Question about 1999 Daewoo Nubira

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Welsh plugs Hi. I would just like to know many welsh plug(freeze caps) a 1999 1.6 DOHC engine has?

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  • isues Aug 19, 2008

    eight (8)



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No problem

Posted on Jul 28, 2008


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Can you please tell me what size welsh plug I need for a Toyota 1997 RAV4, auto,

You don't need to know, you just buy them for that vehicle. If you really want to know, try the RAV 4 Forums. They often have service mechanics lurking in them.

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Where is the freeze plug?! - Toyota RAV4 Forums > ... > 4.1 DIY and Modifications Oct 24, 2011 - I have a 97 rav4 with 220k on it. Its been a while since anything was done to the car, so as a starter, I put new oil and filter, and new plugs.
1997 Toyota RAV4 welsh plug Google Search

Oct 15, 2017 | Toyota Cars & Trucks

2 Answers

No as soon as i fill the reservoir it empties in twenty minutes

There is a good chance that there may be a rusted out freeze plug leaking in behind the manifold where you can't see so well. That would explain the dripping and quick loss of coolant.

Mar 07, 2016 | Cars & Trucks

1 Answer

Trying to figure out why a normal 1970's Ford 351c Freeze plug is way to small for my 1972 Ford 351 Cleveland?

measure the diameter of the welsh plug holes that you need plugs for and any spares shop will have a GeeJay kit of welsh plugs that will have the plugs you want
The idea is to fit the plugs , the problem of why can be answered later after the job is done

Nov 28, 2015 | Ford Cars & Trucks

1 Answer

1998 ford mustang 3.8l v6 leaking cookant from bottom of engine. Not sure where. Looks like it could be from the pan right under the engine

most probably from a rusted welsh plug in the block. Have the coolant system pressure tested and watch for the leak as it is probably running down from the welsh plug and collection at the sump flange.

Jun 10, 2014 | Cars & Trucks

1 Answer

Freeze plug location

IT may be a rusted welsh plug and if it is at the rear of the engine then you may have to pull the engine to replace it because of the limited working space.

Dec 17, 2013 | Chevrolet Malibu Cars & Trucks

1 Answer

Welsh plug size

As there are around 4 sizes of welsh plugs used It is best if you measure the leaking one or take it out and use it as a sample

Dec 04, 2013 | 1999 Daewoo Lanos

1 Answer

Freeze plug

Freeze plugs(welsh plugs) are in the sides of the block and heads and are there to allow for the removal of casting sand used in the mould when pouring the molten metal in. When the metal cools the sand is removed through these holes and a plug--welsh plug or freeze plug -is inserted to stop the coolant flowing out. The term freeze plug is a misnoma as the block will crack around the cylinder area (Being the thinnest part of the block) before there is enough force exerted by the frozen water to push them out. The best bet to prevent freezing of the coolant is to have a good anti freeze solution in the coolant at around 50% and you will have no freezing up problems.

Aug 03, 2013 | Kia Sorento Cars & Trucks

1 Answer

Welsh plugs leaking

Not much you can do other than replace it.
We call them freeze plugs or expansion plugs in the US.

Sep 11, 2012 | 1994 Toyota Camry

1 Answer


Yes. Generally there are two on the rear of the block. What most people do not understand is that the "freeze plugs" are not put there to serve that purpose and won't save a block during a freeze up. The actual function is to allow removal of the "stuffing" used when the block is being cast, in order to keep the internal water jackets open. They are actually called welsh plugs.
You are looking at removal of the transmission and transfer case as well as the flywheel Cost of that depends on local labor rates. The freeze plugs themselves are rather inexpensive. Being fairly inaccessible, when replacing those particular ones I always use brass plugs made for marine engines. Even though externally protected by the bellhousing, they generally fail from the inside out, making the brass plugs a good option.
good luck

Dec 23, 2009 | 1999 Jeep Grand Cherokee

1 Answer

1992 isuzu rodeo

yes there is welsh plugs

if you stand in front of the car looking at the motor they are on your left under the intake manifold i think there are 4 welsh plugs

Jul 12, 2008 | 1992 Isuzu Rodeo

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