How to replace a water pump on Chevrolet Astro?

Before working on the Water Pump substitute check that engine temperature is cold to avoid burns and drain coolant from Radiator. First detach the air cleaner assembly plus the Mass Air Flow Sensor plus upper Fan Shroud. Start by removing the Drive Belt followed by both fan components including the Fan Blade clutch. To access the coolant pump you need to remove its bolted pulley and pulley components before disconnecting both the coolant bypass hose and clamps like the Radiator hoses. Disconnect the bolts from all four pump sides to extract the coolant pump with its gaskets by checking both surface areas for defects or burrs. Look at every part of the replacement equipment and put in new items when needed. Insert the coolant pump gaskets first and secure the pump through its four bolts while applying 45 nm of torque. Rejoin the coolant pump's bypass hose after you tighten its clamps while attaching the Radiator Hose back to the pump also. Put the pulley on the coolant pump then twist its bolts to 25 nm (18 ft.lb.) before placing back the fan and Fan Clutch assembly, putting on the Drive Belt, and securing the upper Fan Shroud with bolts. Connect the maf sensor and air cleaner assembly onto their places before filling the Radiator with coolant and turning on the engine. Once the engine hits normal temperature look for coolant escapes.

OEM Chevrolet Astro Water Pump

H2O Pump

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6 Water Pumps found

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Chevrolet Astro Water Pump Part Number: 89060527
$232.95 MSRP: $456.07
You Save: $223.12 (49%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Pump Kit, Water; Water Pump Assembly; Pump Kit, Engine Coolant
- Replaces: 12528917, 89017748, 12532528
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2005 Chevrolet Astro | Base, LS, LT | 6 Cyl 4.3 L GAS
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Chevrolet Astro Water Pump Part Number: 19417097
$138.29 MSRP: $268.39
You Save: $130.10 (49%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Pump Kit, Water; Water Pump Assembly; Pump Kit, Engine Coolant; Pump, Engine Coolant
- Replaces: 19201601, 88894005, 12532531, 12532529, 12369487
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1987-1995 Chevrolet Astro | Base, CL, CS, LT | 6 Cyl 4.3 L GAS
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Chevrolet Astro Water Pump Part Number: 10032022
$87.38 MSRP: $125.03
You Save: $37.65 (31%)
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Product Specifications
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1986 Chevrolet Astro | Base, CL, CS | 4 Cyl 2.5 L GAS
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Chevrolet Astro Water Pump Part Number: 12685965
$142.22 MSRP: $278.43
You Save: $136.21 (49%)
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Product Specifications
- Other Name: Pump Kit-Water; Pump Assembly; Water Pump Assembly; Pump Kit, Engine Coolant; Pump, Engine Coolant; Steering
- Replaces: 12522033, 12529305, 88894341
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1986 Chevrolet Astro | Base, CL, CS | 6 Cyl 4.3 L GAS
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Chevrolet Astro Water Pump Part Number: 12491038
$94.23 MSRP: $230.74
You Save: $136.51 (60%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Pump Kit, Water; Water Pump Assembly; Pump Kit, Engine Coolant
- Replaces: 12458920, 10181327
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1987-1990 Chevrolet Astro | Base | 4 Cyl 2.5 L GAS
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Chevrolet Astro Water Pump Part Number: 12507784
Product Specifications
- Other Name: Pump Kit, Water; Water Pump Assembly; Pump Kit, Engine Coolant
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1986 Chevrolet Astro | Base, CL, CS | 4 Cyl 2.5 L GAS

Chevrolet Astro Water Pump

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This device found in Chevrolet Astro motor vehicles is central for regulating the engine temperature which is accomplished by moving coolant through the water jacket and toward the radiator. Today's Water Pumps are generally made of aluminum cast, which rotates with the help of belt clutch of crankshaft and has an impeller to pump water or coolant. Some signs of a bad water pump are: leakage, noise of the bearings, and high temperature due to the faulty impeller. Powerful water pumps can be procured for better coolant circulation, and Crankshaft can be between modified OE cast iron and special aluminum. Advantages such as no parasitic loss and selectable flow rates also apply to the electric water pumps, which are thus preferable in high-end car designs. The use of appropriate coolant every two years and proper replacement of damaged units are some of the most important things that should be performed to the water pump in order to serve a long and efficient time.

Chevrolet Astro Water Pump Parts Questions & Experts Answers

Water Pump
89060527
Q: How to replace a water pump on Chevrolet Astro?
A:
Before working on the Water Pump substitute check that engine temperature is cold to avoid burns and drain coolant from Radiator. First detach the air cleaner assembly plus the Mass Air Flow Sensor plus upper Fan Shroud. Start by removing the Drive Belt followed by both fan components including the Fan Blade clutch. To access the coolant pump you need to remove its bolted pulley and pulley components before disconnecting both the coolant bypass hose and clamps like the Radiator Hoses. Disconnect the bolts from all four pump sides to extract the coolant pump with its gaskets by checking both surface areas for defects or burrs. Look at every part of the replacement equipment and put in new items when needed. Insert the coolant pump gaskets first and secure the pump through its four bolts while applying 45 nm of torque. Rejoin the coolant pump's bypass hose after you tighten its clamps while attaching the Radiator Hose back to the pump also. Put the pulley on the coolant pump then twist its bolts to 25 nm (18 ft.lb.) before placing back the fan and Fan Clutch assembly, putting on the Drive Belt, and securing the upper Fan Shroud with bolts. Connect the maf sensor and air cleaner assembly onto their places before filling the Radiator with coolant and turning on the engine. Once the engine hits normal temperature look for coolant escapes.