Heater hose assembly replacement

2005 BUICK RENDEZVOUS
3.4L • 6 CYL • FWD
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HARVEYHARTIS30
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  • 1 POST
I need to know how to replace the heater hose assembly pipe
Mar 1, 2015 at 3:38 PM
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ASEMASTER6371
  • ASE Certified Mechanic
  • 52,796 POSTS
  • ASE Certified Mechanic
It is a tight fit. You need to remove the air filter Assembly, then you can see it. It runs from the heater core to the intake manifold. The hose has a 15mm nut that has to be loosened and the tube will slide out of the manifold. I attached a picture and the procedure for you of the replacement.

https://www.2carpros.com/articles/replace-heater-hoses

Roy

1. Drain the coolant until the coolant level is below the lower radiator hose.
2. Remove the lower radiator hose from the coolant inlet pipe.
3. Remove the water coolant inlet pipe bolts and the coolant inlet pipe.
4. Remove and discard the coolant inlet pipe seal.

Installation Procedure


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1. Install the NEW coolant inlet pipe seal.

2. Notice: Refer to Fastener Notice in Service Precautions.

Install the coolant inlet pipe bolts.
Tighten the water outlet upper bolt (2) to 23 Nm (17 ft. lbs.).
Tighten the water outlet lower bolt (1) to 50 Nm (37 ft. lbs.).
3. Install the lower radiator hose to the coolant inlet pipe. .
4. Fill the cooling system.
Jan 7, 2021 at 4:19 PM
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