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  #1  
Old 1st March 2012
king_joolian king_joolian is offline
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Default Welch / Core / Freeze plugs

Q: Does anyone know what size the welch plugs are in a 1993 9000 CSE with a red engine block?
All the info I can find doesnt relate to this car.


A: 36mm, there are 6 of them in the block.

Last edited by king_joolian; 2nd March 2012 at 04:51 AM.
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  #2  
Old 1st March 2012
sp53 sp53 is offline
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I am not sure either, but if you want something not stock, but that will work. You can put in those rubber ones that you tighten done to expand.
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Old 1st March 2012
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chengny chengny is offline
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More Images

List Price: $9.33
Our Price: $7.91
You Save: $1.42
Quantity:



DORMAN EXPANSION PLUG, STEEL -- Cup type; 1.1 in. diameter, 0.34 in. H, 1.1 in. closed end diameter, 1.12 in. open end diameter; A high quality, direct fit OE replacement expansion plug; With lifetime Dorman limited warranty. Fit Note:CarWarranty:Lifetime Dorman limited warrantyQuantity Sold:Sold individually
Fits the following 1986-1998 Saab 9000 submodels:
  • 1998-1998: CSE Turbo; 4 Cyl 2.3L; "GAS, FI, B234R, Turbocharged, VIN R"
  • 1993-1998: CSE Turbo; 4 Cyl 2.3L; "Gas, FI, B234L, Turbocharged, VIN M"
  • 1995-1997: CS; 4 Cyl 2.3L; "GAS, FI, B234E, Turbocharged, VIN U"
  • 1993-1997: Aero; 4 Cyl 2.3L; "GAS, FI, B234R, Turbocharged, VIN R"
  • 1993-1997: Aero; 4 Cyl 2.3L; "Gas, FI, B234L, Turbocharged, VIN M"
  • 1993-1994: CDE Turbo; 4 Cyl 2.3L; "Gas, FI, B234L, Turbocharged, VIN M"
  • 1993-1994: CDE; 4 Cyl 2.3L; "GAS, FI, B234I, Naturally Aspirated, VIN B"
  • 1993-1994: CS Turbo; 4 Cyl 2.3L; "Gas, FI, B234L, Turbocharged, VIN M"
  • 1993-1994: CS; 4 Cyl 2.3L; "GAS, FI, B234I, Naturally Aspirated, VIN B"
  • 1993-1994: CSE; 4 Cyl 2.3L; "GAS, FI, B234I, Naturally Aspirated, VIN B"
  • 1991-1994: CD Turbo; 4 Cyl 2.3L; "Gas, FI, B234L, Turbocharged, VIN M"
  • 1990-1993: CD; 4 Cyl 2.3L; "GAS, FI, B234I, Naturally Aspirated, VIN B"
  • 1992-1992: CD Griffin Edition; 4 Cyl 2.3L; "Gas, FI, B234L, Turbocharged, VIN M"
  • 1991-1992: Base; 4 Cyl 2.3L; "GAS, FI, B234I, Naturally Aspirated, VIN B"
  • 1991-1992: Turbo; 4 Cyl 2.3L; "Gas, FI, B234L, Turbocharged, VIN M"
  • 1990-1992: S; 4 Cyl 2.3L; "GAS, FI, B234I, Naturally Aspirated, VIN B"
  • 1989-1990: CD; 4 Cyl 2.0L; "Gas, FI, B202L, Turbocharged, VIN L"
  • 1987-1990: S; 4 Cyl 2.0L; "GAS, FI, B202I, Naturally Aspirated, VIN D"
  • 1986-1990: Turbo; 4 Cyl 2.0L; "Gas, FI, B202L, Turbocharged, VIN L"
  • 1989-1989: Base; 4 Cyl 2.0L; "Gas, FI, B202L, Turbocharged, VIN L"

Sorry, didn't think it was going to be so big.
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Old 1st March 2012
Superaero Superaero is offline
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Something isn't adding up. 1 inch is 25.4 mm. 1.12 inch is less than 29 mm. The measurements reported are inconsistent with the measurements on this parts list. Something is not right.
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Old 1st March 2012
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chengny chengny is offline
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Dorman Freeze Plug List Price: $9.33
Our Price: $7.91
You Save: $1.42


Dorman Freeze Plug List Price: $8.81



















Yeah, I noticed that - I think they switched the specs on these two plugs. It's Dorman...

The one on the bottom is probably what he needs. That one is 1.64/1.65 OD. 41mm = 1.62''. Makes for a nice interference fit.
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  #6  
Old 2nd March 2012
king_joolian king_joolian is offline
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The right size, by process of elimination is 36mm, they jam in perfectly, and there are 6 of them, 3 in the front, 3 in the back (+ one other plug type thing),

35mm is too small, 1-1/2" (38mm) is too big, 1-5/8" (41mm-ish) is waaay too big.


Mystery solved
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  #7  
Old 2nd March 2012
Superaero Superaero is offline
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There may be one block plug that is designed for easy removal. If so then this will be for the optional engine block coolant heater required for climates like the one where I live. At minus 35C it is necessary to use a mains type plug in heater to heat the coolant jacket, if one still uses conventional oil. With synthetic oil you can still start a frozen SAAB down to about minus 40C. At that point the gasoline starts to wet out on the plugs if the engine isn't heated. In NZ or OZ this is not a relevant consideration.
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