Mechanics

BUICK REGAL RADIATOR PROBLEM

1998 Buick Regal • 155,000 miles

How difficult is it to change the radiator in a buick regal with 3800 supercharged engine 1998?
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RKHARRIS717
March 23, 2013.




1. Remove air cleaner and duct assembly.
2. Drain the coolant.
3. Remove the engine strut brace bolts from the upper tie bar and rotate the strut(s) and brace(s) rearward.
Important: To prevent shearing of rubber bushing(s) loosen bolt(s) on engine strut(s) before swinging strut(s).

4. Remove the electric cooling fans.
5. Remove the upper radiator brackets and bolts.
6. Use the J 38185 in order to reposition the hose clamps at the radiator.
7. Disconnect the radiator inlet hose from the radiator.
8. Disconnect the radiator outlet hose from the radiator.

9. Remove the low coolant module.
10. Disconnect the transaxle oil cooler pipes from the radiator. Refer to one of the following: Automatic Transmission Oil Cooler Pipes Replacement (With Threaded Fittings) in Automatic Transaxle - 4T60-E
Automatic Transmission Oil Cooler Pipes Replacement (With Quick Connect Fittings) in Automatic Transaxle - 4T60-E
Automatic Transmission Oil Cooler Pipes Replacement (With Threaded Fittings) in Automatic Transaxle - 4T65-E.
Automatic Transmission Oil Cooler Pipes Replacement (With Quick Connect Fittings) in Automatic Transaxle - 4T65-E.
11. Remove the radiator.
INSTALLATION PROCEDURE

1. Install the radiator to the lower mounts.
2. Connect the transaxle oil cooler lines to the radiator. Refer to one of the following: Automatic Transmission Oil Cooler Pipes Replacement (With Threaded Fittings) in Automatic Transaxle - 4T60-E
Automatic Transmission Oil Cooler Pipes Replacement (With Quick Connect Fittings) in Automatic Transaxle - 4T60-E
Automatic Transmission Oil Cooler Pipes Replacement (With Threaded Fittings) in Automatic Transaxle - 4T65-E.
Automatic Transmission Oil Cooler Pipes Replacement (With Quick Connect Fittings) in Automatic Transaxle - 4T65-E.
3. Install the low coolant module.
4. Install the radiator outlet hose.
5. Install the radiator inlet hose.
6. Use the J 38185 in order to reposition and install the hose clamps at the radiator.

7. Install the radiator brackets and bolts.
Tighten the bolts to 24 Nm (18 ft. Lbs.)
Notice: Refer to Fastener Notice in Service Precautions.

8. Install the electric cooling fans.
9. Install the engine mount struts.
10. Fill the cooling system.
11. Install the air cleaner and the duct assembly.
12. Inspect for leaks.

ASEMaster6371
Mar 23, 2013.


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