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GM introduced the Buick Terraza as a luxury minivan for the 2005 model year while manufacturing alongside the Chevrolet Uplander and Pontiac Montana SV6 as well as Saturn Relay using the shared U-body platform. Production ended after the 2007 model year. The Buick Terraza's 3.5 L High-Value V6 engine delivered 200 horsepower and 220 lb-ft torque while the vehicle used a 4-speed automatic transmission to achieve a 60 mph speed in 9 seconds. The LZ9 V6 3.9 L engine received a power boost in 2006 to deliver 240 hp and produce 240 lb-ft of torque. New features for the 2007 model included both a flex-fuel version of the 3.9 L V6 alongside an all-wheel-drive system as optional options. The Buick Terraza maintains a stable driving character from its dimensions of wheelbase 121.1 inches and total length 205.0 inches alongside curb weight between 4,440 to 4,689 pounds. The interior of Buick Terraza includes a flexible a 50/50-split folding third-row seat which makes the vehicle offer 137 cubic feet of cargo volume. The Buick Terraza continues to maintain positive credentials because its genuine OEM parts deliver both reliable performance and extended durability. The Buick Terraza owner must depend on genuine Buick components to keep their vehicle intact with adequate maintenance of original performance specifications.
Buick Terraza groups common concerns into emissions, braking, and steering hydraulics for clear diagnosis. In emissions, Terraza may show a check engine light after refueling during temperature swings. A worn or loose gas cap breaks the EVAP seal and triggers small leak tests. Replace the gas cap, clear codes, and complete a monitor drive cycle on the Terraza. For braking, Terraza can pulse through the pedal and shake the wheel under moderate stops. Front rotors develop thickness variation from heat, moisture, and rust transfer during short trips. Measure runout, then install new rotors and matching brake pad, and bed the surfaces. Verify hub faces are clean, torque lugs evenly, and recheck road force on the Terraza. In steering hydraulics, Terraza may whine and steer heavy, with fluid visible near the frame. A leaking power steering hose loses pressure and aerates the pump during parking maneuvers. Replace the power steering hose, inspect clamps and return lines, then bleed air carefully. Finish with a scan, road test, and visual inspection, following Buick specifications. Document pressures, rotor thickness, and EVAP readiness so the Buick remains consistent across seasons. Confirm tire condition and alignment, since careful maintenance keeps the Buick Terraza safe and predictable.
When it comes to authentic Buick Terraza parts, including A/C & Heating, ChevyPartsGiant.com stands out as the go-to online store. We only sell OEM Buick Terraza parts for a perfect fit and for factory performance. All come directly from authorized Buick dealers to help you skip the high prices at local stores. With our knowledgeable team, finding the right Buick Terraza part is quick and hassle-free. Easy shopping at the comfort of your home through our easy site. All purchases come with expedited shipping, a manufacturer's warranty, and returns. Start to fix your Buick Terraza right away!
Buick Terraza Parts Questions & Answers
- Q: How to replace the radiator on Buick Terraza?A: The Radiator replacement process begins with disconnecting the lower transmission oil cooler (TOC) line from the Radiator followed by disassembly of cooling fans and shroud together with Radiator outlet hose and Radiator inlet hose. First remove the bolt which fastens the Radiator to the condenser as well as the condenser tube clip screw. Position the Radiator together with the condenser towards the engine to remove them. Begin Radiator installation before installing the condenser tube clip screw and tighten it to 6 n.m (53 lb in). Fasten the Radiator to the condenser with the bolt while tightening it to 2.5 n.m (22 lb in). Follow the installation process by placing in the Radiator outlet hose then the inlet hose followed by cooling fans and shroud installation. To complete the installation connect the lower transmission oil cooler line to the Radiator before you refill the cooling system while checking the transmission fluid level.
- Q: How to replace or repair an emblem/nameplate on Buick Terraza?A: Use tape to guard your mounting surface before changing an emblem/nameplate. Also place tape alignment marks on the parts for installation. Apply heat from a gun over the entire emblem/nameplate surface in circular patterns for 30 seconds to make removal easier. A plastic flat tool will help you safely separate the emblem/nameplate from its panel tracking. Use 3M(TM) Scotch Brite molding adhesive remover disk 07501 for metal body panels or a lint-free cloth with VMP naptha or a water-and-isopropyl alcohol mixture for plastic panels. The setting must stay dust-free during installation to reduce adhesion problems. Dust the installation zone with the same cleaning solution on a lint-free cloth before drying. Place tape over the target spot before warming up the mounting area to 80-105°F and the emblem/nameplate surface to 85-90°F. Place the nameplate emblem directly into place through the holes while pushing down firmly to make strong contact between the parts. Take off the protective tape from the chosen area where you will place the nameplate.
- Q: How to replace the alternator on Buick Terraza?A: To replace the generator, first, disconnect the negative cable of the battery and disconnect the windshield wiper transmission link and place it aside. Perform a 360-degree turn of the engine, then remove the driveblelt. Detach the generator battery positive terminal and the regulator electrical connector, then remove the generator mounting nuts and bolts to get the generator out. For installing, locate the generator in its place and tighten the bolts to 50 n.m (37lb ft) and nuts to 30 n.m (22lb ft). Next , connect the drives belt generator battery also connect of the regulator electric connector , then re install the drive. Put the engine back to its normal place and tighten the engine mount strut bolts. Finally, repair the connection of the windshield wiper transmission and the negative Battery Cable.
- Q: How to Service and Repair the Steering Wheel on Buick Terraza?A: The SIR system needs to be disabled before starting replacement of the steering wheel. Start by taking apart the inflator module and unplug the steering wheel control electrical connector. Mount the J 1859-A Steering Wheel Puller (J 1859-A) and J 42578 Steering Wheel Puller Legs (J 42578) on the steering wheel while making sure the J 1859-A Steering Wheel Puller (J 1859-A) engages the steering wheel first. The tools enable the user to separate the steering wheel before removal. First remove steering wheel controls together with their control harness if your model has them. Install controls together with their control harness at the steering wheel while making sure the wire routing passes through it correctly. Place the steering wheel in position while reattaching the steering wheel control electrical connector. Secure the steering wheel with the nut at a torque rate of 41 Nm (30 ft. lbs.). You must finally install the inflator module and activate the Restraint System.
