Mk. 4 Volkswagen Jetta TDI - Camshaft Replacement Part 1 (Timing Belt Replacement Part 8)
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- čas přidán 2. 01. 2023
- This week on the channel, Greg goes on a bit of a side quest on the Timing Belt Replacement work and begins working on installing a new Stage 2 camshaft. The new camshaft was purchased as he plans to tune the car to make more power, and with the stronger camshaft it'll be able to handle this increased power much better.
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Credits:
Presented By: Greg Bailey
Written By: Greg Bailey
Directed By: Greg Bailey
Produced By: Greg Bailey
Edited By: Mitchell Greeley
Executive Produced By: Mitchell Greeley
Camera: Samsung Galaxy S10
Music From CZcams Audio Library
Production Code: 2022-047
Filmed On: May 18th, 2022
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Any updates on this camshaft? How many miles on it so far ? Any change in the sound ? Have you inspected it since??
Hello,
Yes the camshaft appears to be great. It has about 23,000km on it now. There was a slight change in sound when I first got it going, but not a huge difference. I think there is a slight increase in power from before.
I have not inspected it since unfortunately as it is not a quick task to remove and reinstall the valve cover.
I will hopefully be completing the stage 2 tune shortly and an update video will come out.
Thanks for the comment!
Greg
@@GBProductions0 aye thanks ! curious on what break in oil cocktail you went with and how many miles did you run it??? Just got mine in this last Friday. It’s been running great so far. I’m running sae 30 conventional oil. With stp engine honey and a half a bottle of zinc additive. Changing in 500 miles.
I’m 100 miles into this new camshaft and the car hasn’t ran this good. It’s funny how these motors have this stigma that you never have to change or inspect the camshaft and followers. This fixed my whole misfire issue. Little over $200 and like 2 hours of work? Bet
I didn't do anything special with oil, just used the normal engine oil and followed the break in procedure provided with the camshaft. I don't think I even did an oil change right at the time. I run 10w40 synthetic year round usually.
Great to hear the camshaft is working well and resolved your issue! I had a little bit of a weird rough idle a few times near the start of the new camshaft, but I'm guessing it was just the car relearning to some extent.
Do you have any pro tips for the cam caps, as I am working on a 02 Jetta TDI that the customer has took the head off without doing the top dead center and already broke one of the cam caps trying to install the cam
Hi there,
That's unfortunate to hear about the head and camshaft bearing caps!
The best advice I can give is to bring all the bearing caps down together. To reduce stress concentrations you need to take all the cap nuts down equally. I would not do more than like 1/4 turn on each at one time and cycle through all of them.
Let me know how you make out.
Thanks for the comment!
Greg
I have a stubborn cam sprocket on my VW T4 2.5 TDI... I tried removing the end cap as you do, but on mine the plastic cover stops you from removing the cap. There is no way to get the cover off without successfully removing the cam sprocket..
Hmm.. sounds like you may have to use a sprocket puller then if you cannot remove the bearing cap.
Will the plastic cover flex or bend enough to fit the cap out?
I would recommend you try a sprocket puller, or any two or three jaw puller (always pull on the centre hub of the sprocket though, never the outside), and just go slow and careful. It should not take much to pop it loose.
Best of luck!
Thanks,
Greg
@@GBProductions0 It looks different than on your engine and a jaw puller is impossible. I tried welding it on. I then drilled and tapped M8's right next to the shaft and use a puller for harmonic dampener to put the sprocket under tension and *then* giving it a whack as instructed. It worked... but now I need to install a new sprocket, new shaft seal, and to reseal the cap that I loosened.
Hmm, I guess Volkswagen must have a special tool for removing that sprocket, as they do with most things.
Looking at a picture of your sprocket online quickly, it looks like it would definitely be a low profile 2 or 3 jaw puller hooked in the weight reduction/balance holes in the web of the sprocket. Tension it up then whack it with a hammer.
You may be able to find one that would fit, or could also make something that would work for you for next time.
@@GBProductions0 The right tool is a 6 mm punch that you insert from behind through a hole in the cover. Using a puller through the holes would be difficult and there is no special VW puller made for this purpose, at least it is not listed as a T4 special tool at T4wiki. It worked great drilling and tapping the sprocket. Should have done that earlier as I have a spare engine.