Renault Megane 1.6 16v K4M (858) Timing Belt Replacement

How to replace a timing belt on a MK3 Renault Megane 1.6 16v petrol, fitted with the K4M (858) engine.
The process involves preforming a coolant flush, with a bit of a shortcut/bodge employed to avoid needing to remove the front bumper to bleed the coolant.

Featured in the video is the Kaiweets KTI-W02 thermal imaging camera which allowed me to check the temperature of the air vents, and it has been useful for other automotive tasks recently.
It is available from:
https://kaiweets.com/en-gb/products/k...
A 15% off discount is available with the code 15PC2CV

Overall it is a handy enough engine to do a timing belt on, i had seen some other videos where i think the older versions of the engine feature a non keyed crankshaft pulley. Ie the pulley is held in place with friction rather than using a keyway to transmit its drive to the crankshaft. Having the keyway here makes it a lot easier to work with.
A slight bit of a quirk in that the camshafts are locked on the gearbox side of the engine using the tool in the kit i had which necessitates changing the two caps. A better design would have been two holes in the head to correspond with holes on the camshaft sprockets as renault do on other engines. However it is only a minor gripe.

If you have any questions feel free to send a message to the facebook page for this channel on:
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0:00 - Introduction
0:30 - Disconnecting Battery
0:50 - Air intake removal
1:40 - Throttle body
2:05 - Wheel arch removal
2:50 - Undertray removal
3:25 - Auxiliary belt removal
4:20 - Lower engine mount
5:00 - Crankshaft position sensor
6:25 - Camshaft cover removal
7:03 - Crankshaft locking hole
7:30 - Setting engine to TDC
8:00 - Locking tools
8:35 - Locking flywheel with allen key
9:00 - Removing crankshaft bolt
9:25 - Placing jack under engine
9:50 - Removing engine mount
10:35 - Removing upper timing belt cover
11:10 - Removing lower timing belt cover
12:10 - Removing timing belt
13:40 - Removing water pump
15:20 - Fitting new water pump
17:30 - Installing belt idler pulley
17:50 - Installing belt tensioner
18:05 - Fitting new belt
18:30 - Setting belt tension
19:07 - Checking timing belt
19:59 - Reinstalling lower cover
20:48 - Reinstalling upper cover
21:11 - Installing engine mount
22:30 - Installing new camshaft covers
23:05 - Tightening crankshaft bolt
25:05 - Lower engine mount refitting
25:38 - Draining the coolant
27:45 - Reassembly
31:00 - Pouring in fresh coolant
31:20 - Bleeding coolant
33:55 - Final Reassembly10:35 - Removing upper timing belt cover
11:10 - Removing lower timing belt cover
12:10 - Removing timing belt
13:40 - Removing water pump
15:20 - Fitting new water pump
17:30 - Installing belt idler pulley
17:50 - Installing belt tensioner
18:05 - Fitting new belt
18:30 - Setting belt tension
19:07 - Checking timing belt
19:59 - Reinstalling lower cover
20:48 - Reinstalling upper cover
21:11 - Installing engine mount
22:30 - Installing new camshaft covers
23:05 - Tightening crankshaft bolt
25:05 - Lower engine mount refitting
25:38 - Draining the coolant
27:45 - Reassembly
31:00 - Pouring in fresh coolant
31:20 - Bleeding coolant
33:55 - Final Reassembly