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Go Back   TDIClub Forums > TDI Model Specific Discussions Areas > VW MKV-A5 Golf/Jettas

VW MKV-A5 Golf/Jettas Discussions area for A5/MkV Jetta/Golf (2005/2006 PD and 2009 CR).

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Old December 6th, 2018, 09:00   #16
alireza57
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Thanks my engine is bxe... Do they are different as it looks the same the1 in video? Another question while belts off and turn the crank quarter turn ccw to do injector adjustment by turning the cam with hub.. Does tandom pump have to fitted b4 adjustment or can fitted after the adjust the injector?

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And why do I get the noise sometime very clear and sometime very less sound like exhaust leak mostly louder in cold morning and less power but if is warmer day very less noise and no loss of power
Fire up with first start all the time and no smoke but mechanic reckon its the bad camshaft lifter


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Old December 6th, 2018, 09:06   #17
crazyrunner33
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If there's a small exhaust leak that disappears when it's warmer, it's due to the metal expanding and closing the gap on the leak. If you're losing power from an exhaust leak, it's likely between the turbo and head, possibly just loose manifold bolts.
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Old December 6th, 2018, 10:19   #18
Carlos_TJ
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The BXE is a "cousin" to the BRM. They share a lot of parts and procedures.
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Old December 6th, 2018, 14:30   #19
alireza57
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If there's a small exhaust leak that disappears when it's warmer, it's due to the metal expanding and closing the gap on the leak. If you're losing power from an exhaust leak, it's likely between the turbo and head, possibly just loose manifold bolts.
It's a same noise as manifold leak but the funny thing is It can be heard from air filter intake....
And very loudly if dismount the thick rubber pipe from egr valve!
How hard isit to torque the manifold bolts can it be done from the top or need to reach from underneath
I saw the black oil all over the back of the engine under the manifold could that be a reason?



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Old December 11th, 2018, 06:38   #20
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thank u for info
Hi thank u I follow up the instruction and fit new cam and lifter and bearing shell plus new bolts and I remove the tandem pump to replace the gasket witch I did but unfortunately when I torque the one of the small bolts broke I follow the torgue witch was 20nm as it was in a book it has 2 big bolt and 2 small bolts I didn't start the car yet as I going to replace the cambelt do u think isit going to leak?
With only 3 bolt on?

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Old December 11th, 2018, 06:53   #21
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Hi thank u I follow up the instruction and fit new cam and lifter and bearing shell plus new bolts and I remove the tandem pump to replace the gasket witch I did but unfortunately when I torque the one of the small bolts broke I follow the torgue witch was 20nm as it was in a book it has 2 big bolt and 2 small bolts I didn't start the car yet as I going to replace the cambelt do u think isit going to leak?
With only 3 bolt on?

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It has 2 big and 2 small bolts and it has only 1 torgue settings in the Haynes vw manual book!!!

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Old December 11th, 2018, 07:20   #22
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Yes, the tandem pump will likely leak with only three of the four mounting bolts installed. It would be wise to take the time to remove the broken bolt now and install the tandem pump properly. New bolts would seem in order as well.
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Old December 11th, 2018, 07:41   #23
alireza57
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Yes, the tandem pump will likely leak with only three of the four mounting bolts installed. It would be wise to take the time to remove the broken bolt now and install the tandem pump properly. New bolts would seem in order as well.
Do u know where can I get bolts
Or I have to order similar bolts


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Old December 11th, 2018, 08:14   #24
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Most TDI parts retailers probably have them, but here is one:
https://www.idparts.com/advanced_sea...ndem+pump+bolt
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Old December 12th, 2018, 06:58   #25
alireza57
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Most TDI parts retailers probably have them, but here is one:
https://www.idparts.com/advanced_sea...ndem+pump+bolt
Hi again yesterday install camshaft and do everything follow the instructions then today replace the cambelt and done everything correct as I know check the Tdc on crank and camshaft and lock them okay then unlock and do two full turn the engine with crank and check the Tdc and both did lock into the place but car don't start what could it be should lock the camshaft and loose the 3 bolt on Sprocket and move it a little and try to start again?
I check the tandem pump and didn't see any leak as I broke a bolt so don't think it anything to do with that
Did I do something wrong or the timing not corect

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Old December 12th, 2018, 07:28   #26
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probably keep cranking. Sometimes they can take a while to get reprimed.
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Old December 12th, 2018, 08:12   #27
mnbrown25
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Disconnect the injector harness plug (large round plug directly in front of the tandem pump) and crank the motor for a few 5-10 second sessions, then connect the injector harness and attempt to start. It is likely that you just don't have fuel primed to the injectors since you removed the tandem pump.
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Old December 12th, 2018, 09:33   #28
alireza57
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Disconnect the injector harness plug (large round plug directly in front of the tandem pump) and crank the motor for a few 5-10 second sessions, then connect the injector harness and attempt to start. It is likely that you just don't have fuel primed to the injectors since you removed the tandem pump.
Is there anyway I can check that with vcds while engine not starting
The crank sound normal no funny noise or bang or anything like that..
Is there anyway I damage the engine as I'm first timer?
I going to charge the battry over night as the charge gone.,I did it for 7 to 8 time with no luck ,
And try it in the morning with injector harness off
Thank u


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Old December 12th, 2018, 09:51   #29
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Not much VCDS can reliably tell you until you get the engine running, and I'm personally not sure disconnecting the injector harness helps much here... you want to know if it's firing.

Can you hear the in-tank fuel pump running for 5-10 seconds when you first turn the key to ON (may have to lift the back seat to hear it well)?

It's not uncommon for the in-tank pump to fail; the car will still run fine...for years...until the tandem pump loses prime for some reason.
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Old December 12th, 2018, 10:39   #30
alireza57
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Not much VCDS can reliably tell you until you get the engine running, and I'm personally not sure disconnecting the injector harness helps much here... you want to know if it's firing.

Can you hear the in-tank fuel pump running for 5-10 seconds when you first turn the key to ON (may have to lift the back seat to hear it well)?

It's not uncommon for the in-tank pump to fail; the car will still run fine...for years...until the tandem pump loses prime for some reason.
Car was fire up the first turn no issue at all till the camshaft and lifter start make the noise the first lifter has a hole in and worn on first lobe!!only bad1 the rest only spider web on lifter but cam fine
Always used 5w 30 high quality oil and service on time but this happened on 132k mile...
Anyway does tandem pump loosing its prime by only dismount from engine? Even with all pipe connected and not touched.....
This was a reason in first I didn't want to touch the tandem pump but I said well just let put new gasket on as it was in cambelt kit I already bought then on tighting and torque the bolts I strip 1 of the small bolt because of the wrong advice from book witch it say 20nm for bolts of tandem pump witch it suppose to be only for large bolts and 10nm the small bolts and here in UK it's very hard to find any online or ebay witch I manage to find some at the end of 20 contact I made then still waiting to come but with the crank the car earlier on didn't see any leak as it has only 3 bolt holding it on the place....

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