2006 Buick Rendezvous Cooling System Parts

This table covers the engine coolants and antifreeze formulations specified for this cooling system. Typical signs include a rising temperature gauge, rusty or sludged coolant, or a heater that blows cold. Use the chemistry named in the notes. Mixing silicate, OAT and HOAT formulas can gel in the radiator. Read more

17 Coolant / Antifreeze parts are listed for the 2006 Buick Rendezvous, from PRESTONE, PEAK, VALVOLINE and 3 other brands. FVP MV5050GAL carries the "Popular" badge. All of them fit every engine offered in the 2006 Rendezvous.

The Compatible With All Colors section lists 1 option from PRESTONE — grouped under the catalog's "Compatible With All Colors" designation — the notes column spells out what sets them apart. PRESTONE AF3055 is listed in this group.

In the Economy grade, FVP, PEAK, PRESTONE and 1 other brand supply 4 parts: the catalog's value-priced group. A representative part number is FVP MV5050GAL.

The Heavy Duty section lists 1 option from PRESTONE — rated for severe service. PRESTONE AFC12100 is listed in this group.

The Premium section lists 4 options from PRESTONE and PEAK — a step above OE specification in materials, tolerances or warranty terms. PRESTONE AF2100 is listed in this group.

The Standard Replacement section lists 7 options from VALVOLINE, PRESTONE, ACDELCO and 2 other brands — built to original-equipment specification. ACDELCO 105027 is listed in this group.

This table covers the bleeders used to purge air from the coolant circuit. Read more

This group shows a single part: DORMAN 902112.

This table covers the hard pipes and extra hoses in the coolant circuit. Read more

5 Coolant Hose / Pipe parts are listed for the 2006 Buick Rendezvous, from ACDELCO, CONTINENTAL, DAYCO and 2 other brands. ACDELCO 14156S carries the "Popular" badge.

This group includes ACDELCO 14156S, CONTINENTAL 63121 and DAYCO 71692 and the remaining parts above.

This table covers the seals at the Coolant Hose / Pipe. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

2 Coolant Hose / Pipe Seal parts for the 2006 Buick Rendezvous come from 2 brands — ELRING and GM GENUINE.

This group includes ELRING 943630 and GM GENUINE 12623519.

This table covers the seals at the Coolant Hose Connector / Flange. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

This group shows a single part: ELRING 943020.

This table covers the Coolant Level sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors. Read more

2 Coolant Level Sensor parts are listed for the 2006 Buick Rendezvous, from STANDARD MOTOR PRODUCTS and WALKER PRODUCTS. All of them fit every engine offered in the 2006 Rendezvous.

This group includes STANDARD MOTOR PRODUCTS FLS16 and WALKER PRODUCTS 2111045.

This table covers the gaskets that seal the Coolant Pipe. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

This group shows a single part: AJUSA 01154600.

This table covers the Coolant Reservoir retainers and clips. Read more

DORMAN supplies the 3 Coolant Reservoir Retainer / Clip parts for the 2006 Buick Rendezvous.

Part numbers include DORMAN 963022, DORMAN 700579 and DORMAN 961359.

This table covers the Cooling Fan control modules. Read more

3 Cooling Fan Control Module parts for the 2006 Buick Rendezvous come from US MOTOR WORKS.

Listed part numbers: US MOTOR WORKS 16749, US MOTOR WORKS 16789 and US MOTOR WORKS 16795.

This table covers the adapters used to pressure-test this cooling system. Read more

3 Cooling System Tester Adapter parts are listed for the 2006 Buick Rendezvous, from ACDELCO, GATES and MOTORAD. All of them fit every engine offered in the 2006 Rendezvous.

Part numbers include ACDELCO 12A01, GATES 31413 and MOTORAD 3003.

This table covers the radiators that dump engine heat to airflow through the core. Typical signs include overheating in traffic, a wet core, or coolant that disappears with no puddle. Replace the cap if it cannot hold the rated pressure, and bleed the system after the swap. Read more

19 Radiator parts are listed for the 2006 Buick Rendezvous, from TECHPRO, FVP, OSC and 8 other brands. AGILITY 8012730 carries the "Popular" badge.

Economy: 3 parts, from TECHPRO. A representative part number is TECHPRO GM3010213.

The Standard Replacement section: 3 options from AGILITY, FVP and OSC. AGILITY 8012730 is listed in this group.

13 ungrouped parts are not assigned to a grade, with the same engine-level match.

This table covers the caps that hold system pressure at the radiator or reservoir neck. Typical signs include a leak at the neck, a cap that will not hold pressure, or a missing tether. Match the pressure rating or thread in the notes — radiator, reservoir and fuel caps are not interchangeable. Read more

7 Radiator Cap parts are listed for the 2006 Buick Rendezvous, from MOTORAD, GATES, ACDELCO and 2 other brands. MOTORAD ST16V carries the "Popular" badge. 6 parts fit every engine; the other 1 is engine-specific.

The Locking Replacement section lists 2 options from MOTORAD and GATES — grouped under the catalog's "Locking Replacement" designation — the notes column spells out what sets them apart. MOTORAD ST16V is listed in this group.

The Standard Replacement section: 5 options from GATES, ACDELCO, CSF and 2 other brands. GATES 31523 is listed in this group.

This group includes MOTORAD ST16V, GATES 31516 and GATES 31523 and the remaining parts above.

This table covers the fan assemblies (and clutches, where listed) that pull air through the radiator. Read more

9 Radiator Fan Assembly parts for the 2006 Buick Rendezvous come from 6 brands — TECHPRO, TYC, UAC and 3 other brands. The "Popular" part is FOUR SEASONS 75365. 4 parts fit every engine; the other 5 are engine-specific.

The Economy section: 3 options from TECHPRO and GPD. GPD 2811535 is listed in this group.

Standard Replacement: 6 parts, from TYC, UAC, FOUR SEASONS and 1 other brand. A representative part number is FOUR SEASONS 75365.

Part numbers include FOUR SEASONS 75365, GPD 2811535 and TECHPRO GM3115136, among others listed above.

This table covers the Radiator Fan motors. Typical signs include no motion, a squeal, or a motor that only runs on one speed. Confirm power, ground and the control module before replacing the motor. Read more

2 Radiator Fan Motor parts are listed for the 2006 Buick Rendezvous, from FOUR SEASONS and VDO / CONTINENTAL. 1 part fits every engine; the other 1 is engine-specific.

Part numbers include FOUR SEASONS 35389 and VDO / CONTINENTAL PM540.

This table covers the upper, lower and connecting hoses between radiator, engine and reservoir. Typical signs include swelling, cracks, a soft spot, or a leak at a clamp. Replace adjacent aged hoses while the system is drained — they share the same heat cycle. Read more

16 Radiator Hose parts for the 2006 Buick Rendezvous come from 4 brands — DAYCO, GATES, CONTINENTAL and 1 other brand. The "Popular" part is CONTINENTAL 62088.

This table covers the Radiator Upper Air Baffle retainers and clips. Read more

2 Radiator Upper Air Baffle Retainer / Clip parts for the 2006 Buick Rendezvous come from DORMAN. Every part fits both the 3.5L V6 and the 3.6L V6.

Listed part numbers: DORMAN 700614 and DORMAN 963230D.

This table covers the senders that report coolant temperature to the gauge or ECU. Typical signs include a gauge that sits on empty or overheat, or a lamp that does not match what the engine is doing. Rule out the cluster and the wiring before replacing the sender. Read more

34 Temperature Sender / Sensor parts are listed for the 2006 Buick Rendezvous, from STANDARD MOTOR PRODUCTS, WALKER PRODUCTS, NTK and 16 other brands. SKP SKTX89 carries the "Popular" badge. They are grouped as Economy, Full Service Kit and Standard Replacement, with Standard Replacement the largest group at 23 parts from STANDARD MOTOR PRODUCTS, NTK, BOSCH and 9 other brands.

This table covers the thermostats that open the coolant circuit at the specified temperature. Typical signs include slow warm-up, a gauge that climbs in traffic, or heat that never quite arrives. Replace the housing gasket with the thermostat and bleed the system so a trapped air pocket does not cook the new part. Read more

26 Thermostat parts for the 2006 Buick Rendezvous come from 8 brands — MOTORAD, CALORSTAT, GATES and 5 other brands. The "Popular" part is MOTORAD 2067180. Economy, Heavy Duty, Performance, Premium and Standard Replacement are all represented, and Standard Replacement alone accounts for 18 parts.

This table covers the seals at the thermostat housing and water outlet. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

25 Thermostat / Thermostat Housing / Water Outlet Seal parts are listed for the 2006 Buick Rendezvous, from FEL-PRO, GM GENUINE, APEX and 5 other brands. FEL-PRO 35614 carries the "Popular" badge. 1 part fits every engine; the other 24 are engine-specific.

This table covers the housings and outlets the thermostat sits in. Read more

7 Thermostat Housing / Water Outlet parts for the 2006 Buick Rendezvous come from 6 brands — DORMAN, FAMOUS BRAND, GPD and 3 other brands. The "Popular" part is MOTORAD CH5166. 2 parts fit every engine; the other 5 are engine-specific.

The Economy section: 4 options from DORMAN, FAMOUS BRAND and GPD. DORMAN 9022004 is listed in this group.

Standard Replacement: 3 parts, from MOTORAD, FOUR SEASONS and GATES. A representative part number is MOTORAD CH5166.

Listed part numbers: MOTORAD CH5166, DORMAN 9022004 and DORMAN 9022098, plus the other parts above.

This table covers the pumps that circulate coolant through the block and radiator. Typical signs include coolant at the weep hole, pulley play, or a growl from the front of the engine. Replace the thermostat and refill with the specified coolant whenever the pump comes off. Read more

23 Water Pump parts for the 2006 Buick Rendezvous come from 13 brands — GM GENUINE, SKP, FVP and 10 other brands. The "Popular" part is BECK/ARNLEY 1312378.

The Economy section: 11 options from SKP, FVP, US MOTOR WORKS and 4 other brands. BECK/ARNLEY 1312378 is listed in this group.

Standard Replacement: 12 parts, from GM GENUINE, ACDELCO, GATES and 3 other brands. A representative part number is ACDELCO 252721.

This table covers the gaskets between the water pump and the block or housing. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

11 Water Pump Gasket parts are listed for the 2006 Buick Rendezvous, from FEL-PRO, GM GENUINE, APEX and 3 other brands. FEL-PRO 35403 carries the "Popular" badge.

This table covers the Water Pump pulleys. Typical signs include a growl or chirp that follows engine speed, or a pulley that will not spin freely by hand. Spin each pulley with the belt off. Roughness or play means replace it with the belt. Read more

2 Water Pump Pulley parts are listed for the 2006 Buick Rendezvous, from DORMAN and GM GENUINE.

Listed part numbers: DORMAN 300933 and GM GENUINE 12611587.

This table covers the Water Pump Seal O-rings. Typical signs include a seep at a fitting or a housing that weeps after a service. Lube the new O-ring with the fluid it will see, and do not roll it into the groove. Read more

This group shows a single part: GM GENUINE 12691259.

This table covers the Water Pump Stud kits. Read more

This group shows a single part: DORMAN 902806.