Oil

[randalpark@xxxxxxx]

I think this will also make the oil turn black almost immeidately. 
There are other things that cause the same symptom, like poor crank 
case ventilation, but none of them are okay.

Paul W.


-----Original Message-----
From: hemidriver@xxxxxxx
To: mailing-list@xxxxxxxxxxxxxxxx
Sent: Wed, 6 Jun 2007 7:11 am
Subject: IML: Checking for Gas in the Oil


Friends....

Surely, you check your oil regularly. When you pull the dipstick, 
always SMELL the oil on it -- an gasoline odor means (1) a problem and 
(2) you need to solve problem and change oil.



-----Original Message-----
From: Frederick Joslin
To: mailing-list@xxxxxxxxxxxxxxxx
Sent: Wed, 6 Jun 2007 10:26 am
Subject: Re: IML: Fuel Leak



When I purchased my 69 Coupe it had a leaking fuel pump.

It took me a while to realize this. On day instead of just warming the 
car up in the garage and leaving, I warmed it up in the garage, pulled 
out and then came back into the garage. There was a pool on the floor 
which turned out to be gas. This explained the heavy gas odor and 
really bad mileage. 

When I did the first oil change after purchasing the car, the oil was 
especially thin and nasty. I figured it was simple from neglect. Now I 
think it may have had fuel in the oil. 

This seems like a good thing to check if you ever have a leaking fuel 
pump.  



----- Original Message -----
From: sosmi@xxxxxxxxxxx
To: mailing-list@xxxxxxxxxxxxxxxx
Subject: Re: IML: Fuel Leak
Date: Wed, 06 Jun 2007 13:39:51 +0000


That vent hole, has a two fold job. It is a pressure vent to keep one 
side of the pump diaphragm at atmospheric pressure, the second is a 
by-pass for fuel when there is a pump failure, which dumps the fuel on 
the ground rather than going in the crank-case.I would check the oil, 
to make sure there was no fuel dilution. By plugging or restricting the 
vent, you may have caused fuel to enter the crank-case.Dave.

 

-------------- Original message --------------
From: "tdcox" tdcox@xxxxxxxxxxxxx>

> Thanks, Eric
>
> That is my guess, too. Since the right side of the car was 
excessively dirty
> with an oily slick, I am assuming that gas mixed with rain to cause 
the
> problem. Since the fuel pump is the most likely candidate on that 
side of
> the engine (other than the fuel filter), that is where I am going to 
start.
> -----Original Message-----
> From: mailing-list-owner@xxxxxxxxxxxxxxxx
> [mailto:mailing-list-owner@xxxxxxxxxxxxxxxx] On Behalf Of Eric
> Sent: Tuesday, June 05, 2007 11:00 PM
> To: mailing-list@xxxxxxxxxxxxxxxx
> Subject: IML: Fuel Leak
>
> Tom,
> Thank you for sharing your photos of your beautiful '56 coupe.
> http://www.imperialclub.com/Yr/1956/56Cox/in dex.ht m
> It's no wonder 20 people stopped for that beauty!
>
> About your fuel situation. I had a mysterious raw fuel smell with my 
'64
> Crown Coupe. I never saw a leak on the ground but I did notice the 
rubber
> hose to the fuel pump was delaminating down to it's threads. I 
thought this
> was the source of the fuel odor, that it may be seeping from this 
hose. I
> put it on my long to-do list.
>
> To make a short story more exciting, I'll explain how I learned the 
real
> source of the odor. I was being tailgated on a stretch of open hiway 
a
> couple of weeks ago. I thought I'd show the tailgater something so I 
floored
> the throttle. After losing him in a cloud of unburned hydrocarbon 
droplets,
> I realized he was lost in a whole lot more smoke than there should 
be. Then
> I heard a noise, felt a loss of power steering assist, and decided to 
pull
> my old smokey over to see what broke.
>
> A few days prior to this, I noted one of the twin A/C - alternator 
belts had
> a twist in it around the bottom of the crank pulley. I had planned a
> replacement of these belts soon so I left it as it was. This belt 
then broke
> when I floored the throttle, throwing it's twin off, as well as 
throwing the
> power steering belt off, answering my loss of power steering. The 
broken
> belt snapped apart the transmission coolant line compression fit 
connector
> causing transmission fluid to spray all over the compartment, 
explaining the
> large cloud of smoke.
>
> I made short work of straightning the bent transmission line, 
reattaching
> the compression fit connector, refilling my transmission with fluid, 
and
> putting back the power steering and the remaining A/C - alt belt. 
When I
> started the car, I let it idle and watched for l eaks a t the 
transmission
> line fitting. It didn't leak but I did notice a substantial leak at 
the fuel
> pump. This fuel pump leak was in a spot unrelated to my snapped drive 
belt
> trouble and I could see that it was spewing gas onto the above 
mentioned
> fuel hose that had deteriorated.
>
> On one side of the fuel pump, there is a round, drilled hole right 
above the
> diaphram. Fuel was being pumped out from this hole. As an emergency 
roadside
> fix, I found a disposed of cigarette butt and compressed it into the 
hole.
> That butt helped, but it did let a bit of gas to be spit out, and 
provided a
> wheezing noise. We got a kick out of my bronchitis afflicted filtered 
fuel
> pump leak.
>
> I've not yet opened up the leaking fuel pump, but I suspect the 
diaphram may
> have ruptured long ago. I had a used fuel pump that I later replaced 
it w ith >
> and it is without this hole. Maybe this hole is an early warning 
mechanism
> to tell the owner that the pump is about to go? I have a new pump for 
a
> Slant 6 that does have a similar vent or bleed hole.
>
> Short story of it is, you may want to check your fuel pump for leaks 
with
> the engine idling.
>
> Hope my long mysterious leak tale helps your situation.
>
> Eric
> 1964 Crown Coupe
> ________________________________________________
> From: "tdcox"
> Subject: IML: 2,000 mile trip
> My wife and I have just returned from a nearly 2,000 mile trip in our 
56
> Southampton coupe.
> ...The only odd thing that we noticed on our return trip was that our 
gas
> mileage dropped in half, to about 7 mpg. I was pretty sure the timing 
=
> was off but didn=92t expect such a decrease. When we arrived home, I 
washed
> the
&g t; car and found that the entire passenger side of the car had a 
thick oily
> substance all over it. Also, we smelled gas fumes on the last half of 
=
> the trip. Wonder if this could be a leaky fuel pump; the oil level 
was fine,
> so
> I assume it is fuel related.
> Thanks to the Webmonsters for adding pictures of our car to the
> 56 Imperials
>
>
>
>
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Fred Joslin








Fred Joslin



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