How to replace spark plugs safely and effectively on Buick Terraza?

One should start the Spark Plug replacement process only when the engine has cooled down because cold temperatures prevent thread damage to the Cylinder Head. Wipe down the Spark Plug recess completely to keep dirt particles from the Cylinder Head where they might damage the threads needed for Spark Plug installation. Installing spark plugs that differ from the specified ones will cause severe damage to the engine. To reach the left bank spark plugs the engine needs to be rotated followed by removing the Spark Plug Wires and the spark plugs from the engine. The specifications determine the correct Spark Plug gap installation requires and you should use round wire feeler gauges especially for used plugs because improper gap settings may result in engine problems or damage. The installation procedure requires Spark Plug torque to 20 n.m (15 lb ft) for fresh cylinder heads but only 15 n.m (11 lb ft) for used heads using a thread chaser to clean and ensure proper thread seating. Take care to avoid both cross-threading and failing to fully seat spark plugs because such errors might lead to overheating or exhaust blow-by or thread breakage. The recommended torque values must be followed precisely to prevent severe equipment breakdown. After installing the Spark Plug Wires you should put back the engine to its initial position.

OEM Buick Terraza Spark Plug

Ignition Spark Plug

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Buick Terraza Spark Plug Part Number: 12681664
$9.22 MSRP: $16.46
You Save: $7.24 (44%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Spark Plug Assembly-Gasoline Engine Ignition; Spark Plug, Spark Ignition; Spark Plug,Glow
- Replaces: 12568387, 25330840, 12565030, 25161444
- 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
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Buick Terraza Spark Plug Part Number: 12681662
$11.36 MSRP: $20.28
You Save: $8.92 (44%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Spark Plug, Spark Ignition; Spark Plug,Glow
- Replaces: 12591131
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2007 Buick Terraza | CX, CXL | 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS

Buick Terraza Spark Plug

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The Buick Terraza Spark Plug is an important item that highly contributes to improving on Buick Terraza automobiles. Having the role of initiating the combustion of the fuel/air mixture in the engine, the Spark Plug is critical for the smooth running and for avoiding various sorts of damage. Several types of Spark Plugs are in the market, that is; copper/nickel, platinum, and iridium Spark Plugs, which makes the product suitable for all Terraza models to give the premier performance. The Buick Terraza was manufactured from 2005 to 2007 and is considered one of the premiere luxury vehicles characterized by comfort and utility, as it can house up to seven people; the vehicle comes with different powertrain options. The Spark Plug takes a vital role in this minivan because the poor or damaged spark plugs cause misfires, rough idle, and poor fuel economy. Thus, the importance of proper inspection and timely replacement of the Spark Plug to increase the longevity and efficiency of the vehicle. Moreover, the Buick Terraza Spark Plug is also safety enhancing parts working hand in hand with side air bag; antilock brake. Thus its design is made with great durability and performance using enhanced materials; thus is stands out in the automotive market. Thus, the Buick Terraza Spark Plug not only improves the driving feeling but also strengthens the market image of Buick Terraza as a Practical and Efficient Luxury Minivan.

Buick Terraza Spark Plug Parts Questions & Experts Answers

Spark Plug
12681662
Q: How to replace spark plugs safely and effectively on Buick Terraza?
A:
One should start the Spark Plug replacement process only when the engine has cooled down because cold temperatures prevent thread damage to the Cylinder Head. Wipe down the Spark Plug recess completely to keep dirt particles from the Cylinder Head where they might damage the threads needed for Spark Plug installation. Installing spark plugs that differ from the specified ones will cause severe damage to the engine. To reach the left bank spark plugs the engine needs to be rotated followed by removing the Spark Plug Wires and the spark plugs from the engine. The specifications determine the correct Spark Plug gap installation requires and you should use round wire feeler gauges especially for used plugs because improper gap settings may result in engine problems or damage. The installation procedure requires Spark Plug torque to 20 n.m (15 lb ft) for fresh cylinder heads but only 15 n.m (11 lb ft) for used heads using a thread chaser to clean and ensure proper thread seating. Take care to avoid both cross-threading and failing to fully seat spark plugs because such errors might lead to overheating or exhaust blow-by or thread breakage. The recommended torque values must be followed precisely to prevent severe equipment breakdown. After installing the Spark Plug Wires you should put back the engine to its initial position.