![]() THIS is a Likely Problem Area of the Fan Clutch Wiring that CAN Short the 5 Volt Circuit to Ground: these PCM Pin-Out Images will prove Helpful: If it becomes necessary to Back Probe any of the PCM Harness Connectors. How or what wires do I check on the PCM to make sure the PCM is putting out the correct 5 volts for reference?ĭon't want to buy a PCM if I can avoid it and understand you have to have a relearn for the cam shaft positioning sensor and let the vehicle set with the key on for the security system to sync up with a new PCM for 30 minutes if I was told correctly.Īny diagrams on wiring or advice is appreciated. This has happened two times before the wiring to the fan clutch seems on and wires are not crushed.Ĭould this be a bad PCM or Wiring harness maybe? To get it started I had to unplug the fan clutch plug and clear the codes then it started and plugged in the fan clutch again no codes since or issues since. Yesterday I drove the Trailblazer and stopped at the store for 5 minutes returned and the Trailblazer would not start got the P0651 again. The map sensor is brand new also installed new Throttle body, new gas pedal with the sensor, New fan clutch and water pump. Getting random start vehicle issues were I get P0651 and P0107 codes. All other trademarks used herein are trademarks of their respective owners.What are the signs of a PCM going or gone bad? Auto repair shop prices are set by each shop and may be different than price ranges estimated here - particularly if the scope of work varies from that described here. These estimates show a range of fair prices for your vehicle and geographic area. United States Bureau of Labor Statistics Wage Data by Area and Occupation Survey summaries of regional wages for automotive repair professionals.Ĭost to Replace Chevrolet TrailBlazer Timing Chain - NotesĬost estimates are based on industry average productivity levels for the repair and local labor rates charged by experienced automotive professionals.Aftermarket Versus Manufacturer Car Parts - Is it Worth the Premium Cost? An authoritative industry study that compares the average cost, quality and warranty history of Original Equipment Manufacturer (OEM) parts to Aftermarket substitute parts.Discussions, Technical Service Bulletins (TSBs) and a wide range of Do-It-Yourself repair and maintenance articles. Chevrolet Forum The premier Chevy Forum on the internet.Owner submitted gallery pictures, discussions, Technical Service Bulletins (TSBs) and a wide range of Do-It-Yourself articles. Chevy Talk One of the internet's top forums for Chevrolet owners and enthusiasts.Pictures, modifications, discussions, Technical Service Bulletins (TSBs) and a wide range of Do-It-Yourself service, repair and customization articles. Chevy TrailBlazer and GMC Envoy Forum One of the internet's most active online communities for the Chevrolet Trailblazer and GMC Envoy.How a Timing Belt Works An overview of why modern automobile engines are dependent on proper installation and performance of timing belts.Replacing an Automobile Timing Belt Facts, repair insights and consumer information about timing belt costs, issues and common lifetimes.These resources deliver honest real world ownership perspectives and useful facts for anyone researching the cost to replace the timing chain on the Chevrolet TrailBlazer. We recommend the following online resources for trustworthy information about Chevrolet TrailBlazer maintenance, repair and service. Meets or exceeds ASTM D3306, D4985 specifications.įees for proper handling and environmentally responsible disposal and recycling of used fluids, parts, and materials.Ĭost to Replace Chevrolet TrailBlazer Timing Chain - References Meets or exceeds API SN, Ford WSS, Chrysler MS and GM requirements.Įthylene Glycol based antifreeze / coolant. New multi-viscosity motor oil, fortified with cleaning and anti-sludge agents. Dirt and particulate trapping efficiency of >98.5%. Includes seal and manufacturer recommended lubrication, mounting clips and hardware. Reconnect components and replace drained engine fluids. Install new tensioners, guides and other timing chain related wear parts. Replace cam sprocket and timing chain with new items. Remove components as needed to gain access to cam sprocket and timing chain. ![]() Labor - Replace The Chevrolet Trailblazer Timing Chainĭrain motor oil and coolant. ![]()
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