NP 229 QUESTIONS - '84 GW

[WINGO]

Just a couple of questions concerning the NP 229 on a '84 GW:

1- When engaged in 4 X 4 High and going around a turn a noise similiar to a chain slapping is heard. Is this normal or do I have to change or adjust the chain in the transfer case?

2- When the roads get a little rough (a lot of bouncing) the transfer case engagement lever (high to low) will disengage. What's the fix for this?

3- How nuch vac is needed to engage the front axel? How much vac is needed to maintain 4 X 4?

Thank you in advance for your assistance.


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WINGO
Vineland, NJ
USA
1984 GW 360

[Baker]

1. Replacing the chain NOW might save the case. Might.

2. Something must be loose or worn out.

3. Once it's in 4wd, it should stay on its own. I think the motors are supposed to hold 14" (IIRC; it's in the haynes manual)

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Baker
'84 Grand Wagoneer 360,727,229, 44 & 20 (3.31s), 30x9.5, stock springs