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Engine Timing Chain

Part Number: 12646387
Supersession(s): 12646386
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CHAIN ASSEMBLY - Timing. Engine Timing Chain.
Engine Timing Chain.

Engine Timing Chain

4.8, 5.3 & 6.0 LITER. Camaro. Corvette. Corvette; w/o Z06. CT5. Escalade. Escalade ESV. Express, Savana. Express, Savana; Part Of Timing Gear Set. Sierra, Silverado. Silverado, Sierra. Suburban. Tahoe. Tahoe, Yukon, Escalade. Yukon XL.
Timing Chain - Repair or Replace
Your engine's timing chain can stretch over time resulting in a check engine light that comes along with excessive noise from your engine's timing cover. If the chain has broken, which is a rare occurrence, the engine will not start. If your 2007 has high mileage along with any of these other symptoms, contact our service department for expert diagnosis.

Rear door. Engine parts.
Full Diagram
Rear door. Engine parts. Diagram
#6
4. 8 & 5. 3 Liter. 5. 3 & 6. 0 liter. ALL. Lower. Upper. W/FLEX fuel. W/O flex fuel.
4.8. 5.3 & 6.0 LITER.
CAMSHAFT & TIMING. CRANKSHAFT & BEARINGS. CYLINDER HEAD & VALVES. LUBRICATION. MOUNTS. PISTONS. RINGS & BEARINGS.
Full Diagram
CAMSHAFT & TIMING. CRANKSHAFT & BEARINGS. CYLINDER HEAD & VALVES. LUBRICATION. MOUNTS. PISTONS. RINGS & BEARINGS. Diagram
#22
Balance shafts. Oil pan. Oil pump. Variable valve timing. 4 & 5. Savana; 6L90 Trans. Savana; 8L90 Trans. Savana; Driven. Savana; Exhaust Valve (Standard). Savana; Front. Savana; Intake Valve (Standard). Savana; Left Bank. Savana; New. Savana; No. 1. Savana; No. 2. Savana; No. 3. Savana; No. 4. Savana; Part Of Timing Gear Set.. Savana; Positions 1. Savana; Rear. Savana; Reman. Savana; Right Bank. Savana; See AUTOMATIC TRANS Group.. Savana; Thrust Bearing Kit. TENSIONER SHOE; Express.
Express. Savana; Part Of Timing Gear Set..
CAMSHAFT & TIMING. CRANKSHAFT & BEARINGS. CYLINDER HEAD & VALVES. LUBRICATION. MOUNTS. PISTONS. RINGS & BEARINGS.
Full Diagram
CAMSHAFT & TIMING. CRANKSHAFT & BEARINGS. CYLINDER HEAD & VALVES. LUBRICATION. MOUNTS. PISTONS. RINGS & BEARINGS. Diagram
#20
Oil pan. Oil pump. Variable valve timing. Passenger Van; New. Passenger Van; Reman. Savana; 2WD; 4.8L. Savana; 2WD; 5.3L; AWD; Left. Savana; 2WD; 5.3L; AWD; Right. Savana; 2WD; 5.3L; RWD. Savana; 2WD; 6.0L. Savana; 4.8L; w/o PF48 Oil Filter. Savana; 4.8L; w/PF48 Oil Filter. Savana; 5.3L; New. Savana; 5.3L; Reman. Savana; 6.0L; .5MM O.S. Savana; 6.0L; All; w/Iconel. Savana; 6.0L; All; w/o Iconel. Savana; 6.0L; Exhaust. Savana; 6.0L; Floating Pin w/Clip; 0.5MM O.S. Savana; 6.0L; Floating Pin w/Clip; Standard. Savana; 6.0L; Intake. Savana; 6.0L; Pin Pressed On. Savana; 6.0L; Standard. Savana; 6.0L; w/CNG; ALL. Savana; 6.0L; w/CNG; Cargo. Savana; 6.0L; w/CNG; Commercial Cutaway.
Express. Savana.

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