How should one safely drain oil from gas charged shock absorbers on Buick Terraza?

Gas charged shock absorbers maintain high pressure gas inside them therefore do not remove the snap ring at the top tube due to severe personal injury risks. Safety glasses must be worn as protection for eye safety during shock absorber centerpunching drill operations while maintaining distance from the shock absorber tube to avoid a puncture. Create a 10 mm (0.4 inch) space at the bottom of the tube by using a centerpunch. Position the shock absorber in a vise where it extends horizontally and keeps its rod fully extended. Use a 5 mm (3/16 inch) drill bit to make holes at the centerpunch location in the shock absorber to let out gas or a gas/oil mixture but position shop towels to catch the spilled oil. Drill a second hole at the centerpunch position on the tube using the 5 mm (3/16 inch) drill bit which will create an oil drainage point. Use the vise to free the shock absorber then suspend the device horizontally above drain pan and insert the rod in the tube while moving it within the tube to drain the shock absorber.

OEM Buick Terraza Shock Absorber

Suspension Shock Absorber

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6 Shock Absorbers found

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Buick Terraza Shock Absorber, Rear
Part Number: 19169325
$186.60 MSRP: $362.16
You Save: $175.56 (49%)
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Product Specifications
- Other Name: Absorber Kit, Rear Leveling Shock; Suspension Strut and Shock Assembly; Complete Strut Set.; Shock; Absorber, Shock Absorber Air Lift
- Position: Rear
- Replaces: 22064824, 22064712, 22064876, 22064818, 22064822, 22064847
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005 Buick Terraza | CX, CXL | 6 Cyl 3.5 L GAS
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Buick Terraza Shock Absorber, Rear
Part Number: 15926213
$180.75 MSRP: $181.36
You Save: $0.61 (1%)
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Product Specifications
- Other Name: Absorber Assembly-Rear Leveling Shock; Shock; Absorber, Shock Absorber Air Lift
- Position: Rear
- Replaces: 15216493, 15829670
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2007 Buick Terraza | CX, CXL | 6 Cyl 3.5 L GAS, 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS
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Buick Terraza Strut
Part Number: 88965456
$106.59 MSRP: $200.15
You Save: $93.56 (47%)
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Product Specifications
- Other Name: Strut Assembly, Front Suspension; Complete Suspension Strut and Shock Absorber Kit.; Strut, Front And Rear Suspension
- Position: Front
- Replaces: 88965457
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2007 Buick Terraza | CX, CXL | 6 Cyl 3.5 L GAS, 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS
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Buick Terraza Shock Absorber, Rear
Part Number: 15219512
Product Specifications
- Other Name: Absorber Assembly-Rear Leveling Shock; Suspension Strut and Shock Kit; Complete Strut.; Shock; Absorber, Shock Absorber Air Lift
- Position: Rear
- Replaces: 10367358, 10315979
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2006 Buick Terraza | CX, CXL | 6 Cyl 3.5 L GAS, 6 Cyl 3.9 L GAS
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Buick Terraza Shock Absorber
Part Number: 15943270
Product Specifications
- Other Name: Suspension Strut and Shock Absorber Assembly Kit; Complete Strut and Shock Absorber Set.; Shock; Absorber, Front And Rear Suspension
- Position: Rear
- Replaces: 10413405, 10311197, 10288272, 10406050, 10310676, 10318617, 88963482, 10331459, 10401283, 10331458, 10406052, 10401282
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2007 Buick Terraza | CX, CXL | 6 Cyl 3.5 L GAS, 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS
View related parts
Buick Terraza Shock Absorber, Rear
Part Number: 15219511
Product Specifications
- Other Name: Absorber Assembly-Rear Leveling Shock; Suspension Strut and Shock Kit; Complete Strut.; Shock; Absorber, Shock Absorber Air Lift
- Position: Rear
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2007 Buick Terraza | CX, CXL | 6 Cyl 3.5 L GAS, 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS

Buick Terraza Shock Absorber

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Buick Terraza Shock Absorber Parts Questions & Experts Answers

Shock Absorber, Rear
19169325
Q: How should one safely drain oil from gas charged shock absorbers on Buick Terraza?
A: Gas charged shock absorbers maintain high pressure gas inside them therefore do not remove the snap ring at the top tube due to severe personal injury risks. Safety glasses must be worn as protection for eye safety during shock absorber centerpunching drill operations while maintaining distance from the shock absorber tube to avoid a puncture. Create a 10 mm (0.4 inch) space at the bottom of the tube by using a centerpunch. Position the shock absorber in a vise where it extends horizontally and keeps its rod fully extended. Use a 5 mm (3/16 inch) drill bit to make holes at the centerpunch location in the shock absorber to let out gas or a gas/oil mixture but position shop towels to catch the spilled oil. Drill a second hole at the centerpunch position on the tube using the 5 mm (3/16 inch) drill bit which will create an oil drainage point. Use the vise to free the shock absorber then suspend the device horizontally above drain pan and insert the rod in the tube while moving it within the tube to drain the shock absorber.