2013 Chevrolet Express 3500 Base Standard Cargo Van 6.0L Vortec V8 CNG A/T Engine Timing Chain - 12637744

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2013 Chevrolet Express 3500 Base Standard Cargo Van 6.0L Vortec V8 CNG A/T

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Engine Timing Chain

Part Number: 12637744
Supersession(s): 12566651; 12590920; 12597307; 12599718; 12616609; 12633451

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Chain. Timing. Assembly - CM/SHF INTER Drive. Guide. Engine.
2nd Design. Crank to Idler. Engine Timing Chain.

Engine Timing Chain

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 2013 Chevrolet Express 3500 has high mileage along with any of these other symptoms, contact our service department for expert diagnosis.

ENGINE / TRANSAXLE. ENGINE PARTS.

Full Diagram

lower. non key type. primary. secondary. short. upper.

primary.

ENGINE / TRANSAXLE. ENGINE PARTS.

Full Diagram

primary. secondary.

primary.

ENGINE / TRANSAXLE. ENGINE PARTS.

Full Diagram

long. primary. secondary. short.

primary.

CAMSHAFT & TIMING. CRANKSHAFT & BEARINGS. CYLINDER HEAD & VALVES. LUBRICATION. MOUNTS. PISTONS. RINGS & BEARINGS.

Full Diagram

#18

OIL COOLER. OIL PAN. OIL PUMP. VARIABLE VALVE TIMING. CAMSHAFT OIL SEALS; XTS. XTS; AWD. XTS; Exhaust; Left; w/o Turbocharger. XTS; Exhaust; Left; w/Turbocharger. XTS; Exhaust; Right; w/o Turbocharger. XTS; Exhaust; Right; w/Turbocharger. XTS; Front; AWD. XTS; Front; FWD. XTS; Full Set. XTS; FWD. XTS; Intake; Left; w/o Turbocharger. XTS; Intake; Left; w/Turbocharger. XTS; Intake; Right; w/o Turbocharger. XTS; Intake; Right; w/Turbocharger. XTS; Left; w/o Turbocharger. XTS; Left; w/Turbocharger. XTS; Primary Chain; Lower. XTS; Primary Chain; Upper. XTS; Rear; Left; AWD. XTS; Rear; Left; FWD. XTS; Rear; Right; AWD. XTS; Rear; Right; FWD.

XTS; Primary.

CAMSHAFT & TIMING. CRANKSHAFT & BEARINGS. CYLINDER HEAD & VALVES. LUBRICATION. MOUNTS. PISTONS. RINGS & BEARINGS.

Full Diagram

#18

Oil pan. Oil pump. Variable valve timing. 2 & 4. CTS; 1st Design. CTS; 2nd Design. CTS; Exhaust; Left. CTS; Exhaust; Right. CTS; Intake; Left. CTS; Intake; Right. CTS; Left. Cts; No. 1. Cts; No. 3. CTS; Primary Chain. CTS; Right. CTS; Secondary Chain; Slack Side; Left. CTS; Secondary Chain; Slack Side; Right. CTS; Secondary Chain; Tensioner Side; Left. CTS; Secondary Chain; Tensioner Side; Right. CTS; Secondary; Left. CTS; Secondary; Right.

CTS; Primary.

CAMSHAFT & TIMING. CRANKSHAFT & BEARINGS. CYLINDER HEAD & VALVES. LUBRICATION. MOUNTS. PISTONS. RINGS & BEARINGS.

Full Diagram

#18

OIL PAN. OIL PUMP. VARIABLE VALVE TIMING. ATS; All. ATS; California. ATS; Exhaust; Left. ATS; Exhaust; Right. ATS; Federal. ATS; Intake; Left. ATS; Intake; Right. ATS; Kit. ATS; Left; All. ATS; Left; California. ATS; Left; Federal. ATS; Left; w/o SIDI Engine. ATS; Left; w/SIDI Engine. ATS; Lower. ATS; Main Bearing. ATS; Primary Chain; Lower. ATS; Primary Chain; Upper. ATS; Primary; Left. ATS; Primary; Right. ATS; Right; All. ATS; Right; California. ATS; Right; Federal. ATS; Secondary Chain; Slack Side; Left.

ATS; Primary.

CAMSHAFT & TIMING. CRANKSHAFT & BEARINGS. CYLINDER HEAD & VALVES. LUBRICATION. MOUNTS. PISTONS. RINGS & BEARINGS.

Full Diagram

#20

OIL PAN. OIL PUMP. VARIABLE VALVE TIMING. Impala; .25MM OS. Impala; All; w/CNG. Impala; All; w/o CNG. Impala; California. Impala; Exhaust; Left. Impala; Exhaust; Right. Impala; Federal. Impala; Front. Impala; Intake; Left. Impala; Intake; Right. Impala; Left; All; w/CNG. Impala; Left; All; w/o CNG. Impala; Left; California. Impala; Left; Federal. Impala; Main Bearing; Stamped 1. Impala; Primary Chain; w/CNG. Impala; Primary Chain; w/o CNG. Impala; Rear. Impala; Right; All; w/CNG. Impala; Right; All; w/o CNG. Impala; Right; California. Impala; Right; Federal. Impala; Secondary Chain; w/CNG; Slack Side.

Impala; Primary Chain; w/CNG.

CAMSHAFT & TIMING. CRANKSHAFT & BEARINGS. CYLINDER HEAD & VALVES. LUBRICATION. MOUNTS. PISTONS. RINGS & BEARINGS.

Full Diagram

#18

Impala; Primary.

CAMSHAFT & TIMING. CRANKSHAFT & BEARINGS. CYLINDER HEAD & VALVES. LUBRICATION. MOUNTS. PISTONS. RINGS & BEARINGS.

Full Diagram

#18

Oil cooler. Oil pan. Oil pump. Variable valve timing. Impala; California. Impala; Exhaust; Left. Impala; Exhaust; Right. Impala; Federal. Impala; Front. Impala; Intake; Left. Impala; Intake; Right. Impala; Left; All. Impala; Left; California. Impala; Left; Federal. Impala; Main Set; All. Impala; Main Set; Lower. Impala; Main Set; Upper. Impala; Primary Chain. Impala; Rear. Impala; Right; All. Impala; Right; California. Impala; Right; Federal. Impala; Secondary Chain; Slack Side; Left. Impala; Secondary Chain; Slack Side; Right. Impala; Secondary Chain; Tensioner Side; Left. Impala; Secondary Chain; Tensioner Side; Right.

Impala; Primary.

CAMSHAFT & TIMING. CRANKSHAFT & BEARINGS. CYLINDER HEAD & VALVES. LUBRICATION. MOUNTS. PISTONS. RINGS & BEARINGS.

Full Diagram

#18

Oil pan. Oil pump. Variable valve timing. 2 & 4. STS; All. STS; Exhaust; Left. STS; Exhaust; Right. STS; Intake; Left. STS; Intake; Right. STS; Left. Sts; No. 1. Sts; No. 3. STS; Primary Chain; Lower. STS; Primary Chain; Upper. Sts; Right; 2WD. STS; Right; 6 Speed. Sts; Right; awd. STS; Secondary Chain; Slack Side; Left. STS; Secondary Chain; Slack Side; Right. STS; Secondary Chain; Tensioner Side; Left. STS; Secondary Chain; Tensioner Side; Right. STS; Secondary; Left. STS; Secondary; Right. Sts; W/O awd.

STS; Primary.