Renault Body & Paint Repairs Longton

Metamorism can be a problem with matching custom paintwork: The paint may look an identical match in daylight but completely different in artificial light

Most Renault replacement body panels can be refinished to match the original Renault paint colour and avoid a full respray

If your Renault has been involved in a minor collision then some body panels may need to be repaired or replaced depending upon the severity and location of the impact

Many minor surface dents can be removed without needing to paint the affected panel unless the paint surface is damaged or starts to delaminate from the substrate

When a Renault has been custom painted and needs a paint touch up or partial respray then it's important to use the original paint or it may be necessary to carry out a more extensive respray than seems necessary due to differences in surface colour under different light sources or time of day

Minor surface damage including key scratches to the Renault laquer or paint finish and Renault bumper scuffs may be repaired quite easily

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Renault Body Shop: Paint & Body Repairs Longton

Longton Body Repairs - Dent Removal, Replacement Body Parts & Paint Touch Up

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

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

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

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

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

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

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

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

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

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

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

Renault Alternators
Replacement Renault alternators fitted

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

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

Renault 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 Renault model

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

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

Renault Starter Motors
Replacement Renault Starter motors installed

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

Renault Maintenance - Renault Hydraulic Braking System Servicing and Repair

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

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

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

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

Modern Renault braking systems use hydraulic links to transfer stopping power

Braking increases hydraulic brake fluid pressure

Renault Hydraulic Disc Brake and Drum Brake Systems

In hydraulic braking systems, braking pressure operates a slave cylinder

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

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

Drum Brakes are an older system than Renault 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

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

Renault Brake Servicing - Renault Brake Maintenance & Parts Replacement

The brake pads on your Renault should wear first

if the Renault 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.

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

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

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

Renault Brake Servicing & Inspection Longton

Auxiliary handbrake shoes where appropriate

Correct brake pad movement and level of wear

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

Brake pipe Condition

Brake drum condition

Brake calliper operation

Adjust handbrake

Hydraulic brake pipe fittings and joints for corrosion and leaking

Replace Brake Fluid if necessary

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

Hand brake linkage condition

Top Up Brake and Clutch Fluid Levels or

Wheel cylinder condition

General brake disc condition

ABS warning light operation

Lubricate Hand Brake Linkages

Handbrake function and travel

Renault Steering - Steering System Inspection

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

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

Common symptoms of Renault steering alignment problems include:-
Vehicle Drift - Your Renault 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.

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 Renault steering inspection can include:-

Steering Linkages for wear and corrosion

Steering Condition

Steering Rack Gaiter condition

Correct wheel nut torque to manufacturer's recommendations

Correct Tyre Pressure - inc Spare

Power Steering Reservoir Levels and Top Up

Tyre Condition - inc Spare

Correct wheel balance, including spare

Wheel Bearings for wear - play or noise

Renault Tyre wear and wheel alignment

Renault Brake Servicing: Brake Discs, Pads & Hydraulics

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

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

Braking increases hydraulic brake fluid pressure.

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

Modern braking systems use hydraulic links to transfer stopping power.

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.

Renault Timing Belt or Cambelt

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

Generally Renault belts should be replaced every 60,000 miles or less. So, if you have just bought a secondhand Renault 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 Renault Owner's manual for your model for the recommended changing frequency

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

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

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

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

Longton:- Renault Replacement Clutch

Renault 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 Renault clutch disc and pressure plate are replaced. Replacing the Renault Clutch is a major operation and it is sometimes advisable to replace a number of items, often supplied as a Renault Clutch kit:-
Renault clutch disc
pressure plate
release bearing
pilot bearing - bushing (when required)
internal Renault 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

The Renault 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 theRenault transmission system

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

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

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

Renault Fuel Injectors - Fuel Injection

EFI - Electronic Fuel Injection
The Renault 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

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

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 Renault vehicles

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

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

Longton Maintenance - Renault Oil Change

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 Renault recommended oil change guidelines to ensure you validate your warranty.

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 Renault engine minimising the effects that water, particles, and fuel combustion residus can have on Renault performance
Once they have absorbed the maximum amount of water and other contaminants; the risk of corrosion and failure in your in your Renault engine increases

Oil & Filter Change
A new Renault oil filter and oil change shouldn't need a specialist Renault 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 Renault engine fails

Synthetic Oil Change - Longton
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 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 Renault running smoothly

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 Renault engine thus, changing the lubrication properties.

Anti Oxidants
Preventing internal engine oxidation in your Renault 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

Renault Exhaust Fitting Longton

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

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