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Dipstick Oil Tube Leak at O-Ring

#1

R

Rick'sToro8-32

I have a Briggs and Stratton engine on my Toro riding mower.

For many years I have had an oil leak around the o-ring where the plastic dipstick tube goes into the engine.

Initially, I tried replacing the o-ring with a new one. That didn't help.

Then someone told me to put 2 o-rings there. That didn't help.

The block area where the tube fits in looks good and the tube screws down securely at the top of the engine.

I wonder if anyone else knows what I might try next?

Thank you.


#2

AnthemBassMan

AnthemBassMan

My 1992 Craftsman push mower used to leak about 5 years ago. I just took the dipstick tube to my local NAPA shop. Found an o ring that fit, but was a little thicker. Had the use a screwdriver to push the o ring down in, but it hasn't leaked since...

L8R,
Matt


#3

R

Rick'sToro8-32

AnthemBassMan said:
My 1992 Craftsman push mower used to leak about 5 years ago. I just took the dipstick tube to my local NAPA shop. Found an o ring that fit, but was a little thicker. Had the use a screwdriver to push the o ring down in, but it hasn't leaked since...

L8R,
Matt
Click to expand...



That sounds good to me, thank you!


#4

S

SeniorCitizen

Oil level is too high when hot.


#5

B

bertsmobile1

Personally I would try replacing the dipstick tube grommet
B & S part No 281370 or 68838.
A standard tune up item for replacement every 10 years or so.
It actually screws in


#6

AnthemBassMan

AnthemBassMan

I should have stated that my mower has a 3.5hp Tecumseh on it. But still has the dip stick tube pushed into the engine and bolted to the engine shroud.

L8R,
Matt


#7

S

SeniorCitizen

This will stop your oil leak.

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#8

R

Rick'sToro8-32

Thanks for all of the responses!

That sounds right Bertsmoblile1, I'll try the grommet next. I'm starting to notice a pattern here. :smile: Hopefully, you will be around when I get time to snap a picture of my gear box and start a new thread trying to understand it better. My mower deck and chassis is made of a heavy gauge steel and I think I can make it outlast me, except I'm not sure what my options are for this 30 year old gear box if it ever needs repaired or replaced, it occurs to me to that I have never performed any maintenance on it--I think this gear box could possibly be the only thing that will take my old mower down even though it is already 30 years old. Thanks again very much!!


PS When I was mowing again yesterday I was hyper-sensitive to the feel of the clutch and I realized that there is a slight jerk when I put it in gear. After working with you on the other thread I think I know now that is my belt which has stretched and is heading for replacement.


#9

reynoldston

reynoldston

I had one for a customer I couldn't find a grommet for. I cleaned and dried it real well. Repaired it with RTV which has been several years now and it has never leaked a drop since. The very key words here are clean and dry. Let the RTV dry over night before using.


#10

R

Rick'sToro8-32

Thank you.

Your avatar looks very much like a Ferris mower I spent a couple years on at a cemetery when I was younger.


#11

reynoldston

reynoldston

Rick'sToro8-32 said:
Thank you.

Your avatar looks very much like a Ferris mower I spent a couple years on at a cemetery when I was younger.
Click to expand...

Could well be I bought it new in year 2000. Still runs and mows like the day I bought it.


#12

B

bertsmobile1

Rick'sToro8-32 said:
Thanks for all of the responses!

That sounds right Bertsmoblile1, I'll try the grommet next. I'm starting to notice a pattern here. :smile: Hopefully, you will be around when I get time to snap a picture of my gear box and start a new thread trying to understand it better. My mower deck and chassis is made of a heavy gauge steel and I think I can make it outlast me, except I'm not sure what my options are for this 30 year old gear box if it ever needs repaired or replaced, it occurs to me to that I have never performed any maintenance on it--I think this gear box could possibly be the only thing that will take my old mower down even though it is already 30 years old. Thanks again very much!!


PS When I was mowing again yesterday I was hyper-sensitive to the feel of the clutch and I realized that there is a slight jerk when I put it in gear. After working with you on the other thread I think I know now that is my belt which has stretched and is heading for replacement.
Click to expand...

Belts do not stretch.
They wear on the sides, get thinner so sit deeper in the pulley thus appear to be loose.

I would have hoped you replaced the belt while you had the mower up in the air .
When the cover wears down you get raw rubber contacting the steel pulleys.
As that rubber gets hot , it gets sticky , same as your car tyres so will tend to grab.

You shouls have a Peerless 600 series box in there and parts for that will be available for ever as it is still being fitted to new mowers, although most are going hydro.
Just done a rebuild on a 40 year old one. Cases are getting expensive but the internals are no great problem just so long as you replace the gears in pairs.
Thing that killls them is owners who think they can change gets like a car rather than putting it into the appropriate gear & controlling the speed with the clutch.


#13

R

Rick'sToro8-32

That's interesting, that makes sense, my whole life I thought belts strectched. I was anxious to put it back together and mow, it's not that big of a deal for me to drop the deck (3 kotter pins) and stand it up, the next time I sharpen the blade I'll get a new belt. That's the plan anyway. :wink:

Yes, I think my gear box does say Peerless on it. That's great to hear about the parts availability. Is there any greasing / maintenance on this, I don't see anywhere to add or change fluid, if it even takes fluid? Maybe there's nothing to do to this box except try to shift properly, as you say, and wait for a part to wear out?


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