2ZZ Oil Dipstick Tube - Wont Stay In!

Node · Oct 19, 2020

Perhaps the oil dipstick tube I have is bent or the O-ring is dried out but the tube wont stay in place. It works its way up and out until it falls out of the block. The only reason it is not on the side of the road somewhere is because the rubber clip at the top where the stick meets the valve cover is clipped into the holder bracket.

Has anyone else experienced this? Could I have the wrong tube for my 2zz swap?

Funkycheeze · Oct 19, 2020

The only time I have seen dipsticks or tubes being pushed out was from big blowby or insufficient crankcase ventilation. Check your PCV and vent tubes first?

Billy C · Oct 19, 2020

Do you have a tab on the yours bolted to the back of the block? The stock 2zz dipstick tube has a mounting tab and tabs for the crank and knock sensor plugs.

Node · Oct 20, 2020

Nope, no tab. That explains it thanks! So if I want to replace the dipstick tube and get one with a tab do I buy a 2zz Celica one or a 1ZZ MR2 one?

FWIW, it's REALLY loose. A bump in the road would pop it out so blowby, even if it's also an issue is not the primary issue.

Funkycheeze · Oct 20, 2020

The MWR swap one has the tab.

Billy C · Oct 20, 2020

I made my own from the original 1zz and it had a bracket that bolted to the intake manifold. I seem to remember this being the way the OEM celica dipstick had it.

Then there are some tabs for the plugs a little lower down

Node · Oct 20, 2020

Thanks so much Billy! It will probably be easier to just order one since I am out of Argon to weld a tab on. Plus a new tube will probably come with a new O-ring right?

2ZZ Oil Dipstick Tube - Wont Stay In!

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