How to replace the coolant reservoir on 2003 GMC Envoy?

To replace the coolant recovery reservoir, pull the air cleaner assembly, then remove the bracket bolt that secures the accumulator on the cooling recovery reservoir, and move it out from the way. Expose the coolant hoses connected to the coolant recovery reservoir and plug the hoses and reservoir outlets with favorable plugs. Next, it's time to remove the nut and bolt securing the coolant recovery reservoir and remove the reservoir. For installation, position the new coolant recovery reservoir and follow the fastener notice for proper securement. Mount the retaining bolt to the front wheel house panel and bolt it to 12 nm (106 inch lbs) and mount the coolant recovery reservoir with a nut of 10 nm (88 inch lbs) into the wheel house panel. Restart the coolant hose with the coolant recovery reservoir, replace the accumulator to the coolant recovery reservoir and fasten it with the bracket and bolt. Finally, put the air cleaner assembly back in place.

OEM 2003 GMC Envoy Coolant Reservoir

Coolant Tank Reservoir

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3 Coolant Reservoirs found

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2003 GMC Envoy Tank
Part Number: 52487854
$35.43 MSRP: $75.00
You Save: $39.57 (53%)
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Product Specifications
- Other Name: Tank, Radiator; Coolant Reservoir
- Item Weight: 5.50 Pounds
- Item Dimensions: 6.2 x 6.2 x 30.5 inches
- Condition: New
- SKU: 52487854
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following 2003 GMC Envoy Submodels:
- SLE, SLT | 6 Cyl 4.2 L GAS
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2003 GMC Envoy Transmission Cooler
Part Number: 89022552
$115.28 MSRP: $172.32
You Save: $57.04 (34%)
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Product Specifications
- Other Name: Tank; Tank Kit, Radiator
- Item Weight: 3.10 Pounds
- Item Dimensions: 6.2 x 6.2 x 29.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 89022552
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2003 GMC Envoy Submodels:
- SLE, SLT | 6 Cyl 4.2 L GAS
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2003 GMC Envoy Reservoir Tank
Part Number: 25780737
Product Specifications
- Other Name: Reservoir, Coolant Recovery; Coolant Reservoir; Reservoir; Reservoir, Engine Coolant Recovery
- Replaces: 15884833, 15144777, 15762761
- Item Weight: 3.60 Pounds
- Item Dimensions: 18.5 x 12.8 x 8.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 25780737
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 GMC Envoy Submodels:
- Denali, SLE, SLT | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS

2003 GMC Envoy Coolant Reservoir

With a comprehensive array of OEM 2003 GMC Envoy Coolant Reservoir, from fuel pumps to door handles, our website is a one-stop-shop for your needs. All our genuine 2003 GMC Envoy Coolant Reservoir are backed by the manufacturer's warranty and are offered at competitive prices in the market. Rest assured, you can shop with complete confidence.

2003 GMC Envoy Parts Questions & Experts Answers

Q: How to replace the coolant reservoir on 2003 GMC Envoy?
A: To replace the coolant recovery reservoir, pull the air cleaner assembly, then remove the bracket bolt that secures the accumulator on the cooling recovery reservoir, and move it out from the way. Expose the coolant hoses connected to the coolant recovery reservoir and plug the hoses and reservoir outlets with favorable plugs. Next, it's time to remove the nut and bolt securing the coolant recovery reservoir and remove the reservoir. For installation, position the new coolant recovery reservoir and follow the fastener notice for proper securement. Mount the retaining bolt to the front wheel house panel and bolt it to 12 nm (106 inch lbs) and mount the coolant recovery reservoir with a nut of 10 nm (88 inch lbs) into the wheel house panel. Restart the coolant hose with the coolant recovery reservoir, replace the accumulator to the coolant recovery reservoir and fasten it with the bracket and bolt. Finally, put the air cleaner assembly back in place.