How to replace the camshaft on Chevrolet Astro?

Engine cover removal along with air cleaner assembly, radiator, a/c condenser, radiator grille, valve lifters, timing chain, and Camshaft sprocket must be completed before removing the balance shaft drive gear and Camshaft from the engine block. Inspection together with cleaning must happen before the Camshaft and bearings. A new Camshaft installation requires changing the engine oil and filter together with adding gm engine oil supplement gm p/n 1052367 (Canadian P/N 992869) or its equivalent to the engine oil. Install the engine block's Camshaft first with subsequent steps including the balance shaft drive gear and Timing Chain and Camshaft sprocket. Install all components including valve lifters A/C Condenser Radiator grille and Radiator followed by engine cooling system fill and air conditioning system recharge. The next step involves reinstalling both the air cleaner assembly along with the engine cover.

What additional engine repair information is available for camshaft service and repair on Chevrolet Astro?

The vehicle manufacturer developed separate servicing instructions for camshafts but silent procedures point to no official service procedure being provided by them. Unit repair encompasses necessary service procedures, machining, cleaning, inspection, and fitting as part of engine overhaul, including cylinder boring and honing, connecting rod and bearings - fitting, crankshaft and bearings - fitting, Camshaft bearings - replacement, connecting rod and Piston - disassembly, Cylinder Head - disassembly, valve train components (Valves, Seats, Springs, Rockers, etc.), oil pump - disassembly, pistons and rings - fitting, thread repair information, and valve and seat grinding (Valve Job). The service covers the replacement of all timing components in addition to the other areas.

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Chevrolet Astro Camshaft Part Number: 10241691
$350.19 MSRP: $556.00
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Product Specifications
- Other Name: Camshaft, Engine
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2002 Chevrolet Astro | Base, LS, LT | 6 Cyl 4.3 L GAS
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Chevrolet Astro Camshaft Part Number: 10172776
$124.24 MSRP: $322.79
You Save: $198.55 (62%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Camshaft, Engine
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1993 Chevrolet Astro | Base, CL, CS, LT | 6 Cyl 4.3 L GAS
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Chevrolet Astro Camshaft Part Number: 12703806
$349.01 MSRP: $566.42
You Save: $217.41 (39%)
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Product Specifications
- Other Name: Camshaft Assembly-Overhead Valve; Camshaft, Engine
- Replaces: 12568989
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2005 Chevrolet Astro | Base, LS, LT | 6 Cyl 4.3 L GAS
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Chevrolet Astro Camshaft Part Number: 10144047
Product Specifications
- Other Name: Camshaft, Engine
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-1994 Chevrolet Astro | Base, CL, CS, LT | 6 Cyl 4.3 L GAS
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Chevrolet Astro Camshaft Part Number: 10241693
Product Specifications
- Other Name: Camshaft, Engine
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1995 Chevrolet Astro | Base, CL, CS, LT | 6 Cyl 4.3 L GAS
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Chevrolet Astro Camshaft Part Number: 10214713
Product Specifications
- Other Name: Camshaft, Engine
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1987-1992 Chevrolet Astro | Base, CL, CS, LT | 6 Cyl 4.3 L GAS
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Chevrolet Astro Camshaft Part Number: 10144065
Product Specifications
- Other Name: Camshaft, Engine
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994 Chevrolet Astro | Base, CL, CS, LT | 6 Cyl 4.3 L GAS
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Chevrolet Astro Camshaft Part Number: 10055487
Product Specifications
- Other Name: Camshaft, Engine
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1990-1991 Chevrolet Astro | Base, CL, CS, LT | 6 Cyl 4.3 L GAS
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Chevrolet Astro Camshaft Part Number: 10029787
Product Specifications
- Other Name: Camshaft, Engine
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1990 Chevrolet Astro | Base, CL, CS | 4 Cyl 2.5 L GAS

Chevrolet Astro Camshaft

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In Chevrolet Astro car models, the camshaft is a very vital component as it is responsible for controlling the opening and closing of the engines intake and exhaust valves to allow for the introduction of air/fuel mixture into the cylinder and the expulsion of exhaust gases. Usually made of cast iron the Chevrolet Astro camshaft works through mechanisms such as Ohv, Sohc and DoHC affecting engine performance. Performance camshafts increase valve lift and duration thereby increasing airflow and therefore power and efficiency. Further, aspects like the Chevrolet Astro camshaft LSA also influences the amount of torque and quality of idle to deliver custom performance in accordance with modifi cations done to the car.

Chevrolet Astro Camshaft Parts and Q&A

Camshaft
12703806
Q: How to replace the camshaft on Chevrolet Astro?
A:
Engine cover removal along with air cleaner assembly, Radiator, A/C Condenser, radiator grille, valve lifters, Timing Chain, and Camshaft sprocket must be completed before removing the balance shaft drive gear and Camshaft from the engine block. Inspection together with cleaning must happen before the Camshaft and bearings. A new Camshaft installation requires changing the engine oil and filter together with adding gm engine oil supplement gm p/n 1052367 (Canadian P/N 992869) or its equivalent to the engine oil. Install the engine block's Camshaft first with subsequent steps including the balance shaft drive gear and Timing Chain and Camshaft sprocket. Install all components including valve lifters A/C Condenser Radiator grille and Radiator followed by engine cooling system fill and air conditioning system recharge. The next step involves reinstalling both the air cleaner assembly along with the engine cover.
Camshaft
10241691
Q: What additional engine repair information is available for camshaft service and repair on Chevrolet Astro?
A:
The vehicle manufacturer developed separate servicing instructions for camshafts but silent procedures point to no official service procedure being provided by them. Unit repair encompasses necessary service procedures, machining, cleaning, inspection, and fitting as part of engine overhaul, including cylinder boring and honing, connecting rod and bearings - fitting, Crankshaft and bearings - fitting, Camshaft bearings - replacement, connecting rod and Piston - disassembly, Cylinder Head - disassembly, valve train components (Valves, Seats, Springs, Rockers, etc.), oil pump - disassembly, pistons and rings - fitting, thread repair information, and valve and seat grinding (Valve Job). The service covers the replacement of all timing components in addition to the other areas.