Proton

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Proton Servicing

Proton Repairs Leicester

Proton Leicester Garage Services

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Leicester Repairs

If your Proton needs an urgent repair, a new timing belt , brake pads or just a general service and oil change and you're looking for a garage or mobile mechanic in the Leicester area then use our simple form to arrange a quote; Perhaps you need a specialist mechanic or a garage in the Leicester area experienced with diagnosing common Proton problems or with the OBD equipment to identify & reset factory service faults and take care of those service warning lights
You can complete our simple enquiry form in less than 30 seconds

If your Proton has broken down or you need an important Proton milestone service or general maintenance in the Leicester area it can be quite stressful choosing a mechanic familiar with your Proton model or type of Repairs repair if you haven't had time to build up a relationship with a local garage
Use the form to find a local garage to repair and maintain your Proton

Proton Repairs Leicester

Proton Repairs Leicester

Proton Parts Supplied and Fitted by local garages

Proton Starter Motors
Replacement Proton Starter motors installed

Proton Clutches
Proton clutch repairs Leicester - Checking for leaks and repairing-replacing the clutch master-slave cylinder and fitting a new Proton Clutch kit

Proton EGR Valves
Replacement Proton EGR valves - ensure the exhaust gas recirculation system is functioning correctly on your Proton - The EGR valve helps your Proton burn fuel more efficiently by recirculating a portion the exhaust gas through combustion chamber and helps reduce Proton engine emissions; a broke or sticking EGR valve can be the cause of an MOT failure due to excessive emissions

Proton Performance Spares
OEM Proton parts fitted or replaced with alternative performance parts

Proton Alternators
Replacement Proton alternators fitted

Proton Exhausts
Proton Engine manifolds, Front box, Back box, catalytic converter and exhaust pipes for Proton Exhausts fitted & welded

Proton Body Panels
Replacement Proton panels fitted & sprayed to match - Light Proton Panel damage repairs

Proton Tyres
Steel wheels, alloy wheels and tyres repaired and replaced with cheap tyres, run-flat tyres or low profile & performance tyres depending upon your budget and driving requirements. Part-Worn tyres may be available for your Proton model

Proton Suspension System
Proton replacement shock absorbers & springs fitted for front or rear suspension problems, broken springs. Custom suspension systems installed, lowering springs fitted

Proton Cooling System
Replacement Proton radiators fitted, cooling system pipework inspected for leaks and cooling fluid replaced to keep your Proton engine at its optimal operating temperature

Proton Brakes
Routine Proton servicing, replacement Proton brake pads & discs fitted, Proton hydraulic pipework and joints inspected, repaired or replaced for a complete braking system overhaul

Proton Electrical Components
Proton electrical faults repaired using Proton OEM components - Proton sensors checked e.g. Lambda sensors, air flow meters etc

Proton Oil Change & Filters Replaced
Proton Air filters, pollen filters; oil filter & fuel filter replaced, engine oil changed - Multigrade or Synthetic oils

Proton Timing Belt - Proton Cambelt
Proton Timing Belts replaced as part of a planned Proton service or if the Timing Belt on your Proton has snapped then a full engine inspection for valve & piston damage

Proton Autoelectrics
Proton electrical faults diagnosed - OBD fault finding - Proton engine fault codes checked & service lights reset - ECU problems, key coding and CANBUS systems checked

Proton Paint Resprays
Paint resprays for minor scratch damage to the Proton paint surface or coating; Custom paintwork to make your Proton different using metallic paints, pearlescent pigments or company colours.

Proton Fuel Pumps
Often replaced at a milestone service if the fuel pump is operated by the Timing belt

Proton Gearboxes
Proton Manual & Automatic gearbox servicing & repair - Fitting a new or reconditioned Proton gearbox

Proton Engines
Proton Engine repairs, cylinder head skimming, valves & pistons

Proton Service - Proton Braking Systems - Hydrauic Brake Maintenance

Modern Proton braking systems use hydraulic links to transfer stopping power

The brake pedal controls the Master Cylinder (a fluid filled hydraulic piston) that transfers stopping power to the brakes

Braking increases hydraulic brake fluid pressure

The hydraulic brake fluid is a non-compressible liquid so braking pressure is transferred via the brake pipes to the wheels and operates a slave cylinder piston that forces the brake pads against a brake drum or brake disc

Proton brakes can last for thousand of miles depending on use and regular service

The enforced contact between the brake pads and brake drum or brake disc increases friction to slow down or stop the vehicle

Proton Hydraulic Disc Brake and Drum Brake Systems

Drum Brakes, if fitted, are usually found on Proton rear wheels

Proton disc brakes have a pair of high friction brake pads mounted either side of a brake disc

Drum Brakes are an older system than Proton disc brakes and use two half moon shaped brake shoes that move outwards during use to apply a frictional stopping force against the inside of a brake drum

Hydraulic braking pressure forces a brake calliper to press the brake pads against the disc to apply the necessary stopping force

In hydraulic braking systems, braking pressure operates a slave cylinder

Proton Brake Servicing - Proton Brake Maintenance & Parts Replacement

If the Proton brake discs warp then they should be replaced immediately

Proton brake discs will wear and need replacing eventually and should be inspected for pitting

if the Proton brakes overheat and are allowed to cool with pressure still applied for m the brake pads/shoes then it is possible for the disc to warp.

Proton Brakes will safely function correctly without the need for replacement for many thousands of miles

The brake pads on your Proton should wear first

Proton Brake Inspection Elements

Brake calliper operation

Correct brake pad movement and level of wear

Lubricate Hand Brake Linkages

Auxiliary handbrake shoes where appropriate

Adjust handbrake

Top Up Brake and Clutch Fluid Levels or

General brake disc condition

Clean and remove brake dust and loose corrosion and dirt from drums

Hand brake linkage condition

Handbrake function and travel

Brake pipe Condition

Replace Brake Fluid if necessary

Brake drum condition

ABS warning light operation

Wheel cylinder condition

And carry out the following maintenance of your Proton braking system:-

Hydraulic brake pipe fittings and joints for corrosion and leaking

Proton Steering System

The tyre tread is rapidly removed from the inner or outer tyre edge of your front tyres

Common symptoms of Proton steering alignment problems include:-
Vehicle Drift - Your Proton tends to pull left or right when travelling in a straight line
Modern Power steering and Drive by Wire Systems do not have the same mechanical linkages between the steering column and drive wheels making it difficult to 'feel' how the steering is performing.

One of the first signs of a potential problem with your Proton steering system is uneven tyre wear

The tyres will need to be replaced much sooner than necessary until the steering rack is adjusted to bring your wheels into correct alignment

Your Proton steering inspection can include:-

Steering Condition

Power Steering Reservoir Levels and Top Up

Correct wheel balance, including spare

Steering Linkages for wear and corrosion

Correct wheel nut torque to manufacturer's recommendations

Wheel Bearings for wear - play or noise

Steering Rack Gaiter condition

Proton Tyre wear and wheel alignment

Correct Tyre Pressure - inc Spare

Tyre Condition - inc Spare

Proton Brake Servicing: Brake Discs, Pads & Hydraulics

Modern braking systems use hydraulic links to transfer stopping power.

The enforced contact between the brake pads and brake drum or brake disc increases friction to slow down or stop the vehicle.

The brake pedal is attached the Master Cylinder; a fluid filled hydraulic piston.

Braking increases hydraulic brake fluid pressure.

The hydraulic brake fluid is a non-compressible liquid so braking pressure is transferred via the brake pipes to the wheels and operates a slave cylinder piston that forces the brake pads against a brake drum or brake disc.

Brakes can last for thousand of miles depending on use and regular service.

Proton Replacement Timing Belt or Cambelt Leicester

Often it is prudent to replace a combination of items associated with the timing system. Most of the needed Proton parts can be obtained as timing kits containing the appropriate timing components; such as: Proton timing belt
timing belt tensioners
timing belt tensioner idler roller
front lower crank shaft seal
water pump gasket

Generally Proton belts should be replaced every 60,000 miles or less. So, if you have just bought a secondhand Proton that has 40,000 to 80,000 miles then it is important to know if the timing belt has been replaced or needs replacing. Check the Proton Owner's manual for your model for the recommended changing frequency

Since Proton Timing Belts are hidden inside the engine they tend to be forgotten when purchasing a used Proton

The toothed belt connecting the engine crankshaft to the camshaft is known as the Cambelt or Timing belt

If the timing belt snaps it will most probably cause serious engine damage. The camshaft stops turning with some of the valves left in the open position. In a Free Running Engine there is enough clearance between a fully open valve and the piston head to avoid serious damage. In an Interference Engine there is no clearance and the engine relies upon accurate timing to keep the valves and piston head separated. With a broken timing belt; the inertia helps the crankshaft to rotate freely forcing the pistons to strike the open valves resulting in damaged valves, pistons, and possibly even damage to the cylinder head

Timing belts must be replaced at a specified manufacturer's interval. The timing belt should also be inspected regularly and replaced immediately if there is any evidence of cracking or fraying cuts or excessive wear

The Timing Belt synchronizes the camshaft to the crankshaft position ensuring the valves open and close at the correct time in relation to the piston. Some vehicles use a cam chain in place of the belt or a timing gear system instead

High compression diesel engines are normally interference engines

Proton Clutch Operation

The pressure plate comprises heavy-duty release springs, a metal pressure ring acting as a high friction surface to interact with the clutch disc, a thrust ring (or thrust fingers) for the release bearing, and release levers

The centre of the clutch disc has a spline pattern that matches splines on the power input shaft of the transmission system

The Proton clutch disc is, not surprisingly, a disc with each side covered in a high friction material. It is designed to engage with the high-friction surfaces of the pressure plate and flywheel. It is also designed to transmit power to theProton transmission system

Disengaging the clutch acts on heavy-duty release springs to isolate the pressure plate so that the disc is no longer pressed against the flywheel

Proton Clutch failure often occurs when one or more of the high friction surface materials wears out on the disc. Even when the pressure plate is engaged and a clamping force is applied, there is no longer sufficient friction to transmit power without the clutch slipping. Normally the Proton clutch disc and pressure plate are replaced. Replacing the Proton Clutch is a major operation and it is sometimes advisable to replace a number of items, often supplied as a Proton Clutch kit:-
Proton clutch disc
pressure plate
release bearing
pilot bearing - bushing (when required)
internal Proton clutch slave cylinder

When the clutch is dis-engaged the clamping force is removed so the clutch disc spins with the flywheel and no power is transmitted

Engaging the clutch forces the clutch against the flywheel transmitting power from the crankshaft to the transmission shaft

Proton Fuel Injectors - Fuel Injection

LPG Petrol or Diesel Metering
Fuel Injection systems have replaced carburetors for the accurate mixing and delivering of petrol, lpg or diesel fuel in modern Proton vehicles

EFI - Electronic Fuel Injection
The Proton fuel injection system is controlled by a mini-computer or Electronic Control Unit (ECU) that assimilates data from a series of temperature sensors and oxygen or lambda sensors providing feedback to help optimise fuel efficiency and power under a variety of conditions

Proton Engine Mapping
The Proton ECU controlling engine performance is pre-programmed with software containing embedded data on engine performance for different combinations of engine speed and acceleration

Proton Fuel Injection
Fuel injection systems mix fuel with just the right amount of air for optimal combustion & energy release in an internal combustion engine

Proton Re-Mapping Leicester
The Proton ECU can be replaced with a programmable ECU or re-mapped to electronically alter the engine performance characteristics

Proton Maintenance - Oil & Filter Change Leicester

Synthetic Oil Change - Leicester
Modern synthetic oils can last longer than old petroleum based multigrades because they are more inert with a laboratory designed molecular structure and fewer natural catalytic impurities that increase oil breakdown compared to the cheaper engine oils

Oil Composition
Engine Lubricating Oil is composed of hundreds of chemicals; some can interact chemically, polymerise, oxidise and break down with the extreme conditions of temperature & shear forces pulling the oil molecules apart in your Proton engine thus, changing the lubrication properties.

Oil Change Frequency
The mechanics rule of thumb with traditional multigrade engine oils used to be "change the oil every 3000 miles" but many vehicle manufacturers indicate 5000 to 7000 miles. Initially, follow the Proton recommended oil change guidelines to ensure you validate your warranty.

Anti Oxidants
Preventing internal engine oxidation in your Proton motor is the job of sacrificial anti-oxidants present in the lubricating oil; Anti oxidants are sacrificed to protect your engine and will eventually be depleted making it necessary to change your oil regularly

Moisture Scavengers - Detergents - Acidity Regulators
Moisture scavengers, detergents and acidity regulators prevent all kinds of contaminants degrading and abrading the internal moving surfaces of your Proton engine minimising the effects that water, particles, and fuel combustion residus can have on Proton performance
Once they have absorbed the maximum amount of water and other contaminants; the risk of corrosion and failure in your in your Proton engine increases

Oil Change Masterclass
Keep a small amount of the engine oil used in your next oil change in a sealed container; then when you check your oil level with the dipstick you can compare the lubricity or lubricating properties of the oil against your fresh oil:- If the oil on the dipstick seems thin compared to your reference oil sample; it may be time to get an oil change to keep your Proton running smoothly

Oil & Filter Change
A new Proton oil filter and oil change shouldn't need a specialist Proton engineer and is minimal compared to the cost of an Engine Rebuild; with regular maintenance and routine servicing working out cheaper than disaster recover when your Proton engine fails

Proton Exhaust Fitting Leicester

The Proton exhaust system allows poisonous gases from the fuel combustionto vent into the atmoshpere away from the driver and cabin

The exhaust pipework helps muffle and deaden the noise from the fuel combustion process

Corroded exhaust pipes allow fumes and noise to escape; increasing the risk of poisonous carbon monoxide entering the cabin and significantly increasing noise making detection an easy task

Explosions from the instantaneous ignition of the compressed fuel and air igniting in the combustion chamber creat a lot of noise that needs to be silenced in the urban environment

Proton Specialists Leicester Area

Leicester Area Garages

Garage Services Leicester
Leicester MOT

Leicester Tyre Fitting

Proton Replacement Tyres: Fit new tyres to your Proton

  • Uneven Tyre Wear?
    Proton Tracking adjustment
  • Proton Wheel alignment
  • Proton Tyre Fitting
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  • Pirelli
  • Dunlop
  • BF Goodrich
  • Kleber
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Proton Garage Services Leicester

Proton Mechanic
Leicester Area
For Proton Repair and Servicing estimates:
Tel: 0800 0407 429

Leicester Garage

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Proton ABS

  • ABS Ecu
  • ABS Modulator
  • ABS Sensor
  • ABS Pump
  • ABS Control Unit
  • ABS Pump Modulator Combined

Proton Air Conditioning

  • Proton AC Radiator
  • Proton AC Pump
  • Proton AC Evaporator
  • Proton AC Condenser
  • Proton AC Compressor
  • Proton AC Receiver Drier
  • Proton AC Fluid Top Up

Proton Filters

  • Proton Air Filter
  • Proton Transmission Filter Kit
  • Proton Fuel Filter
  • Proton Cabin Air and Pollen Filter
  • Proton Oil Filter

Proton Sensors

  • Proton Temperature Sensor
  • Proton Oxygen Sensor
  • Proton Air Flow Mass Meter

Proton Electrical

  • Proton Water Pump
  • Proton Spark Plug HT Leads
  • Proton Tail Lights
  • Proton Bulbs
  • Proton Electronic Control Unit
  • Proton Heater Blower Motor
  • Proton Headlights
  • Proton Spark Plugs
  • Proton Antenna
  • Proton Oxygen Sensor
  • Proton Heater Core
  • Proton Alternator
  • Proton Ignition Coil
  • Proton ECU Mapping Remap
  • Proton Thermostats
  • Proton Parking Light
  • Proton Starter Motor
  • Proton Eibach Pro Kit
  • Proton Fuel Pump
  • Proton Cooling Fan
  • Proton Lambda Sensor
  • Proton Window Motors
  • Proton Fog Lights

Proton Wheel Components

  • Proton Axle Assembly
  • Proton Tyres
  • Proton Control Arm
  • Proton CV Joint Boot Kit
  • Proton Alloy Wheel Repairs
  • Proton Ball Joints

Proton Brake Servicing

  • Proton Brake Master Cylinder
  • Proton Brake Calipers
  • Proton Brake Discs
  • Proton Brake Drums
  • Proton Brake Slave Cylinder
  • Proton Brake Servo
  • Proton Brake Compensator Valve
  • Proton Brake Pads
  • Proton Brake Rotor

Proton Clutch Fitting

  • Proton Clutch Master Cylinder
  • Proton Dual Mass Flywheel
  • Proton Clutch Pressure Plate
  • Proton Clutch Slave Cylinder
  • Proton Clutch Cable
  • Proton Clutch Pedal
  • Proton Clutch Kit
  • Proton Flywheel

Proton Exhausts

  • Proton Muffler
  • Proton Exhaust Box
  • Proton Silencer
  • Proton Lambda Sensor
  • Proton Exhaust Manifold
  • Proton Exhaust
  • Proton Oxygen Sensor
  • Proton Exhaust Pipes
  • Proton Exhaust System Complete
  • Proton Tailpipe
  • Proton Catalytic Converter (Catalyst)
  • Proton EGR Valve

Proton Engine Repairs

  • Proton Timing Chain Kits
  • Proton Pistons and Cylinder
  • Proton Distributor Cap & Rotor
  • Proton Timing Belt Kits
  • Proton Ignition Coil
  • Proton Engine Mounts
  • Proton Cylinder Head Gasket
  • Proton Fuel Injector

Leicester Gasket Fitting

  • Proton Valve Cover Gasket
  • Proton Cylinder Head Gasket

Proton Lubrication System

  • Proton Oil Filter
  • Proton Oil Cap
  • Proton Oil Pump
  • Proton Oil and Hydraulic Fluid
  • Proton Oil Sump and Plate
  • Proton Fuel Cap

Proton Parts

  • Proton Radiator Pipes
  • Proton Power Steering Pump
  • Proton Bonnet Latch and Strut
  • Proton Steering Rack
  • Proton Hood Emblems
  • Proton Power Steering Hoses
  • Proton Throttle Body & Cable
  • Proton Windscreen Wipers
  • Proton Serpentine and V Belt
  • Proton Struts
  • Proton Shock Absorbers
  • Proton Tie Rods
  • Proton Wiper Blades
  • Proton Radiator

Proton Suspension

  • Suspension Struts
  • Control Arms or Blades
  • Spring Condition
  • Shock absorbers operation, evidence of Proton bush wear
  • Struts
  • Sway Bar
  • Proton Additional Suspension Components
  • Pitman arm - Rear Wheel Drive Suspension
  • Proton Timing Belt or Cambelt
  • Rubber Grommets
  • Ball Joints
  • Suspension Strut Pivots
  • Inner and Outer Tie Rod ends
  • Idler arm
  • Rubber Bushes
  • Tie Rods
  • Shock Absorber performance

Proton
Engine Problems

  • Excessive oil consumption
  • White Smoke From Exhaust
  • Can't get into gear
  • Clogged Proton air filter
  • Engine Misfires
  • Engine Idle Surge
  • Warning Lights On
  • Knocking sound
  • Proton Immobiliser
  • Poor Fuel Economy
  • Clutch pedal on floor
  • Blocked Fuel injectors
  • Clutch slips at high revs
  • Cylinder head leaking
  • Noisy Brakes
  • Proton check engine light on
  • Fuse keeps blowing
  • Clutch juddering
  • Engine Temperature Warning Light On
  • Proton Lights not working
  • Front Tyres wearing quickly
  • Spongy Brakes
  • Fails Emissions Test
  • Proton Radiator fan not working
  • master cylinder leaking
  • Loud Engine Noise
  • Battery Keeps going flat
  • Clutch Won't work
  • Window stuck
  • Corroded Brake Pipes
  • My Proton Does Not drive Straight
  • Injection System Warning Light
  • Proton keeps stalling
  • My Proton Won't Start
  • Judder when braking
  • Flywheel Vibrating
  • Seatbelt Locked
  • Engine Pings or Knocks
  • Air Conditioning Not Working
  • slave cylinder leaking
  • Proton Headlights not working
  • Tyre inside edge wears quickly
  • Engine Won't Start
  • Low Brake Pedal
  • Engine Idles Rough
  • Vacuum Leak
  • Tyres vibrate
  • Tyre outside edge wears quickly
  • Engine Oil Warning Light On
  • Leak in coolant system
  • Thrust bearing worn
  • Clutch slips if revved hard
  • Slipping when cold
  • Steering Pulls To One Side
  • Timing Belt Loose
  • Blue Smoke From Exhaust
  • Coolant Leaking
  • Power steering feels stiff
  • Engine Stalls
  • No pick up for first gear
  • Engine Overheating
  • Brakes Pull To One Side When Braking
  • Dim headlights on engine idle
  • Proton Check Engine Light On
  • Heater Not Working
  • No Power When Accelerating
  • Automatic Locks Not Working
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