How to Service and Repair a Radiator Cap on 2000 Jeep Grand Cherokee?

To keep the radiator cap on, scrub it with a mild soap and water solution. Check the pressure valve gasket for any swelling, tears or wear and replace the cap if necessary. Also, check for white deposits around the radiator filler neck, this is a sign of a leaky cap.

OEM 2000 Jeep Grand Cherokee Radiator Cap

Cooling Radiator Cap

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2 Radiator Caps found

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2000 Jeep Grand Cherokee Radiator Cap Part Number: 52028974AA
$27.13 MSRP: $35.00
You Save: $7.87 (23%)
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Product Specifications
- Other Name: Cap - Radiator; Engine Coolant Reservoir Cap; Reservoir Cap; Cap; Cap Radiator
- Item Weight: 0.60 Pounds
- Item Dimensions: 2.7 x 2.7 x 1.7 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 52028974AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2000 Jeep Grand Cherokee Submodels:
- High Altitude, Laredo, Limited, Limited X, Overland, Overland Summit, SRT, SRT8, Sport, Summit, Trailhawk | 6 Cyl 3.0 L DIESEL, 6 Cyl 3.6 L FLEX, 8 Cyl 4.7 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.4 L GAS
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2000 Jeep Grand Cherokee Radiator Cap Part Number: 55116901AA
$18.13 MSRP: $23.35
You Save: $5.22 (23%)
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Product Specifications
- Other Name: Cap - Radiator; Engine Coolant Reservoir Cap; Reservoir Cap; Cap; Cap Radiator
- Replaces: 52079799AA
- Item Weight: 0.50 Pounds
- Item Dimensions: 1.4 x 2.7 x 2.7 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 55116901AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2000 Jeep Grand Cherokee Submodels:
- 5.9 Limited, Base, Laredo, Limited, Orvis, SE, Special Edition, Sport, TSi | 4.0L V6, 6 Cyl 4.0 L GAS, 8 Cyl 5.2 L GAS, 8 Cyl 5.9 L GAS

2000 Jeep Grand Cherokee Radiator Cap Parts and Q&A

Q: How to Service and Repair a Radiator Cap on 2000 Jeep Grand Cherokee?
A: To keep the radiator cap on, scrub it with a mild soap and water solution. Check the pressure valve gasket for any swelling, tears or wear and replace the cap if necessary. Also, check for white deposits around the radiator filler neck, this is a sign of a leaky cap.