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Engine Exhaust System: Specifications Chevrolet Sonic I

Exhaust ~261 words

Fastener Tightening Specifications

ApplicationSpecification
MetricEnglish
3-Way Catalytic Converter-to-Front Exhaust Pipe20 N.m15 lb ft
3-Way Catalytic Converter-to-Exhaust Muffler17 N.m13 lb ft
Catalytic Converter Brace Fastener (LUV)22 N.m16 lb ft
Catalytic Converter Brace Fastener (LUW)20 N.m15 lb ft
Exhaust Manifold with Catalytic Converter-to-Cylinder Head Fastener (LUW)15 N.m11 lb ft
Exhaust Manifold Brace Fastener (LUW)20 N.m15 lb ft
Exhaust Manifold Heat Shield (LUV)9 N.m80 lb in
Exhaust Muffler Clamp (Service)50 N.m37 lb ft
Exhaust Muffler Heat Shield4 N.m35 lb in
Front Exhaust Pipe-to-Catalytic Converter (LUW)20 N.m15 lb ft
Turbocharger Clamp Fastener (LUV)13 N.m115 lb in

Fastener Tightening Specifications

Symptoms - Engine Exhaust

  1. Review the Exhaust System Description and Operation in order to familiarize yourself with the system functions. Refer to «Exhaust System Description»(ref-542543-S24515882282013041600000) .
  2. All diagnostics on a vehicle should follow a logical process. Strategy Based Diagnostics is a uniform approach for repairing all systems. The diagnostic flow is the place to start when repairs are necessary and may always be used in order to resolve a system problem. For a detailed explanation, refer to «Strategy Based Diagnosis»(ref-542476-S11988299792013041600000) .

Visual/Physical Inspection

  1. Inspect for aftermarket or non-OEM devices such as, but not including, tailpipe extensions, mufflers, and exhaust hangers. This could affect the operation and proper performance of the exhaust system.
  2. Verify the exact operating conditions under which the concern exists. Note factors such as engine RPM, engine temperature, engine load, and frequency of concern.
  3. Inspect the easily accessible or visible system components for obvious damage or conditions which could cause any symptom.

Intermittent

Test the vehicle under the same conditions that the customer reported in order to verify the system is operating as designed.

Symptom List

Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom

  1. Loss of power-Refer to «Restricted Exhaust»(ref-542543-S28815913982013041600000) .
  2. Poor acceleration-Refer to «Restricted Exhaust»(ref-542543-S28815913982013041600000) .
  3. Poor fuel economy-Refer to «Restricted Exhaust»(ref-542543-S28815913982013041600000) .
  4. Exhaust hissing noise-Refer to «Exhaust Leakage»(ref-542543-S33124716872013041600000) .
  5. Exhaust popping noise-Refer to «Exhaust Leakage»(ref-542543-S33124716872013041600000) .
  6. Exhaust rattle noise-Refer to «Exhaust Noise»(ref-542543-S23871368892013041600000) .
  7. Loud exhaust noise-Refer to «Exhaust Noise»(ref-542543-S23871368892013041600000) .
  8. Exhaust buzz, groan, hum noise-Refer to «Exhaust Noise»(ref-542543-S23871368892013041600000) .

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