new timing tension check

B16a VTEC timing belt and tensioner replacement

This entry is part 14 of 41 in the series TrackDays EF7 HONDA CRX

Even if the engine was running well a few weeks before I bought it, I decided to do some maintenance prior to install it into the car. It’s far easyer to change the timing belt on an engine stand no ?

timing belt

OEM new parts received. Timing belt, cam covers seals, oil pan seal, VTEC solenoid seal, thermostat, HAMP oil filters and some bearings for front knuckles rebuild (later).

timing belt

I also decided to buy a good quality automatic torque wrench.

timing belt

My first engine stand huhuhu !

timing belt

So, if you’re a Honda engine owner or tuner, you will know how difficult it can be to untightened the crank pulley bolt. And if you can, try to buy the right tool for this operation as it will change your life !!

timing belt

I decided to create my own based on existing models. The hole in the HEX part will allow you to block the pulley and install your wrench through.

timing belt

Just like this !

timing belt

A lot of guys tries to remove this bolt with a ‘truck chock wrench’. But it’s very difficult and always damaging for parts …

The best solution is to block the system, put a small load on the wrench to position everything and … go !

I guarantee : success for this bolt not untightened since 80.000 kms !

b16a HAMP oil filter

Installing my oil sandwich plate coming from the old engine, and a brand new HAMP filter to use with new quality oil.

b16a baffled oil pan

Oil pan modification : a friend just MIG welded plates into the oil pan to protect oil pump and engine under lateral forces on track.

vtec solenoid seal

New VTEC solenoid seal.

b16a new thermostat

New thermostat.

new timing installed

The new timing belt installed and checked. You can notice the white ‘marks’ I made on it. It helps checking installation with the same marks made on the old belt.

new timing tension check

Even if the timing belt has a tensionning system, a good ‘trick’ is to check a belt tension (also good for the alternator ..) by hand to have a quick idea of the situation.

You should be able to twist the belt of around 90 degrees from the original position as shown on the picture.

You should reach this twisted position with a light force. Not too easy, not too much. The roller has also been replaced by a new one.

crankshaft bolt tightening

Crank pulley again.

b16a valve cover paint

And some TYPE-R cheating !

b16a valve cover paint dry

A nice wrinkle looking red color on the valve cover. haha !

b16a engine rebuild

Engine ready.

b16a engine rebuild

You can see the green color of the finalized bushings (timing).

S9B gearbox

The gearbox after a high pressure cleaning. It was worth it !!

S9B gearbox

Reinstalled fork.

S9B gearbox slave cylinder

New slave cylinder.

b16a engine harness installation

And all the engine harness back on it.

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Category: CarEngine and Transmission

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Article by: yogi