Before you loosen the pulley and remove the timing belt, it’s a really good idea to mark the cogs with a little white paint, Tip-Ex or chalk. This will make reassembly much easier, as the cogs will need to realign perfectly to ensure good engine performance. Here are the areas you should mark:

In theory, it is possible to change the water pump and the timing belt separately although it isn’t recommended. These components are subjected to a similar level of wear during their lifetime, so it makes the most sense to change the pump and belt simultaneously.

According to Simes, a failing wheel bearing will likely produce a soft, faint vibration that’s felt before it’s heard. There may also be a vague rhythmic humming or droning sound that increases over time and with speed.

You can service or replace tapered wheel bearings yourself. Never reuse any wheel bearing that’s loose, worn, noisy or shows any signs of wear.

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Absolutely not. It’s crucial to get bad wheel bearings diagnosed and replaced ASAP. If not, you could lose a wheel or get in an accident.

Remember – this is a guideline only and the layout/process of replacing the water pump and timing belt may differ in your car. Consult a professional mechanic if you’re in doubt and only carry out the work if you’re confident with working with engines.

The final step is to refill the cooling system with fresh, high-performance coolant/antifreeze. Here’s a recap on how to refill your car’s cooling system:

Timing beltkit

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Now it’s time to reassemble the engine with the new water pump and timing belt. We’d always recommend replacing both components at the same time. The water pump and timing belt should be changed at an interval of 60,000 miles to prevent faults; this will also save you time and money, as the labour involved in dissembling the engine to replace these parts is time-consuming, and can be expensive if carried out by a garage. By replacing the two parts together, you’ll be saving time and money in the long-term. Here are a few points when reassembling:

You’ll hear clicking, cracking, grinding, snapping, or whining noises coming from your wheels or tires. They’ll increase when accelerating or turning.

We’ll walk you through the process of replacing a timing belt and water pump step by step, starting with the tools you’ll need.

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Timing beltvs serpentinebelt

The cost of replacing a timing belt and water pump varies depending on your car. If you take it to a garage, you should expect to pay between £299 and £600 for the work. If you carry out the work yourself, you can pick up a timing belt and water pump kit for around £40 to £150.

The timing belt is exactly the same as the cambelt, there is no difference. The cambelt (or timing belt), synchronises the movement of the crankshaft and camshafts. This means that the engine intake and exhaust valves open and close at the correct time with the pistons.

Friction from a failing wheel bearing produces heat. After driving, without touching the tires or wheels, carefully walk around your vehicle and use a non-touch thermometer to measure if one is hotter than the others.

Now it’s time to remove the water pump. Before you do this, make sure you have a bucket in place beneath the car to catch the coolant/antifreeze when you unscrew the water pump. Here’s what to do:

The timing case covers the timing belt and water pump, so you’ll need to remove it. Now that the belts are removed and the crankshaft pulley is loosened, this should be a pretty straightforward job. Here’s how it’s done:

Can I replacetiming beltmyself

Is your timing belt or water pump faulty or in need of a replacement? You could save money on expensive repair bills by carrying out the work yourself – provided you know your way around an engine bay.

On many vehicles, the ABS sensor is built into the wheel bearing, or it’s externally mounted adjacent to the spinning part of the bearing where the sensor measures vehicle speed. Damaged from a wobbly wheel bearing, the sensor will send erratic readings to the vehicle’s computer, illuminating the ABS light.

How hard is it to change timing beltreddit

A bad wheel bearing can cause a tire/wheel to move or glide unevenly or sluggishly. It can also cause your brakes to drag, pulling your vehicle to one side when you try to stop.

Joe Simes is an ASE and Toyota master technician. After 20 years in the industry, Simes recently became a Pennsylvania Department of Education certified automotive technology instructor at North Montco Technical Career Center in Lansdale, Pennsylvania.

Read on to learn the most common bad wheel bearing symptoms, based on my experience (50 years in the industry) and that of Joe Simes, a National Institute for Automotive Service Excellence (ASE) certified and Toyota master technician. But first, a little background.

How hard is it toreplace atimingchain

The cage and rollers are held together inside a hardened metal ring called a “race.” The seal keeps grease in and damaging water and debris out. Wheel bearings are installed inside, and secured to, the suspension, either by press fit, bolts or a snap-ring. Once mounted, the wheel bearing rides on the axle shaft, allowing the tire/wheel to spin effortlessly.

Depending on the vehicle, you can save hundreds in labor replacing wheel bearings yourself. Most auto parts stores will lend you the specialty tools and equipment needed to replace a wheel bearing.

The fan belt and power steering belt sit beside the cover which houses the timing belt and water pump, so you’ll need to remove them first. Follow the steps below to remove the belts:

NOTE: Whether you DIY or your mechanic replaces the bearing, always install a new axle hub nut. Most hub nuts are prevailing torque fasteners, used on critical components (like securing axle shafts to hub bearings) where a loose nut could lead to disastrous consequences.

Timing beltreplacement cost

On modern front- and four-wheel drive cars, wheel bearings are a set of permanently sealed, precisely machined steel ball or straight roller bearings. The balls, or rollers, are encased in a “cage” that supports the bearings, allowing them to rotate freely.

Simply stated, wheel bearings allow cars and trucks to run smoother and more efficiently by reducing friction and supporting vehicle weight. When they start to fail, you can usually tell.

The average cost to replace a sealed wheel hub bearing is $350 per wheel. However, depending on the make and model, shop labor rate, the cost of the bearing itself and any additional damage, the total could exceed $1,000.

Replacing a timing belt and water pump does require a decent understanding of engines, so if you’re not that experienced working under the bonnet we’d advise you to leave it to the pros. But if you are and you enjoy doing your own repairs or restorations then it’s something you can do yourself, and save on some big repair bills in the process.

First, prepare your car and work area. Changing a timing belt and water pump can take anywhere from 1-3 hours depending on your skill level, so make sure you have the time and space to complete the job. Do the following before you start:

Here, we provide a step-by-step guide on replacing a timing belt and water pump, and answer a few common queries on the cost of replacements and when the work needs doing.

Timing beltwarning signs

Although our guide is comprehensive and correct, this repair should only be undertaken by someone with the tools and knowledge to do so. Significant damage can be done to the engine if the cambelt or water pump is fitted incorrectly.

But sealed wheel bearings are non-serviceable and should never be repaired, only replaced. Even if a pro suggests repairing a bearing, don’t let them. Trying to reuse a damaged wheel bearing can result in an accident and severe injury.

That concludes our guide on how to replace cambelts and water pumps. By following this guide you should be able to confidently replace an important part of your engine yourself, building confidence and knowhow in the process.

The timing belt is usually located in the engine bay just in front of the engine block. Frequently it’s protected by a plastic cover to prevent debris from getting into the timing belt.

Unlike unbalanced tires, shaking caused by a bad wheel bearing should be obvious from the side of the car where the bearing is failing.

The timing belt and water pump will need to be changed in line with the manufacturer’s recommendation; this is normally every 60,000 miles. Most people change both components at the same time to save on costs and time. This is because the labour involved in dissembling the engine to get at these parts is complicated and time-consuming, so you’ll be saving yourself lots of time by replacing them at the same time yourself, or lots of money if a garage is doing the work for you.

The time needed to change the cambelt and water pump varies from car to car, but on average it takes between. 4 and 6 hours. Some cars, with less obstructed belts and pumps, will require less preparation to grant access, meaning they won’t take quite as long to replace.