Chrysler 300 2011-present 8HP70 Transmission Specifications
This document provides detailed specifications for the 8HP70 transmission used in the Chrysler 300 from 2011 to the present. It includes technical data such as gear ratios, torque capacity, fluid requirements, and maintenance intervals. The purpose of this document is to assist automotive enthusiasts, technicians, and owners in understanding the transmission's capabilities, ensuring proper maintenance, and identifying compatibility for repairs or upgrades. The information is valuable for diagnosing issues, performing repairs, and optimizing performance. Whether you're a professional mechanic or a DIY enthusiast, this resource offers essential insights into one of the most critical components of the Chrysler 300.
Overview Specifications
This document provides detailed specifications and technical information about the 8HP70 transmission used in the 2011-Present Chrysler 300. It is designed to assist users in understanding the transmission's features, performance, and maintenance requirements. Use the search and navigation instructions to quickly find relevant information. The document is divided into sections covering key aspects of the transmission, with subsections providing in-depth details.
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Key Specifications
Transmission Type
8-speed automatic
Maximum Torque
700 Nm (516 lb-ft)
Weight
95 kg (209 lbs)
Gear Ratios
4.70:1 to 0.64:1
Fluid Capacity
9.5 liters (10 quarts)
Available Specifications
Transmission Design
This section covers the design and architecture of the 8HP70 transmission, including its construction, components, and layout. It provides insights into the engineering behind the transmission's performance and durability.
Transmission Design
This section covers the design and architecture of the 8HP70 transmission, including its construction, components, and layout. It provides insights into the engineering behind the transmission's performance and durability.
Construction and Materials
- Aluminum alloy casing for reduced weight
- Compact design for improved packaging
- High-strength gears for durability
- Advanced lubrication system for efficiency
Component Layout
- 8-speed planetary gearset
- Integrated torque converter
- Electronically controlled clutch system
- Sealed cooling system for thermal management
Performance Features
This section highlights the performance characteristics of the 8HP70 transmission, including its shift quality, efficiency, and adaptability to different driving conditions.
Performance Features
This section highlights the performance characteristics of the 8HP70 transmission, including its shift quality, efficiency, and adaptability to different driving conditions.
Shift Quality
- Smooth and precise gear changes
- Adaptive shift programming for driver preferences
- Quick response to throttle inputs
- Reduced shift times for sporty driving
Efficiency
- Optimized gear ratios for fuel economy
- Reduced internal friction for lower energy loss
- Start-stop compatibility for hybrid models
- Eco mode for improved efficiency
Maintenance and Service
This section provides guidelines for maintaining and servicing the 8HP70 transmission, including recommended intervals, fluid specifications, and common troubleshooting tips.
Maintenance and Service
This section provides guidelines for maintaining and servicing the 8HP70 transmission, including recommended intervals, fluid specifications, and common troubleshooting tips.
Service Intervals
- Fluid change every 60,000 miles
- Filter replacement with fluid change
- Regular inspection of seals and gaskets
- Diagnostic checks for electronic components
Fluid Specifications
- Use only manufacturer-approved transmission fluid
- Fluid capacity: 9.5 liters (10 quarts)
- Check fluid level when transmission is warm
- Avoid overfilling to prevent damage
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Transmission Specifications
Overview
- Type
- 8-speed automatic transmission
- Configuration
- Longitudinal
- Platform
- Chrysler 300 (2011-Present)
- Material
- Aluminum casing with steel internals
- Location
- Rear-wheel drive configuration
Dimensions
- Length
- 28.5 inches (724 mm)
- Width
- 18.9 inches (480 mm)
- Height
- 14.2 inches (361 mm)
- Weight
- 214 lbs (97 kg)
- input Shaft Diameter
- 1.18 inches (30 mm)
- Output Shaft Diameter
- 1.57 inches (40 mm)
- Fluid Capacity
- 9.5 quarts (9 liters)
Materials
- Casing
- Aluminum alloy
- Gears
- Case-hardened steel
- Clutch Packs
- Composite friction materials
- Valve Body
- Aluminum with steel valves
- Seals
- Viton rubber
Features
- Performance
-
- Quick shift times (under 200ms)
- Adaptive shift programming
- Sport mode with manual shift control
- Torque capacity of 553 lb-ft (750 Nm)
- Efficiency
-
- Wide gear ratio spread (7.0:1)
- Reduced internal friction design
- Eco mode for fuel savings
- Start-stop compatibility
- Technology
-
- Integrated mechatronic unit
- CAN bus communication
- Adaptive learning software
- Electronic park lock
- Durability
-
- Hardened gear teeth
- High-temperature clutch materials
- Robust cooling system
- Sealed for life design
- integration
-
- Compatible with AWD systems
- Multiple drive mode selections
- Integrated transmission control module
- Factory tow package support
Safety Features
- Mechanical Protection
-
- Over-temperature protection
- Over-pressure relief valves
- Torque converter lockup control
- Electronic Protection
-
- Fail-safe limp mode
- Shift interlock system
- Reverse lockout protection
- Driver Assistance
-
- Hill start assist
- Grade logic control
- Adaptive shift strategy
Comfort Features
- Shift Quality
-
- Smooth torque converter engagement
- Adaptive shift smoothing
- Low-speed creep function
- Noise Vibration
-
- Dual-mass flywheel compatibility
- Precision gear machining
- Isolated mounting points
- Climate Adaptation
-
- Cold weather shift pattern
- Hot weather cooling strategy
- Altitude compensation
- User interface
-
- Paddle shifters available
- Electronic gear selector
- Transmission temperature display
Accessories
- Performance
-
- Transmission oil cooler kit
- Shift improvement module
- Heavy-duty torque converter
- Maintenance
-
- Transmission service kit
- Fluid exchange system
- Diagnostic scan tool
- Protection
-
- Transmission skid plate
- Heat shield kit
- Extended warranty package
Maintenance
- Service interval
- 60,000 miles or 5 years
- Service Items
-
- Fluid and filter replacement
- Transmission pan inspection
- Seal and gasket check
- Shift quality assessment
- Software updates
- Maintenance Notes
- Use only ZF Lifeguard 8 fluid or equivalent
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Bumper-to-bumper
- Powertrain
- Miles: 60,000Years: 5Coverage: Transmission components
- Corrosion
- Miles: 100,000Years: 7Coverage: Perforation only
- Emissions
- Miles: 80,000Years: 8Coverage: Federal emissions components
- Warranty Terms
- Transferable to subsequent owners
Production Details
- Manufacturer
- ZF Friedrichshafen AG
- Manufacturing Process
-
- Precision CNC machining
- Automated assembly
- Laser welding
- End-of-line testing
- Quality Control
- Dimensional Checks: 100% inspectionPressure Testing: All units testedSoftware Validation: Complete system verification
- Sustainability
-
- Recycled aluminum content
- Closed-loop fluid system
- Energy-efficient manufacturing
- Production Metrics
- Units Per Day: 1,200Defect Rate: <0.1%Production Sites: Saarbrücken, Germany, Gray Court, USA
Service Information for 8hp70 transmission Service
Maintenance and service requirements specific to this component
- Inspect transmission fluid level
- Check for leaks
- Scan for diagnostic codes
- Verify shift quality
- Inspect transmission mounts
Early detection of potential issues
- Replace transmission fluid and filter
- Clean transmission pan
- Inspect valve body
- Check torque converter operation
- Update transmission software
Requires special fluid exchange equipment
- Complete transmission flush
- Replace all seals and gaskets
- Inspect clutch pack wear
- Test mechatronic unit
- Perform shift adaptation
Recommended to use factory-trained technicians
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 8HP70 transmission compatible with all 2011-Present Chrysler 300 models?
Is the 8HP70 transmission compatible with all 2011-Present Chrysler 300 models?
The 8HP70 transmission is compatible with most 2011-Present Chrysler 300 models equipped with V6 or V8 engines. However, compatibility may vary based on specific trim levels and engine configurations. Always verify your vehicle's VIN and consult the manufacturer or a certified technician to ensure proper fitment. The 8HP70 is designed for rear-wheel-drive (RWD) and all-wheel-drive (AWD) systems, making it a versatile option for performance-oriented models.
Q2 What are the maintenance requirements for the 8HP70 transmission?
What are the maintenance requirements for the 8HP70 transmission?
The 8HP70 transmission requires regular maintenance to ensure optimal performance. This includes fluid and filter changes every 60,000 to 100,000 miles, depending on driving conditions. Use only manufacturer-recommended transmission fluid (ATF) to avoid damage. Inspect for leaks, worn seals, and unusual noises during routine service. Additionally, ensure the transmission control module (TCM) software is updated to the latest version to maintain smooth shifting and efficiency.
Q3 How do I install or replace the 8HP70 transmission in a Chrysler 300?
How do I install or replace the 8HP70 transmission in a Chrysler 300?
Replacing the 8HP70 transmission involves several steps: 1) Disconnect the battery and remove the transmission pan to drain fluid. 2) Detach the driveshaft, exhaust components, and crossmember. 3) Unbolt the transmission from the engine and carefully lower it using a transmission jack. 4) Install the new transmission by reversing the steps, ensuring proper alignment and torque specifications. 5) Refill with the correct ATF and perform a TCM relearn procedure. Professional installation is recommended for optimal results.
Q4 What are common troubleshooting steps for the 8HP70 transmission?
What are common troubleshooting steps for the 8HP70 transmission?
Common issues with the 8HP70 include harsh shifting, delayed engagement, or transmission slipping. Start by checking the fluid level and condition. Low or contaminated fluid can cause performance issues. Inspect for error codes using a diagnostic scanner to identify TCM or sensor faults. If no codes are present, test the solenoids and valve body for proper operation. In some cases, a software update or transmission recalibration may resolve the issue.
Q5 How can I optimize the performance of the 8HP70 transmission?
How can I optimize the performance of the 8HP70 transmission?
To optimize the 8HP70 transmission, use high-quality ATF and ensure regular maintenance. Consider upgrading to a performance torque converter for improved acceleration. Adjust the TCM settings using a tuner to enhance shift points and responsiveness. Avoid excessive towing or aggressive driving without proper cooling modifications. Installing an auxiliary transmission cooler can help maintain optimal temperatures during heavy use, prolonging the transmission's lifespan.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
Chrysler 300 8HP70 Transmission Service Manual
Coming SoonDetailed service manual covering installation, maintenance, and troubleshooting for the 8HP70 transmission in Chrysler 300 models.
Technical Service Bulletin for 8HP70 Transmission Updates
Coming SoonLatest TSB addressing software updates, common issues, and recommended fixes for the 8HP70 transmission.
8HP70 Transmission Parts and Accessories Catalog
Coming SoonComprehensive catalog listing OEM and aftermarket parts, including filters, gaskets, and performance upgrades for the 8HP70.
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Technical Information
- All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
- Vehicle specifications and procedures may vary by model year, trim level, and region.
- Always follow the manufacturer's recommended procedures and safety precautions.
- Working on vehicles can be dangerous. Always take proper safety precautions and use appropriate safety equipment.
- If you're unsure about any procedure, consult a qualified professional mechanic.
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